diff options
author | Ronald G. Minnich <rminnich@gmail.com> | 2014-10-06 15:30:37 +0000 |
---|---|---|
committer | Patrick Georgi <patrick@georgi-clan.de> | 2014-10-08 14:27:24 +0200 |
commit | 34fc4ab80b507739e2580d490dff67fcfdde11ea (patch) | |
tree | c3f28628ef1ec499a0a922f0e8c489620074c25d /util/mkelfImage/linux-i386 | |
parent | 076c317d479b701af1b1561d0cd53ec1102016aa (diff) |
mkelfimage: remove
It's not been needed for years, is definitely not needed now
that cbfstool parses bzImages, and its presence keeps confusing
people.
Also, rewrite history. We never mentioned mkelfimage in the
documentation. Never, ever, ever.
Change-Id: Id96a57906ba6a423b06a8f4140d2efde6f280d55
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: http://review.coreboot.org/7021
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <gaumless@gmail.com>
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Diffstat (limited to 'util/mkelfImage/linux-i386')
-rw-r--r-- | util/mkelfImage/linux-i386/Makefile | 35 | ||||
-rw-r--r-- | util/mkelfImage/linux-i386/convert.bin.c | 284 | ||||
-rw-r--r-- | util/mkelfImage/linux-i386/convert.h | 34 | ||||
-rw-r--r-- | util/mkelfImage/linux-i386/convert.lds | 36 | ||||
-rw-r--r-- | util/mkelfImage/linux-i386/convert_params.c | 1568 | ||||
-rw-r--r-- | util/mkelfImage/linux-i386/head.S | 581 | ||||
-rw-r--r-- | util/mkelfImage/linux-i386/mkelf-linux-i386.c | 466 | ||||
-rw-r--r-- | util/mkelfImage/linux-i386/uniform_boot.h | 67 | ||||
-rw-r--r-- | util/mkelfImage/linux-i386/x86-linux.h | 162 |
9 files changed, 0 insertions, 3233 deletions
diff --git a/util/mkelfImage/linux-i386/Makefile b/util/mkelfImage/linux-i386/Makefile deleted file mode 100644 index 51531d6f4b..0000000000 --- a/util/mkelfImage/linux-i386/Makefile +++ /dev/null @@ -1,35 +0,0 @@ -LI386_DIR:=linux-i386 -LI386_OBJ:=$(OBJDIR)/$(LI386_DIR) -LI386_DEP=Makefile Makefile.conf $(LI386_DIR)/Makefile - -$(LI386_OBJ)/mkelf-linux-i386.o: $(LI386_DIR)/mkelf-linux-i386.c $(LI386_DIR)/convert.bin.c $(LI386_DEP) - $(MKDIR) -p $(@D) - $(HOST_CC) $(HOST_CFLAGS) -c -g $< -o $@ - - -ifdef I386_CC - -$(LI386_DIR)/convert.bin.c: $(LI386_OBJ)/convert.bin $(OBJDIR)/bin/bin-to-hex $(LI386_DEP) - $(MKDIR) -p $(@D) - $(OBJDIR)/bin/bin-to-hex < $(LI386_OBJ)/convert.bin > $@ - -$(LI386_OBJ)/convert.bin: $(LI386_OBJ)/convert $(LI386_DEP) - $(MKDIR) -p $(@D) - $(I386_OBJCOPY) -O binary $< $@ - -CONVERT_LI386_OBJS=$(LI386_OBJ)/head.o $(LI386_OBJ)/convert_params.o - -$(LI386_OBJ)/convert: $(LI386_DIR)/convert.lds $(CONVERT_LI386_OBJS) $(LI386_DEP) - $(MKDIR) -p $(@D) - $(I386_LD) $(I386_LDFLAGS) -T $(LI386_DIR)/convert.lds -o $@ $(CONVERT_LI386_OBJS) - -$(LI386_OBJ)/head.o: $(LI386_DIR)/head.S $(LI386_DIR)/convert.h - $(MKDIR) -p $(@D) - $(I386_CPP) $(I386_CPPFLAGS) -DASSEMBLY $< | $(I386_AS) $(I386_ASFLAGS) -o $@ - -$(LI386_OBJ)/convert_params.o: $(LI386_DIR)/convert_params.c $(LI386_DIR)/convert.h $(LI386_DEP) - $(MKDIR) -p $(@D) - $(I386_CC) $(I386_CFLAGS) -c -o $@ $< - -endif - diff --git a/util/mkelfImage/linux-i386/convert.bin.c b/util/mkelfImage/linux-i386/convert.bin.c deleted file mode 100644 index 7cf0eb5e72..0000000000 --- a/util/mkelfImage/linux-i386/convert.bin.c +++ /dev/null @@ -1,284 +0,0 @@ -0xfc, 0xfa, 0xa3, 0xee, 0x01, 0x01, 0x00, 0x89, 0x1d, 0xf2, 0x01, 0x01, 0x00, 0x83, 0xfc, 0x00, -0x74, 0x09, 0x8b, 0x44, 0x24, 0x04, 0xa3, 0xf6, 0x01, 0x01, 0x00, 0x8b, 0x25, 0x8c, 0x10, 0x01, -0x00, 0x6a, 0x00, 0x9d, 0x31, 0xc0, 0xbf, 0xbc, 0x11, 0x01, 0x00, 0xb9, 0x44, 0x54, 0x01, 0x00, -0x29, 0xf9, 0xfc, 0xf3, 0xaa, 0xbe, 0x0c, 0x02, 0x01, 0x00, 0xbf, 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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, -0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, diff --git a/util/mkelfImage/linux-i386/convert.h b/util/mkelfImage/linux-i386/convert.h deleted file mode 100644 index de2c11ee04..0000000000 --- a/util/mkelfImage/linux-i386/convert.h +++ /dev/null @@ -1,34 +0,0 @@ - -/* Hard coded locations */ -#define CONVERTLOC 0x10000 -#define REAL_MODE_DATA_LOC 0x20000 -#define GDTLOC 0x21000 -#define GDT64LOC 0x22000 -#define PGTLOC 0x23000 - -#define DEFAULT_ROOT_DEV ((0x3<<8)| 0) - -#define CMDLINE_MAX 256 - -#ifdef ASSEMBLY -#define CONVERT_MAGIC 0xA5A5A5A5 -#else -#define CONVERT_MAGIC 0xA5A5A5A5UL -#endif - -#ifndef ASSEMBLY -struct image_parameters { - uint32_t convert_magic; /* a signature to verify mkelfImage was built properly */ - uint32_t gdt_size; - uint32_t gdt64_size; - uint32_t pgt_size; - uint32_t bss_size; - uint16_t ramdisk_flags; - uint16_t root_dev; - uint32_t entry; - uint32_t switch_64; - uint32_t initrd_start; - uint32_t initrd_size; - uint8_t cmdline[CMDLINE_MAX]; -}; -#endif diff --git a/util/mkelfImage/linux-i386/convert.lds b/util/mkelfImage/linux-i386/convert.lds deleted file mode 100644 index 59cd714aa6..0000000000 --- a/util/mkelfImage/linux-i386/convert.lds +++ /dev/null @@ -1,36 +0,0 @@ -OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386") -OUTPUT_ARCH(i386) - - -ENTRY(startup_32) -SECTIONS -{ - . = 0x10000; - _text = .; /* Text and read-only data */ - .text . : { - *(.text) - *(.text.*) - } = 0x9090 - .rodata (.): { - *(.rodata) - *(.rodata.*) - } - _etext = .; /* End of text section */ - .data (.): { /* Data */ - *(.data) - *(.data.*) - *(.trailer) - } - _edata = .; /* End of data section */ - _bss = .; /* BSS */ - .bss (.): { - *(.bss) - } - _end = . ; - bss_sizex = _end - _bss; - - /DISCARD/ : { - *(.comment) - *(.note) - } -} diff --git a/util/mkelfImage/linux-i386/convert_params.c b/util/mkelfImage/linux-i386/convert_params.c deleted file mode 100644 index f39e8e027c..0000000000 --- a/util/mkelfImage/linux-i386/convert_params.c +++ /dev/null @@ -1,1568 +0,0 @@ -#include <stdarg.h> -#include <limits.h> -#include "arch/io.h" -#include "stdint.h" -#include "uniform_boot.h" -#include "linuxbios_tables.h" -#include "elf_boot.h" -#include "convert.h" -#define STACK_SIZE (4096) - -#define __unused __attribute__ ((unused)) - -long user_stack [STACK_SIZE] = { 0 }; - -unsigned long * stack_start = & user_stack[STACK_SIZE]; - -/* FIXME expand on drive_info_)struct... */ -struct drive_info_struct { - uint8_t dummy[32]; -}; -struct sys_desc_table { - uint16_t length; - uint8_t table[318]; -}; - -/* - * These are set up by the setup-routine at boot-time: - */ - -struct screen_info { - uint8_t orig_x; /* 0x00 */ - uint8_t orig_y; /* 0x01 */ - uint16_t dontuse1; /* 0x02 -- EXT_MEM_K sits here */ - uint16_t orig_video_page; /* 0x04 */ - uint8_t orig_video_mode; /* 0x06 */ - uint8_t orig_video_cols; /* 0x07 */ - uint16_t unused2; /* 0x08 */ - uint16_t orig_video_ega_bx; /* 0x0a */ - uint16_t unused3; /* 0x0c */ - uint8_t orig_video_lines; /* 0x0e */ - uint8_t orig_video_isVGA; /* 0x0f */ - uint16_t orig_video_points; /* 0x10 */ - - /* VESA graphic mode -- linear frame buffer */ - uint16_t lfb_width; /* 0x12 */ - uint16_t lfb_height; /* 0x14 */ - uint16_t lfb_depth; /* 0x16 */ - uint32_t lfb_base; /* 0x18 */ - uint32_t lfb_size; /* 0x1c */ - uint16_t dontuse2, dontuse3; /* 0x20 -- CL_MAGIC and CL_OFFSET here */ - uint16_t lfb_linelength; /* 0x24 */ - uint8_t red_size; /* 0x26 */ - uint8_t red_pos; /* 0x27 */ - uint8_t green_size; /* 0x28 */ - uint8_t green_pos; /* 0x29 */ - uint8_t blue_size; /* 0x2a */ - uint8_t blue_pos; /* 0x2b */ - uint8_t rsvd_size; /* 0x2c */ - uint8_t rsvd_pos; /* 0x2d */ - uint16_t vesapm_seg; /* 0x2e */ - uint16_t vesapm_off; /* 0x30 */ - uint16_t pages; /* 0x32 */ -}; - - -#define PAGE_SIZE 4096 - - -#define E820MAP 0x2d0 /* our map */ -#define E820MAX 32 /* number of entries in E820MAP */ -#define E820NR 0x1e8 /* # entries in E820MAP */ - - -struct e820entry { - unsigned long long addr; /* start of memory segment */ - unsigned long long size; /* size of memory segment */ - unsigned long type; /* type of memory segment */ -#define E820_RAM 1 -#define E820_RESERVED 2 -#define E820_ACPI 3 /* usable as RAM once ACPI tables have been read */ -#define E820_NVS 4 -}; - -struct e820map { - int nr_map; - struct e820entry map[E820MAX]; -}; - - -struct apm_bios_info { - uint16_t version; /* 0x40 */ - uint16_t cseg; /* 0x42 */ - uint32_t offset; /* 0x44 */ - uint16_t cseg_16; /* 0x48 */ - uint16_t dseg; /* 0x4a */ - uint16_t flags; /* 0x4c */ - uint16_t cseg_len; /* 0x4e */ - uint16_t cseg_16_len; /* 0x50 */ - uint16_t dseg_len; /* 0x52 */ - uint8_t reserved[44]; /* 0x54 */ -}; - - -struct parameters { - uint8_t orig_x; /* 0x00 */ - uint8_t orig_y; /* 0x01 */ - uint16_t ext_mem_k; /* 0x02 -- EXT_MEM_K sits here */ - uint16_t orig_video_page; /* 0x04 */ - uint8_t orig_video_mode; /* 0x06 */ - uint8_t orig_video_cols; /* 0x07 */ - uint16_t unused2; /* 0x08 */ - uint16_t orig_video_ega_bx; /* 0x0a */ - uint16_t unused3; /* 0x0c */ - uint8_t orig_video_lines; /* 0x0e */ - uint8_t orig_video_isVGA; /* 0x0f */ - uint16_t orig_video_points; /* 0x10 */ - - /* VESA graphic mode -- linear frame buffer */ - uint16_t lfb_width; /* 0x12 */ - uint16_t lfb_height; /* 0x14 */ - uint16_t lfb_depth; /* 0x16 */ - uint32_t lfb_base; /* 0x18 */ - uint32_t lfb_size; /* 0x1c */ - uint16_t cl_magic; /* 0x20 */ -#define CL_MAGIC_VALUE 0xA33F - uint16_t cl_offset; /* 0x22 */ - uint16_t lfb_linelength; /* 0x24 */ - uint8_t red_size; /* 0x26 */ - uint8_t red_pos; /* 0x27 */ - uint8_t green_size; /* 0x28 */ - uint8_t green_pos; /* 0x29 */ - uint8_t blue_size; /* 0x2a */ - uint8_t blue_pos; /* 0x2b */ - uint8_t rsvd_size; /* 0x2c */ - uint8_t rsvd_pos; /* 0x2d */ - uint16_t vesapm_seg; /* 0x2e */ - uint16_t vesapm_off; /* 0x30 */ - uint16_t pages; /* 0x32 */ - uint8_t reserved4[12]; /* 0x34 -- 0x3f reserved for future expansion */ - - struct apm_bios_info apm_bios_info; /* 0x40 */ - struct drive_info_struct drive_info; /* 0x80 */ - struct sys_desc_table sys_desc_table; /* 0xa0 */ - uint32_t alt_mem_k; /* 0x1e0 */ - uint8_t reserved5[4]; /* 0x1e4 */ - uint8_t e820_map_nr; /* 0x1e8 */ - uint8_t reserved6[9]; /* 0x1e9 */ - uint16_t mount_root_rdonly; /* 0x1f2 */ - uint8_t reserved7[4]; /* 0x1f4 */ - uint16_t ramdisk_flags; /* 0x1f8 */ -#define RAMDISK_IMAGE_START_MASK 0x07FF -#define RAMDISK_PROMPT_FLAG 0x8000 -#define RAMDISK_LOAD_FLAG 0x4000 - uint8_t reserved8[2]; /* 0x1fa */ - uint16_t orig_root_dev; /* 0x1fc */ - uint8_t reserved9[1]; /* 0x1fe */ - uint8_t aux_device_info; /* 0x1ff */ - uint8_t reserved10[2]; /* 0x200 */ - uint8_t param_block_signature[4]; /* 0x202 */ - uint16_t param_block_version; /* 0x206 */ - uint8_t reserved11[8]; /* 0x208 */ - uint8_t loader_type; /* 0x210 */ -#define LOADER_TYPE_LOADLIN 1 -#define LOADER_TYPE_BOOTSECT_LOADER 2 -#define LOADER_TYPE_SYSLINUX 3 -#define LOADER_TYPE_ETHERBOOT 4 -#define LOADER_TYPE_KERNEL 5 - uint8_t loader_flags; /* 0x211 */ - uint8_t reserved12[2]; /* 0x212 */ - uint32_t kernel_start; /* 0x214 */ - uint32_t initrd_start; /* 0x218 */ - uint32_t initrd_size; /* 0x21c */ - uint8_t reserved13[4]; /* 0x220 */ - /* 2.01+ */ - uint16_t heap_end_ptr; /* 0x224 */ - uint8_t reserved14[2]; /* 0x226 */ - /* 2.02+ */ - uint32_t cmd_line_ptr; /* 0x228 */ - /* 2.03+ */ - uint32_t initrd_addr_max; /* 0x22c */ - /* 2.05+ */ - uint32_t kernel_alignment; /* 0x230 */ - uint8_t relocateable_kernel; /* 0x234 */ - uint8_t reserved15[0x2d0 - 0x235]; /* 0x235 */ - - struct e820entry e820_map[E820MAX]; /* 0x2d0 */ - uint8_t reserved16[688]; /* 0x550 */ -#define COMMAND_LINE_SIZE 256 - uint8_t command_line[COMMAND_LINE_SIZE]; /* 0x800 */ - uint8_t reserved17[1792]; /* 0x900 - 0x1000 */ -}; - -/* Keep track of which information I need to acquire. */ -struct param_info { - unsigned type; - void *data; - Elf_Bhdr *param; - struct image_parameters *image; - struct parameters *real_mode; - /* bootloader type */ - int has_multiboot; - int has_uniform_boot; - int has_elf_boot; - /* firmware type */ - int has_pcbios; - int has_linuxbios; - struct lb_header *lb_table; - /* machine information needed */ - int need_mem_sizes; -}; -/* - * This is set up by the setup-routine at boot-time - */ - - -#undef memcmp -#undef memset -#undef memcpy -#define memzero(s, n) memset ((s), 0, (n)) - - -/* FIXME handle systems with large EBDA's */ -static struct parameters *faked_real_mode = (void *)REAL_MODE_DATA_LOC; - - - -/* - * Output - * ============================================================================= - */ - -/* Base Address */ -#define TTYS0 0x3f8 -#define TTYS0_LSR (TTYS0+0x05) -#define TTYS0_TBR (TTYS0+0x00) - -static void ttys0_tx_byte(unsigned byte) -{ - /* Wait until I can send a byte */ - while((inb(TTYS0_LSR) & 0x20) == 0) - ; - outb(byte, TTYS0_TBR); - /* Wait until the byte is transmitted */ - while(!(inb(TTYS0_LSR) & 0x40)) - ; -} -static void put_char_serial(int c) -{ - if (c == '\n') { - ttys0_tx_byte('\r'); - } - ttys0_tx_byte(c); -} - -static void putchar(int c) -{ -#if 0 - put_char_video(c); -#endif - put_char_serial(c); -} - -#define LONG_LONG_SHIFT ((int)((sizeof(unsigned long long)*CHAR_BIT) - 4)) -#define LONG_SHIFT ((int)((sizeof(unsigned long)*CHAR_BIT) - 4)) -#define INT_SHIFT ((int)((sizeof(unsigned int)*CHAR_BIT) - 4)) -#define SHRT_SHIFT ((int)((sizeof(unsigned short)*CHAR_BIT) - 4)) -#define CHAR_SHIFT ((int)((sizeof(unsigned char)*CHAR_BIT) - 4)) - -/************************************************************************** -PRINTF and friends - - Formats: - %x - 4 bytes int (8 hex digits, lower case) - %X - 4 bytes int (8 hex digits, upper case) - %lx - 8 bytes long (16 hex digits, lower case) - %lX - 8 bytes long (16 hex digits, upper case) - %hx - 2 bytes int (4 hex digits, lower case) - %hX - 2 bytes int (4 hex digits, upper case) - %hhx - 1 byte int (2 hex digits, lower case) - %hhX - 1 byte int (2 hex digits, upper case) - - optional # prefixes 0x or 0X - %d - decimal int - %c - char - %s - string - Note: width specification not supported -**************************************************************************/ -static void printf(const char *fmt, ...) -{ - va_list args; - char *p; - va_start(args, fmt); - for ( ; *fmt != '\0'; ++fmt) { - if (*fmt != '%') { - putchar(*fmt); - continue; - } - if (*++fmt == 's') { - for(p = va_arg(args, char *); *p != '\0'; p++) - putchar(*p); - } - else { /* Length of item is bounded */ - char tmp[40], *q = tmp; - int shift = INT_SHIFT; - if (*fmt == 'L') { - shift = LONG_LONG_SHIFT; - fmt++; - } - else if (*fmt == 'l') { - shift = LONG_SHIFT; - fmt++; - } - else if (*fmt == 'h') { - shift = SHRT_SHIFT; - fmt++; - if (*fmt == 'h') { - shift = CHAR_SHIFT; - fmt++; - } - } - - /* - * Before each format q points to tmp buffer - * After each format q points past end of item - */ - if ((*fmt | 0x20) == 'x') { - /* With x86 gcc, sizeof(long) == sizeof(int) */ - unsigned long long h; - int ncase; - if (shift > LONG_SHIFT) { - h = va_arg(args, unsigned long long); - } - else if (shift > INT_SHIFT) { - h = va_arg(args, unsigned long); - } else { - h = va_arg(args, unsigned int); - } - ncase = (*fmt & 0x20); - for ( ; shift >= 0; shift -= 4) - *q++ = "0123456789ABCDEF"[(h >> shift) & 0xF] | ncase; - } - else if (*fmt == 'd') { - char *r; - long i; - if (shift > LONG_SHIFT) { - i = va_arg(args, long long); - } - else if (shift > INT_SHIFT) { - i = va_arg(args, long); - } else { - i = va_arg(args, int); - } - if (i < 0) { - *q++ = '-'; - i = -i; - } - p = q; /* save beginning of digits */ - do { - *q++ = '0' + (i % 10); - i /= 10; - } while (i); - /* reverse digits, stop in middle */ - r = q; /* don't alter q */ - while (--r > p) { - i = *r; - *r = *p; - *p++ = i; - } - } - else if (*fmt == 'c') - *q++ = va_arg(args, int); - else - *q++ = *fmt; - /* now output the saved string */ - for (p = tmp; p < q; ++p) - putchar(*p); - } - } - va_end(args); -} - -/* - * String Functions - * ============================================================================= - */ - - -size_t strnlen(const char *s, size_t max) -{ - size_t len = 0; - while(len < max && *s) { - len++; - s++; - } - return len; -} - -void* memset(void* s, int c, size_t n) -{ - size_t i; - char *ss = (char*)s; - - for (i=0;i<n;i++) ss[i] = c; - return s; -} - -void* memcpy(void *dest, const void *src, size_t len) -{ - size_t i; - unsigned char *d; - const unsigned char *s; - d = dest; - s = src; - - for (i=0; i < len; i++) - d[i] = s[i]; - - return dest; -} - -int memcmp(void *src1, void *src2, size_t len) -{ - unsigned char *s1, *s2; - size_t i; - s1 = src1; - s2 = src2; - for(i = 0; i < len; i++) { - if (*s1 != *s2) { - return *s2 - *s1; - } - } - return 0; - -} - -/* - * Checksum functions - * ============================================================================= - */ - - -static unsigned long checksum_partial(unsigned long sum, - void *addr, unsigned long length) -{ - uint8_t *ptr; - volatile union { - uint8_t byte[2]; - uint16_t word; - } value; - unsigned long i; - /* In the most straight forward way possible, - * compute an ip style checksum. - */ - sum = 0; - ptr = addr; - for(i = 0; i < length; i++) { - unsigned long value; - value = ptr[i]; - if (i & 1) { - value <<= 8; - } - /* Add the new value */ - sum += value; - /* Wrap around the carry */ - if (sum > 0xFFFF) { - sum = (sum + (sum >> 16)) & 0xFFFF; - } - } - value.byte[0] = sum & 0xff; - value.byte[1] = (sum >> 8) & 0xff; - return value.word & 0xFFFF; - -} - -static unsigned long checksum_final(unsigned long partial) -{ - return (~partial) & 0xFFFF; -} - -static unsigned long compute_checksum(void *vaddr, unsigned long length) -{ - return checksum_final(checksum_partial(0, vaddr, length)); -} - -/* - * Helper functions - * ============================================================================= - */ - - -void append_command_line(struct parameters *real_mode, char *arg, int arg_bytes) -{ - int len, max; - char *dest; - /* skip over what has already been set */ - len = strnlen(real_mode->command_line, sizeof(real_mode->command_line)); - dest = real_mode->command_line + len; - max = sizeof(real_mode->command_line) - 1; - if (max < 1) { - /* No room to append anything :( */ - return; - } - /* Add a space in between strings */ - *dest++ = ' '; - /* Append the added command line */ - max = sizeof(real_mode->command_line) - 1; - if (max > arg_bytes) { - max = arg_bytes; - } - len = strnlen(arg, max); - memcpy(dest, arg, len); - dest += len; - /* Null terminate the string */ - *dest++ = '\0'; -} - -static void set_memsize_k(struct parameters *real_mode, unsigned long mem_k) -{ - /* ALT_MEM_K maxes out at 4GB */ - if (mem_k > 0x3fffff) { - mem_k = 0x3fffff; - } - if (mem_k > (real_mode->alt_mem_k + (1 << 10))) { - /* Use our memory size less 1M */ - real_mode->alt_mem_k = mem_k - (1 << 10); - real_mode->ext_mem_k = mem_k - (1 << 10); - if ((mem_k - (1 << 10)) > 0xFFFF) { - real_mode->ext_mem_k = 0xFC00; /* 64 M */ - } - } -} - -static void add_e820_map(struct parameters *real_mode, - unsigned long long addr, unsigned long long size, - unsigned long type) -{ - unsigned long long high; - unsigned long mem_k; - int i; - i = real_mode->e820_map_nr; - if (i < E820MAX) { - real_mode->e820_map[i].addr = addr; - real_mode->e820_map[i].size = size; - real_mode->e820_map[i].type = type; - real_mode->e820_map_nr++; - } - /* policy I assume that for the legacy memory - * variables memory is contiguous. - */ - if (type == E820_RAM) { - high = addr + size; - if (high >= 0x40000000000ULL) { - mem_k = 0xFFFFFFFF; - } else { - mem_k = high >> 10; - } - set_memsize_k(real_mode, mem_k); - } -} - -/* - * Multiboot - * ============================================================================= - */ - -#define MULTI_MEM_DEBUG 0 -#if MULTI_MEM_DEBUG -#define multi_puts(x) printf("%s", x) -#define multi_put_hex(x) printf("%x", x) -#define multi_put_lhex(x) printf("%Lx", x) -#else -#define multi_puts(x) -#define multi_put_hex(x) -#define multi_put_lhex(x) -#endif /* MULTI_MEM_DEBUG */ - -/* Multiboot Specification */ -struct multiboot_mods { - unsigned mod_start; - unsigned mod_end; - unsigned char *string; - unsigned reserved; -}; - -struct memory_segment { - unsigned long long addr; - unsigned long long size; - unsigned type; -}; - -struct multiboot_info { - unsigned flags; -#define MULTIBOOT_MEM_VALID 0x01 -#define MULTIBOOT_BOOT_DEV_VALID 0x02 -#define MULTIBOOT_CMDLINE_VALID 0x04 -#define MULTIBOOT_MODS_VALID 0x08 -#define MULTIBOOT_AOUT_SYMS_VALID 0x10 -#define MULTIBOOT_ELF_SYMS_VALID 0x20 -#define MULTIBOOT_MMAP_VALID 0x40 - unsigned mem_lower; - unsigned mem_upper; - unsigned char boot_device[4]; - void *command_line; - unsigned mods_count; - struct multiboot_mods *mods_addr; - unsigned syms_num; - unsigned syms_size; - unsigned syms_addr; - unsigned syms_shndx; - unsigned mmap_length; - struct memory_segment *mmap_addr; -}; - -#define MULTIBOOT_MAX_COMMAND_LINE 0xFFFFFFFF - -static void convert_multiboot_memmap( - struct parameters *real_mode, - struct multiboot_info *info) -{ - unsigned size; - unsigned *size_addr; -#define next_seg(seg, size) ((struct memory_segment *)((char *)(seg) + (size))) - struct memory_segment *seg, *end; - - seg = info->mmap_addr; - end = (void *)(((char *)seg) + info->mmap_length); - size_addr = (unsigned *)(((char *)seg) - 4); - size = *size_addr; - multi_puts("mmap_addr: "); multi_put_hex((unsigned)info->mmap_addr); multi_puts("\n"); - multi_puts("mmap_length: "); multi_put_hex(info->mmap_length); multi_puts("\n"); - multi_puts("size_addr: "); multi_put_hex((unsigned)size_addr); multi_puts("\n"); - multi_puts("size: "); multi_put_hex(size); multi_puts("\n"); - multi_puts("end: "); multi_put_hex((unsigned)end); multi_puts("\n"); - for(seg = info->mmap_addr; (seg < end); seg = next_seg(seg,size)) { - multi_puts("multi-mem: "); - multi_put_lhex(seg->size); - multi_puts(" @ "); - multi_put_lhex(seg->addr); - multi_puts(" ("); - switch(seg->type) { - case E820_RAM: - multi_puts("ram"); - break; - case E820_ACPI: - multi_puts("ACPI data"); - break; - case E820_NVS: - multi_puts("ACPI NVS"); - break; - case E820_RESERVED: - default: - multi_puts("reserved"); - break; - } - multi_puts(")\n"); - add_e820_map(real_mode, seg->addr, seg->size, seg->type); - } -#undef next_seg -} - -static void convert_multiboot( - struct param_info *info, struct multiboot_info *mb_info) -{ - if (info->need_mem_sizes && (mb_info->flags & MULTIBOOT_MEM_VALID)) { - /* info->memory is short 1M */ - set_memsize_k(info->real_mode, mb_info->mem_upper + (1 << 10)); - } - if (mb_info->flags & MULTIBOOT_CMDLINE_VALID) { - append_command_line(info->real_mode, mb_info->command_line, - MULTIBOOT_MAX_COMMAND_LINE); - } - if (info->need_mem_sizes && (mb_info->flags & MULTIBOOT_MMAP_VALID)) { - convert_multiboot_memmap(info->real_mode, mb_info); - } - if (mb_info->flags & (MULTIBOOT_MEM_VALID | MULTIBOOT_MMAP_VALID)) { - info->need_mem_sizes = 0; - } -} - - -/* - * Uniform Boot Environment - * ============================================================================= - */ - -#define UBE_MEM_DEBUG 0 -#if UBE_MEM_DEBUG -#define ube_puts(x) printf("%s", x) -#define ube_put_hex(x) printf("%x", x) -#define ube_put_lhex(x) printf("%Lx", x) -#else -#define ube_puts(x) -#define ube_put_hex(x) -#define ube_put_lhex(x) -#endif /* UBE_MEM_DEBUG */ -static void convert_uniform_boot_memory( - struct parameters *real_mode, struct ube_memory *mem) -{ - int i; - int entries; - unsigned long mem_k; - mem_k = 0; - entries = (mem->size - sizeof(*mem))/sizeof(mem->map[0]); - for(i = 0; (i < entries) && (i < E820MAX); i++) { - unsigned long type; - ube_puts("ube-mem: "); - ube_put_lhex(mem->map[i].size); - ube_puts(" @ "); - ube_put_lhex(mem->map[i].start); - ube_puts(" ("); - switch(mem->map[i].type) { - case UBE_MEM_RAM: - type = E820_RAM; - ube_puts("ram"); - break; - case UBE_MEM_ACPI: - type = E820_ACPI; - ube_puts("ACPI data"); - break; - case UBE_MEM_NVS: - type = E820_NVS; - ube_puts("ACPI NVS"); - break; - case UBE_MEM_RESERVED: - default: - type = E820_RESERVED; - ube_puts("reserved"); - break; - } - ube_puts(")\n"); - add_e820_map(real_mode, - mem->map[i].start, mem->map[i].size, type); - } -} - -static void convert_uniform_boot(struct param_info *info, - struct uniform_boot_header *header) -{ - /* Uniform boot environment */ - unsigned long env_bytes; - char *env; - if (header->arg_bytes) { - append_command_line(info->real_mode, (void *)(header->arg), header->arg_bytes); - } - env = (void *)(header->env); - env_bytes = header->env_bytes; - while(env_bytes) { - struct ube_record *record; - record = (void *)env; - if (record->tag == UBE_TAG_MEMORY) { - if (info->need_mem_sizes) { - convert_uniform_boot_memory(info->real_mode, (void *)record); - info->need_mem_sizes = 0; - } - } - env += record->size; - env_bytes -= record->size; - } -} - - - - -/* - * Hardware - * ============================================================================= - */ - -/* we're getting screwed again and again by this problem of the 8259. - * so we're going to leave this lying around for inclusion into - * crt0.S on an as-needed basis. - * well, that went ok, I hope. Now we have to reprogram the interrupts :-( - * we put them right after the intel-reserved hardware interrupts, at - * int 0x20-0x2F. There they won't mess up anything. Sadly IBM really - * messed this up with the original PC, and they haven't been able to - * rectify it afterwards. Thus the bios puts interrupts at 0x08-0x0f, - * which is used for the internal hardware interrupts as well. We just - * have to reprogram the 8259's, and it isn't fun. - */ - -static void setup_i8259(void) -{ - outb(0x11, 0x20); /*! initialization sequence to 8259A-1*/ - outb(0x11, 0xA0); /*! and to 8259A-2*/ - - outb(0x20, 0x21); /*! start of hardware int's (0x20)*/ - outb(0x28, 0xA1); /*! start of hardware int's 2 (0x28)*/ - - outb(0x04, 0x21); /*! 8259-1 is master*/ - outb(0x02, 0xA1); /*! 8259-2 is slave*/ - - outb(0x01, 0x21); /*! 8086 mode for both*/ - outb(0x01, 0xA1); - - outb(0xFF, 0xA1); /*! mask off all interrupts for now*/ - outb(0xFB, 0x21); /*! mask all irq's but irq2 which is cascaded*/ -} - -static void hardware_setup(struct param_info *info __unused) -{ - /* Disable nmi */ - outb(0x80, 0x70); - - /* Make sure any coprocessor is properly reset.. */ - outb(0, 0xf0); - outb(0, 0xf1); - - setup_i8259(); -} - - -/* - * ELF Boot loader - * ============================================================================= - */ - -static int count_elf_notes(Elf_Bhdr *bhdr) -{ - unsigned char *note, *end; - int count; - count = 0; - note = ((char *)bhdr) + sizeof(*bhdr); - end = ((char *)bhdr) + bhdr->b_size; -#if 0 - printf("count_elf_notes %lx\n", (unsigned long)bhdr); -#endif - while (note < end) { - Elf_Nhdr *hdr; - unsigned char *n_name, *n_desc, *next; - hdr = (Elf_Nhdr *)note; - n_name = note + sizeof(*hdr); - n_desc = n_name + ((hdr->n_namesz + 3) & ~3); - next = n_desc + ((hdr->n_descsz + 3) & ~3); -#if 0 - printf("elf_note = %lx\n", (unsigned long)note); - printf("elf_namesz = %x\n", hdr->n_namesz); - printf("elf_descsz = %x\n", hdr->n_descsz); - printf("elf_type = %x\n", hdr->n_type); - printf("elf_name = %lx\n", (unsigned long)n_name); - printf("elf_desc = %lx\n", (unsigned long)n_desc); -#endif - if (next > end) - break; - count++; - note = next; - } - return count; -} - -static Elf_Nhdr *find_elf_note(Elf_Bhdr *bhdr, - Elf_Word namesz, unsigned char *name, Elf_Word type) -{ - unsigned char *note, *end; - note = ((char *)bhdr) + sizeof(*bhdr); - end = ((char *)bhdr) + bhdr->b_size; - while(note < end) { - Elf_Nhdr *hdr; - unsigned char *n_name, *n_desc, *next; - hdr = (Elf_Nhdr *)note; - n_name = note + sizeof(*hdr); - n_desc = n_name + ((hdr->n_namesz + 3) & ~3); - next = n_desc + ((hdr->n_descsz + 3) & ~3); - if (next > end) - break; - if ((hdr->n_type == type) && - (hdr->n_namesz == namesz) && - (memcmp(n_name, name, namesz) == 0)) { - return hdr; - } - note = next; - } - return 0; -} - -static void convert_elf_command_line(struct param_info *info, - Elf_Word descsz, unsigned char *desc) -{ - append_command_line(info->real_mode, desc, descsz); -} - -struct { - Elf_Word namesz; - unsigned char *name; - Elf_Word type; - void (*convert)(struct param_info *info, Elf_Word descsz, unsigned char *desc); -} elf_notes[] = -{ - { 0, "", EBN_COMMAND_LINE, convert_elf_command_line }, -}; - -static void convert_elf_boot(struct param_info *info, Elf_Bhdr *bhdr) -{ - unsigned char *note, *end; - note = ((char *)bhdr) + sizeof(*bhdr); - end = ((char *)bhdr) + bhdr->b_size; - while(note < end) { - Elf_Nhdr *hdr; - unsigned char *n_name, *n_desc, *next; - size_t i; - hdr = (Elf_Nhdr *)note; - n_name = note + sizeof(*hdr); - n_desc = n_name + ((hdr->n_namesz + 3) & ~3); - next = n_desc + ((hdr->n_descsz + 3) & ~3); - if (next > end) - break; - for(i = 0; i < sizeof(elf_notes)/sizeof(elf_notes[0]); i++) { - if ((hdr->n_type == elf_notes[i].type) && - (hdr->n_namesz == elf_notes[i].namesz) && - (memcmp(n_name, elf_notes[i].name, elf_notes[i].namesz) == 0)) { - elf_notes[i].convert(info, hdr->n_descsz, n_desc); - break; - } - } - note = next; - } -} - -/* - * LinuxBIOS - * ============================================================================= - */ - -#define LB_MEM_DEBUG 0 -#if LB_MEM_DEBUG -#define lb_puts(x) printf("%s", x) -#define lb_put_hex(x) printf("%x", x) -#define lb_put_lhex(x) printf("%Lx", x) -#else -#define lb_puts(x) -#define lb_put_hex(x) -#define lb_put_lhex(x) -#endif /* LB_MEM_DEBUG */ - -static unsigned count_lb_records(void *start, unsigned long length) -{ - struct lb_record *rec; - void *end; - unsigned count; - count = 0; - end = ((char *)start) + length; - for(rec = start; ((void *)rec < end) && - (rec->size <= (unsigned long)(end - (void *)rec)); - rec = (void *)(((char *)rec) + rec->size)) { - count++; - } - return count; -} - -static struct lb_header *__find_lb_table(void *start, void *end) -{ - unsigned char *ptr; - /* For now be stupid.... */ - for(ptr = start; (void *)ptr < end; ptr += 16) { - struct lb_header *head = (void *)ptr; - if ((head->signature[0] == 'L') && - (head->signature[1] == 'B') && - (head->signature[2] == 'I') && - (head->signature[3] == 'O') && - (head->header_bytes == sizeof(*head)) && - (compute_checksum(head, sizeof(*head)) == 0) && - (compute_checksum(ptr + sizeof(*head), head->table_bytes) == - head->table_checksum) && - (count_lb_records(ptr + sizeof(*head), head->table_bytes) == - head->table_entries) - ) { - return head; - } - }; - return 0; -} - -static int find_lb_table(struct param_info *info) -{ - struct lb_header *head; - head = 0; - if (!head) { - /* First try at address 0 */ - head = __find_lb_table((void *)0x00000, (void *)0x1000); - } - if (!head) { - /* Then try at address 0xf0000 */ - head = __find_lb_table((void *)0xf0000, (void *)0x100000); - } - if (head) { - struct lb_forward *forward = (struct lb_forward *)(((char *)head) + head->header_bytes); - if (forward->tag == LB_TAG_FORWARD) { - head = __find_lb_table(forward->forward, - forward->forward + 0x1000); - } - } - if (head) { - info->has_linuxbios = 1; - info->lb_table = head; - return 1; - } - return 0; -} - -static void convert_lb_memory(struct param_info *info, struct lb_memory *mem) -{ - int i; - int entries; - entries = (mem->size - sizeof(*mem))/sizeof(mem->map[0]); - for(i = 0; (i < entries) && (i < E820MAX); i++) { - unsigned long type; - unsigned long long end; - end = mem->map[i].start + mem->map[i].size; - lb_puts("lb-mem: "); - lb_put_lhex(mem->map[i].start); - lb_puts(" - "); - lb_put_lhex(end); - lb_puts(" ("); - switch(mem->map[i].type) { - case LB_MEM_RAM: - type = E820_RAM; - lb_puts("ram"); - break; - default: - type = E820_RESERVED; - lb_puts("reserved"); - break; - } - lb_puts(")\n"); - add_e820_map(info->real_mode, - mem->map[i].start, mem->map[i].size, type); - } - info->need_mem_sizes = 0; -} - -static void query_lb_values(struct param_info *info) -{ - struct lb_header *head; - struct lb_record *rec; - void *start, *end; - head = info->lb_table; - start = ((unsigned char *)head) + sizeof(*head); - end = ((char *)start) + head->table_bytes; - for(rec = start; ((void *)rec < end) && - (rec->size <= (unsigned long)(end - (void *)rec)); - rec = (void *)(((char *)rec) + rec->size)) { - switch(rec->tag) { - case LB_TAG_MEMORY: - { - struct lb_memory *mem; - mem = (struct lb_memory *) rec; - convert_lb_memory(info, mem); - break; - } - default: - break; - }; - } -} - -/* - * PCBIOS - * ============================================================================= - */ -#define PC_MEM_DEBUG 0 -#if PC_MEM_DEBUG -#define pc_puts(x) printf("%s", x) -#define pc_put_hex(x) printf("%x", x) -#define pc_put_lhex(x) printf("%Lx", x) -#else -#define pc_puts(x) -#define pc_put_hex(x) -#define pc_put_lhex(x) -#endif /* PC_MEM_DEBUG */ - -/* functions for querying the pcbios */ -extern void noop(void); /* for testing purposes only */ -extern int meme820(struct e820entry *buf, int count); -extern unsigned int meme801(void); -extern unsigned short mem88(void); -extern unsigned short basememsize(void); - -struct meminfo { - int map_count; - struct e820entry map[E820MAX]; -}; - -static struct meminfo meminfo; -static void get_meminfo(struct param_info *info) -{ - int i; - pc_puts("getting meminfo...\n"); - meminfo.map_count = meme820(meminfo.map, E820MAX); - pc_puts("got meminfo count="); pc_put_hex(meminfo.map_count); pc_puts("\n"); - for(i = 0; i < meminfo.map_count; i++) { - unsigned long long end; - struct e820entry *seg = meminfo.map + i; - end = seg->addr + seg->size; - pc_puts("BIOS-e820: "); - pc_put_lhex(seg->addr); - pc_puts(" - "); - pc_put_lhex(end); - pc_puts(" ("); - switch(seg->type) { - case E820_RAM: - pc_puts("ram"); - info->need_mem_sizes = 0; - break; - case E820_ACPI: - pc_puts("ACPI data"); - break; - case E820_NVS: - pc_puts("ACPI NVS"); - break; - case E820_RESERVED: - default: - pc_puts("reserved"); - break; - } - pc_puts(")\n"); - add_e820_map(info->real_mode, - seg->addr, seg->size, seg->type); - } - info->real_mode->alt_mem_k = meme801(); - info->real_mode->ext_mem_k = mem88(); - if (info->real_mode->alt_mem_k || info->real_mode->ext_mem_k) { - info->need_mem_sizes = 0; - } -} - -static void query_pcbios_values(struct param_info *info) -{ - get_meminfo(info); -} - -/* - * Bootloaders - * ============================================================================= - */ - - -static void query_bootloader_param_class(struct param_info *info) -{ - int has_bootloader_type = 0; - Elf_Bhdr *hdr = 0; - if (!has_bootloader_type && (info->type == 0x2BADB002)) { - /* Orignal multiboot specification */ - info->has_multiboot = 1; - has_bootloader_type = 1; - } - if (!has_bootloader_type && (info->type == 0x0A11B007)) { - /* Uniform boot proposal */ - unsigned long checksum; - struct uniform_boot_header *header; - header = info->data; - checksum = compute_checksum(header, header->header_bytes); - if (checksum == 0) { - info->has_uniform_boot = 1; - has_bootloader_type = 1; - } else{ - printf("Bad uniform boot header checksum!\n"); - } - } - if (info->type == ELF_BHDR_MAGIC) { - hdr = info->data; - } - if (info->param && (info->param->b_signature == ELF_BHDR_MAGIC)) { - hdr = info->param; - } - if (!has_bootloader_type && hdr) { - /* Good ELF boot proposal... */ - unsigned long checksum; - int count; - checksum = 0; - if (hdr->b_checksum != 0) { - checksum = compute_checksum(hdr, hdr->b_size); - } - count = count_elf_notes(hdr); - if ((hdr->b_signature == ELF_BHDR_MAGIC) && - (checksum == 0) && - hdr->b_records == count) { - info->has_elf_boot = 1; - info->param = hdr; - has_bootloader_type = 1; - } - else { - printf("Bad ELF parameter table!\n"); - printf(" checksum = %x\n", checksum); - printf(" count = %x\n", count); - printf(" hdr = %x\n", (unsigned long)hdr); - printf(" b_size = %x\n", hdr->b_size); - printf("b_signature = %x\n", hdr->b_signature); - printf(" b_records = %x\n", hdr->b_records); - } - } - if (!has_bootloader_type) { - printf("Unknown bootloader class!\n"); - printf("type=%x\n", info->type); - printf("data=%x\n", (unsigned)info->data); - printf("param=%x\n", (unsigned)info->param); - } -} - -static void query_bootloader_values(struct param_info *info) -{ - if (info->has_multiboot) { - convert_multiboot(info, info->data); - } - else if (info->has_uniform_boot) { - convert_uniform_boot(info, info->data); - } - else if (info->has_elf_boot) { - convert_elf_boot(info, info->param); - } -} - -/* - * Firmware - * ============================================================================= - */ - -static int bootloader_query_firmware_class(struct param_info *info) -{ - Elf_Nhdr *hdr; - unsigned char *note, *n_name, *n_desc; - int detected_firmware_type; - if (!info->has_elf_boot) { - /* Only the elf boot tables gives us a firmware type */ - return 0; - } - detected_firmware_type = 0; - n_desc = 0; - - hdr = find_elf_note(info->param, 0, 0, EBN_FIRMWARE_TYPE); - if (!hdr) { - /* If I'm not explicitly told the firmware type - * do my best to guess it for myself. - */ - detected_firmware_type = 0; - } else { - note = (char *)hdr; - n_name = note + sizeof(*hdr); - n_desc = n_name + ((hdr->n_namesz + 3) & ~3); - } - if (!detected_firmware_type && hdr && - (hdr->n_descsz == 7) && - (memcmp(n_desc, "PCBIOS", 7) == 0)) { - info->has_pcbios = 1; - detected_firmware_type = 1; - } - if (!detected_firmware_type && hdr && - (hdr->n_descsz == 10) && - (memcmp(n_desc, "LinuxBIOS", 10) == 0)) { - /* Don't believe I'm linuxBIOS unless I can - * find the linuxBIOS table.. - */ - detected_firmware_type = find_lb_table(info); - } - if (!detected_firmware_type && hdr && - (hdr->n_descsz == 0)) { - /* No firmware is present */ - detected_firmware_type = 1; - } - if (!detected_firmware_type && hdr && - (hdr->n_descsz == 1) && - (memcmp(n_desc, "", 1) == 0)) { - /* No firmware is present */ - detected_firmware_type = 1; - } - if (!detected_firmware_type && hdr) { - printf("Unknown firmware type: %s\n", n_desc); - } - return detected_firmware_type; -} - -static void query_firmware_class(struct param_info *info) -{ - int detected_firmware_type = 0; - - /* First say I have no firmware at all... */ - info->has_pcbios = 0; - info->has_linuxbios = 0; - - /* See if the bootloader has told us what - * kind of firmware we are running on. - */ - detected_firmware_type = bootloader_query_firmware_class(info); - - /* See if we can detect linuxbios. */ - if (!detected_firmware_type) { - detected_firmware_type = find_lb_table(info); - } - - if (!detected_firmware_type) { - /* if all else fails assume a standard pcbios... */ - info->has_pcbios = 1; - } - - /* Now print out the firmware type... */ - printf("Firmware type:"); - if (info->has_linuxbios) { - printf(" LinuxBIOS"); - } - if (info->has_pcbios) { - printf(" PCBIOS"); - } - printf("\n"); -} - -static void query_firmware_values(struct param_info *info) -{ - if (info->has_linuxbios) { - query_lb_values(info); - } - if (info->has_pcbios) { - query_pcbios_values(info); - } - -} - -/* - * Debug - * ============================================================================= - */ - -#if 0 -static void print_offsets(void) -{ - struct parameters *real_mode = 0; - printf("print_offsets\n"); - - printf("orig_x =%x\n", (uint32_t)&real_mode->orig_x); - printf("orig_y =%x\n", (uint32_t)&real_mode->orig_y); - printf("ext_mem_k =%x\n", (uint32_t)&real_mode->ext_mem_k); - printf("orig_video_page =%x\n", (uint32_t)&real_mode->orig_video_page); - printf("orig_video_mode =%x\n", (uint32_t)&real_mode->orig_video_mode); - printf("orig_video_cols =%x\n", (uint32_t)&real_mode->orig_video_cols); - printf("unused2 =%x\n", (uint32_t)&real_mode->unused2); - printf("orig_video_ega_bx =%x\n", (uint32_t)&real_mode->orig_video_ega_bx); - printf("unused3 =%x\n", (uint32_t)&real_mode->unused3); - printf("orig_video_lines =%x\n", (uint32_t)&real_mode->orig_video_lines); - printf("orig_video_isVGA =%x\n", (uint32_t)&real_mode->orig_video_isVGA); - printf("orig_video_points =%x\n", (uint32_t)&real_mode->orig_video_points); - printf("lfb_width =%x\n", (uint32_t)&real_mode->lfb_width); - printf("lfb_height =%x\n", (uint32_t)&real_mode->lfb_height); - printf("lfb_depth =%x\n", (uint32_t)&real_mode->lfb_depth); - printf("lfb_base =%x\n", (uint32_t)&real_mode->lfb_base); - printf("lfb_size =%x\n", (uint32_t)&real_mode->lfb_size); - printf("cl_magic =%x\n", (uint32_t)&real_mode->cl_magic); - printf("cl_offset =%x\n", (uint32_t)&real_mode->cl_offset); - printf("lfb_linelength =%x\n", (uint32_t)&real_mode->lfb_linelength); - printf("red_size =%x\n", (uint32_t)&real_mode->red_size); - printf("red_pos =%x\n", (uint32_t)&real_mode->red_pos); - printf("green_size =%x\n", (uint32_t)&real_mode->green_size); - printf("green_pos =%x\n", (uint32_t)&real_mode->green_pos); - printf("blue_size =%x\n", (uint32_t)&real_mode->blue_size); - printf("blue_pos =%x\n", (uint32_t)&real_mode->blue_pos); - printf("rsvd_size =%x\n", (uint32_t)&real_mode->rsvd_size); - printf("rsvd_pos =%x\n", (uint32_t)&real_mode->rsvd_pos); - printf("vesapm_seg =%x\n", (uint32_t)&real_mode->vesapm_seg); - printf("vesapm_off =%x\n", (uint32_t)&real_mode->vesapm_off); - printf("pages =%x\n", (uint32_t)&real_mode->pages); - printf("reserved4 =%x\n", (uint32_t)&real_mode->reserved4); - printf("apm_bios_info =%x\n", (uint32_t)&real_mode->apm_bios_info); - printf("drive_info =%x\n", (uint32_t)&real_mode->drive_info); - printf("sys_desc_table =%x\n", (uint32_t)&real_mode->sys_desc_table); - printf("alt_mem_k =%x\n", (uint32_t)&real_mode->alt_mem_k); - printf("reserved5 =%x\n", (uint32_t)&real_mode->reserved5); - printf("e820_map_nr =%x\n", (uint32_t)&real_mode->e820_map_nr); - printf("reserved6 =%x\n", (uint32_t)&real_mode->reserved6); - printf("mount_root_rdonly =%x\n", (uint32_t)&real_mode->mount_root_rdonly); - printf("reserved7 =%x\n", (uint32_t)&real_mode->reserved7); - printf("ramdisk_flags =%x\n", (uint32_t)&real_mode->ramdisk_flags); - printf("reserved8 =%x\n", (uint32_t)&real_mode->reserved8); - printf("orig_root_dev =%x\n", (uint32_t)&real_mode->orig_root_dev); - printf("reserved9 =%x\n", (uint32_t)&real_mode->reserved9); - printf("aux_device_info =%x\n", (uint32_t)&real_mode->aux_device_info); - printf("reserved10 =%x\n", (uint32_t)&real_mode->reserved10); - printf("param_block_signature=%x\n", (uint32_t)&real_mode->param_block_signature); - printf("param_block_version =%x\n", (uint32_t)&real_mode->param_block_version); - printf("reserved11 =%x\n", (uint32_t)&real_mode->reserved11); - printf("loader_type =%x\n", (uint32_t)&real_mode->loader_type); - printf("loader_flags =%x\n", (uint32_t)&real_mode->loader_flags); - printf("reserved12 =%x\n", (uint32_t)&real_mode->reserved12); - printf("kernel_start =%x\n", (uint32_t)&real_mode->kernel_start); - printf("initrd_start =%x\n", (uint32_t)&real_mode->initrd_start); - printf("initrd_size =%x\n", (uint32_t)&real_mode->initrd_size); - printf("reserved13 =%x\n", (uint32_t)&real_mode->reserved13); - printf("e820_map =%x\n", (uint32_t)&real_mode->e820_map); - printf("reserved16 =%x\n", (uint32_t)&real_mode->reserved16); - printf("command_line =%x\n", (uint32_t)&real_mode->command_line); - printf("reserved17 =%x\n", (uint32_t)&real_mode->reserved17); -} - -static void print_linux_params(struct param_info *info) -{ - int i; - - printf("print_linux_params\n"); - /* Default screen size */ - printf("orig_x =%x\n", info->real_mode->orig_x); - printf("orig_y =%x\n", info->real_mode->orig_y); - printf("orig_video_page =%x\n", info->real_mode->orig_video_page); - printf("orig_video_mode =%x\n", info->real_mode->orig_video_mode); - printf("orig_video_cols =%x\n", info->real_mode->orig_video_cols); - printf("orig_video_lines =%x\n", info->real_mode->orig_video_lines); - printf("orig_video_ega_bx=%x\n", info->real_mode->orig_video_ega_bx); - printf("orig_video_isVGA =%x\n", info->real_mode->orig_video_isVGA); - printf("orig_video_points=%x\n", info->real_mode->orig_video_points); - - - /* System descriptor table... */ - printf("sys_dest_table_len=%x\n", info->real_mode->sys_desc_table.length); - - /* Memory sizes */ - printf("ext_mem_k =%x\n", info->real_mode->ext_mem_k); - printf("alt_mem_k =%x\n", info->real_mode->alt_mem_k); - printf("e820_map_nr =%x\n", info->real_mode->e820_map_nr); - for(i = 0; i < E820MAX; i++) { - printf("addr[%x] =%Lx\n", - i, info->real_mode->e820_map[i].addr); - printf("size[%x] =%Lx\n", - i, info->real_mode->e820_map[i].size); - printf("type[%x] =%Lx\n", - i, info->real_mode->e820_map[i].type); - } - printf("mount_root_rdonly=%x\n", info->real_mode->mount_root_rdonly); - printf("ramdisk_flags =%x\n", info->real_mode->ramdisk_flags); - printf("orig_root_dev =%x\n", info->real_mode->orig_root_dev); - printf("aux_device_info =%x\n", info->real_mode->aux_device_info); - printf("param_block_signature=%x\n", *((uint32_t *)info->real_mode->param_block_signature)); - printf("loader_type =%x\n", info->real_mode->loader_type); - printf("loader_flags =%x\n", info->real_mode->loader_flags); - printf("initrd_start =%x\n", info->real_mode->initrd_start); - printf("initrd_size =%x\n", info->real_mode->initrd_size); - - /* Where I'm putting the command line */ - printf("cl_magic =%x\n", info->real_mode->cl_magic); - printf("cl_offset =%x\n", info->real_mode->cl_offset); - - /* Now print the command line */ - printf("command_line =%s\n", info->real_mode->command_line); -} - - -#endif - -/* - * main - * ============================================================================= - */ - -void initialize_linux_params(struct param_info *info) -{ - int len; - /* First the defaults */ - memset(info->real_mode, 0, PAGE_SIZE); - - /* Default screen size */ - info->real_mode->orig_x = 0; - info->real_mode->orig_y = 25; - info->real_mode->orig_video_page = 0; - info->real_mode->orig_video_mode = 0; - info->real_mode->orig_video_cols = 80; - info->real_mode->orig_video_lines = 25; - info->real_mode->orig_video_ega_bx = 0; - info->real_mode->orig_video_isVGA = 1; - info->real_mode->orig_video_points = 16; - - /* Fill this in later */ - info->real_mode->ext_mem_k = 0; - - /* Fill in later... */ - info->real_mode->e820_map_nr = 0; - - /* Where I'm putting the command line */ - info->real_mode->cl_magic = CL_MAGIC_VALUE; - info->real_mode->cl_offset = 2048; - - info->real_mode->cmd_line_ptr = info->real_mode->cl_offset + (unsigned long) info->real_mode; - - /* Now set the command line */ - len = strnlen(info->image->cmdline, sizeof(info->real_mode->command_line) -1); - memcpy(info->real_mode->command_line, info->image->cmdline, len); - info->real_mode->command_line[len] = '\0'; - - /* from the bios initially */ - memset(&info->real_mode->apm_bios_info, 0, sizeof(info->real_mode->apm_bios_info)); - - memset(&info->real_mode->drive_info, 0, sizeof(info->real_mode->drive_info)); - - /* forget it for now... */ - info->real_mode->sys_desc_table.length = 0; - - /* Fill this in later */ - info->real_mode->alt_mem_k = 0; - info->real_mode->ext_mem_k = 0; - - /* default yes: this can be overridden on the command line */ - info->real_mode->mount_root_rdonly = 0xFFFF; - - /* old ramdisk options, These really should be command line - * things... - */ - info->real_mode->ramdisk_flags = info->image->ramdisk_flags; - - /* default to /dev/hda. - * Override this on the command line if necessary - */ - info->real_mode->orig_root_dev = info->image->root_dev; - - /* Originally from the bios? */ - info->real_mode->aux_device_info = 0; - - /* Boot block magic */ - memcpy(info->real_mode->param_block_signature, "HdrS", 4); - info->real_mode->param_block_version = 0x0201; - - /* Say I'm a kernel boot loader */ - info->real_mode->loader_type = (LOADER_TYPE_KERNEL << 4) + 0 /* version */; - - /* No loader flags */ - info->real_mode->loader_flags = 0; - - /* Set it to 16M, instead of 0 which means 4G */ - info->real_mode->kernel_alignment = 16*1024*1024; - - /* Ramdisk address and size ... */ - info->real_mode->initrd_start = 0; - info->real_mode->initrd_size = 0; - if (info->image->initrd_size) { - info->real_mode->initrd_start = info->image->initrd_start; - info->real_mode->initrd_size = info->image->initrd_size; - } - - /* Now remember those things that I need */ - info->need_mem_sizes = 1; -} - -void *convert_params(unsigned type, void *data, void *param, void *image) -{ - struct param_info info; -#if 0 - printf("hello world\n"); -#endif - info.real_mode = faked_real_mode; - info.type = type; - info.data = data; - info.param = param; - info.image = image; - initialize_linux_params(&info); - query_bootloader_param_class(&info); - query_firmware_class(&info); - query_firmware_values(&info); - query_bootloader_values(&info); - - /* Do the hardware setup that linux might forget... */ - hardware_setup(&info); - - /* Print some debugging information */ -#if 0 - printf("EXT_MEM_K=%x\n", info.real_mode->ext_mem_k); - printf("ALT_MEM_K=%x\n", info.real_mode->alt_mem_k); -#endif -#if 0 - print_offsets(); - print_linux_params(&info); -#endif -#if 0 - printf("info.real_mode = 0x%x\n", info.real_mode ); - printf("Jumping to Linux\n"); -#endif - return info.real_mode; -} - diff --git a/util/mkelfImage/linux-i386/head.S b/util/mkelfImage/linux-i386/head.S deleted file mode 100644 index 9c52896e0c..0000000000 --- a/util/mkelfImage/linux-i386/head.S +++ /dev/null @@ -1,581 +0,0 @@ -/* - * exec_kernel/user_space/head.S - * - * Copyright (C) 2000, 2002, 2003 Eric Biederman - * - * Parts of this code were take from the linux startup - * code of linux-2.4.0-test9 - * - * Other parts were taken from etherboot-5.0.5 - */ - -#define ASSEMBLY 1 - -#define RELOC 0x10000 -#define PROT_CODE_SEG 0x10 -#define PROT_DATA_SEG 0x18 -#define REAL_CODE_SEG 0x08 -#define REAL_DATA_SEG 0x20 - - .equ CR0_PE,1 - -.text -.code32 - - -#include "convert.h" - - .globl startup_32 -startup_32: - cld - cli - - # Save the arguments safely out of the way - movl %eax, boot_type - movl %ebx, boot_data - cmp $0,%esp - jz 1f - movl 4(%esp), %eax - movl %eax, boot_param -1: - - movl stack_start, %esp - - # Clear eflags - pushl $0 - popfl - - # Clear BSS - xorl %eax,%eax - movl $ _edata,%edi - movl $ _end,%ecx - subl %edi,%ecx - cld - rep - stosb - - # Move the gdt where Linux will not smash it during decompression - movl $gdt, %esi - movl $GDTLOC, %edi - movl $(gdt_end - gdt), %ecx - rep movsb - - # Linux makes stupid assumptions about the segments - # that are already setup, so setup a new gdt & ldt - # and then reload the segment registers. - - lgdt gdt_48 - lidt idt_48 - - # Load the data segment registers - movl $ PROT_DATA_SEG, %eax - movl %eax, %ds - movl %eax, %es - movl %eax, %fs - movl %eax, %gs - movl %eax, %ss - - pushl $image_params # image build time parameters as forth arg - pushl boot_param # boot_param pointer as third arg - pushl boot_data # boot data pointer as second arg - pushl boot_type # boot data type as first argument - call convert_params - - movl %eax, %esi # put the real mode pointer in a safe place - addl $16, %esp # pop the arguments - - - # Setup the registers before jumping to linux - - - # clear eflags - pushl $0 - popfl - - # Flag to indicate we are the bootstrap processor - xorl %ebx, %ebx - - movl switch_64, %eax - cmp $1, %eax - jz switch_to_64 - - # Clear the unspecified registers for good measure - xorl %eax, %eax - xorl %ecx, %ecx - xorl %edx, %edx - xorl %edi, %edi - xorl %ebp, %ebp - - # do not clear esp, we still need to use lret later - - pushl $PROT_CODE_SEG - movl entry, %eax - pushl %eax - - lret - -switch_to_64: - - /* We need to switch to 64bit before use startup_64 entry go to kernel */ - /* - * Prepare for entering 64 bit mode - */ - # Move the gdt64 where Linux will not smash it during decompression - movl %esi, %eax # save the real mode pointer - movl $gdt64, %esi - movl $GDT64LOC, %edi - movl $(gdt64_end - gdt64), %ecx - rep movsb - movl %eax, %esi - - /* Load new GDT with the 64bit segments using 32bit descriptor */ - lgdt gdt64 - - /* Enable PAE mode */ - xorl %eax, %eax - btsl $5, %eax - movl %eax, %cr4 - - /* - * Build early 4G boot pagetable - */ - /* Initialize Page tables to 0*/ - movl $PGTLOC, %edi - xorl %eax, %eax - movl $((4096*6)/4), %ecx - rep stosl - - /* Build Level 4 */ - movl $(PGTLOC + 0), %edi - leal 0x1007 (%edi), %eax - movl %eax, 0(%edi) - - /* Build Level 3 */ - movl $(PGTLOC + 0x1000), %edi - leal 0x1007(%edi), %eax - movl $4, %ecx -1: movl %eax, 0x00(%edi) - addl $0x00001000, %eax - addl $8, %edi - decl %ecx - jnz 1b - - /* Build Level 2 */ - movl $(PGTLOC + 0x2000), %edi - movl $0x00000183, %eax - movl $2048, %ecx -1: movl %eax, 0(%edi) - addl $0x00200000, %eax - addl $8, %edi - decl %ecx - jnz 1b - - /* Enable the boot page tables */ - movl $PGTLOC, %eax - movl %eax, %cr3 - - /* Enable Long mode in EFER (Extended Feature Enable Register) */ - movl $0xc0000080, %ecx - rdmsr - btsl $8, %eax - wrmsr - - /* Preparing for 64bit jmp */ - pushl $PROT_CODE_SEG - movl entry, %eax - pushl %eax - - /* Enter paged protected Mode, activating Long Mode */ - xorl %eax, %eax - btsl $31, %eax - btsl $0, %eax - movl %eax, %cr0 - - /* - * At this point we're in long mode but in 32bit compatibility mode - * with EFER.LME = 1, CS.L = 0, CS.D = 1 (and in turn - * EFER.LMA = 1). Now we want to jump in 64bit mode, to do that we use - * the new gdt/idt that has __KERNEL_CS with CS.L = 1. - */ - - lret - - - /* Routines to query the BIOS... */ -/************************************************************************** -E820_MEMSIZE - Get a listing of memory regions -**************************************************************************/ -#define SMAP 0x534d4150 - .globl meme820 -meme820: - pushl %ebp - movl %esp, %ebp - pushl %ebx - pushl %esi - pushl %edi - movl 8(%ebp), %edi /* Address to return e820 structures at */ - subl $RELOC, %edi - movl 12(%ebp), %esi /* Maximum number of e820 structurs to return */ - pushl %esi - call _prot_to_real - .code16 - xorl %ebx, %ebx -jmpe820: - movl $0xe820, %eax - movl $SMAP, %edx - movl $20, %ecx - /* %di was setup earlier */ - int $0x15 - jc bail820 - - cmpl $SMAP, %eax - jne bail820 - -good820: - /* If this is useable memory, we save it by simply advancing %di by - * sizeof(e820rec) - */ - decl %esi - testl %esi,%esi - jz bail820 - - addw $20, %di -again820: - cmpl $0, %ebx /* check to see if %ebx is set to EOF */ - jne jmpe820 - -bail820: - data32 call _real_to_prot - .code32 - popl %eax - subl %esi, %eax /* Compute how many structure we read */ - - /* Restore everything else */ - popl %edi - popl %esi - popl %ebx - movl %ebp, %esp - popl %ebp - ret - - -/************************************************************************** -MEME801 - Determine size of extended memory -**************************************************************************/ - .globl meme801 -meme801: - pushl %ebx - pushl %esi - pushl %edi - call _prot_to_real - .code16 - - stc # fix to work around buggy - xorw %cx,%cx # BIOSes which dont clear/set - xorw %dx,%dx # carry on pass/error of - # e801h memory size call - # or merely pass cx,dx though - # without changing them. - movw $0xe801,%ax - int $0x15 - jc e801absent - - cmpw $0x0, %cx # Kludge to handle BIOSes - jne e801usecxdx # which report their extended - cmpw $0x0, %dx # memory in AX/BX rather than - jne e801usecxdx # CX/DX. The spec I have read - movw %ax, %cx # seems to indicate AX/BX - movw %bx, %dx # are more reasonable anyway... - -e801usecxdx: - andl $0xffff, %edx # clear sign extend - shll $6, %edx # and go from 64k to 1k chunks - movl %edx, %eax # store extended memory size - andl $0xffff, %ecx # clear sign extend - addl %ecx, %eax # and add lower memory into - - jmp e801out -e801absent: - xorl %eax,%eax - -e801out: - data32 call _real_to_prot - .code32 - /* Restore Everything */ - popl %edi - popl %esi - popl %ebx - ret - -/************************************************************************** -MEM88 - Determine size of extended memory -**************************************************************************/ - .globl mem88 -mem88: - pushl %ebx - pushl %esi - pushl %edi - call _prot_to_real - .code16 - - movb $0x88, %ah - int $0x15 - andl $0xffff, %eax - - data32 call _real_to_prot - .code32 - - /* Restore Everything */ - popl %edi - popl %esi - popl %ebx - ret - - -/************************************************************************** -BASEMEMSIZE - Get size of the conventional (base) memory -**************************************************************************/ - .globl basememsize -basememsize: - call _prot_to_real - .code16 - int $0x12 - movw %ax,%cx - DATA32 call _real_to_prot - .code32 - movw %cx,%ax - ret - -/************************************************************************** -_REAL_TO_PROT - Go from REAL mode to Protected Mode -**************************************************************************/ - .globl _real_to_prot -_real_to_prot: - .code16 - cli - cs - addr32 lgdt gdt_48 - RELOC - movl %cr0,%eax - orl $CR0_PE,%eax - movl %eax,%cr0 /* turn on protected mode */ - - /* flush prefetch queue, and reload %cs:%eip */ - data32 ljmp $PROT_CODE_SEG,$1f -1: - .code32 - /* reload other segment registers */ - movl $PROT_DATA_SEG,%eax - movl %eax,%ds - movl %eax,%es - movl %eax,%ss - addl $RELOC,%esp /* Fix up stack pointer */ - xorl %eax,%eax - movl %eax,%fs - movl %eax,%gs - popl %eax /* Fix up return address */ - addl $RELOC,%eax - pushl %eax - - /* switch to protected mode idt */ - cs - lidt idt_48 - ret - -/************************************************************************** -_PROT_TO_REAL - Go from Protected Mode to REAL Mode -**************************************************************************/ - .globl _prot_to_real -_prot_to_real: - .code32 - popl %eax - subl $RELOC,%eax /* Adjust return address */ - pushl %eax - subl $RELOC,%esp /* Adjust stack pointer */ - ljmp $REAL_CODE_SEG,$1f- RELOC /* jump to a 16 bit segment */ -1: - .code16 - /* clear the PE bit of CR0 */ - movl %cr0,%eax - andl $0!CR0_PE,%eax - movl %eax,%cr0 - - /* make intersegment jmp to flush the processor pipeline - * and reload %cs:%eip (to clear upper 16 bits of %eip). - */ - data32 ljmp $(RELOC)>>4,$2f- RELOC -2: - /* we are in real mode now - * set up the real mode segment registers : %ds, $ss, %es - */ - movw %cs,%ax - movw %ax,%ds - movw %ax,%es - movw %ax,%ss - movw %ax,%fs - movw %ax,%gs - - /* Switch to the real mode idt */ - cs - addr32 lidt idt_real - RELOC - - sti - data32 ret /* There is a 32 bit return address on the stack */ - .code32 - -boot_type: .long 0 -boot_data: .long 0 -boot_param: .long 0 - -idt_real: - .word 0x400 # idt limit = 256 - .word 0, 0 -idt_48: - .word 0 # idt limit = 0 - .word 0, 0 # idt base = 0L -gdt_48: - .word gdt_end - gdt - 1 # gdt limit=40, - # (5 GDT entries) - .long GDTLOC # gdt base - -# Descriptor tables -# These need to be in a seperate section so I can be -# certain later activities dont stomp them -gdt: - /* 0x00 */ - .word 0, 0, 0, 0 # dummy - - /* 0x08 */ - /* 16 bit real mode code segment */ - .word 0xffff,(RELOC&0xffff) - .byte (RELOC>>16),0x9b,0x00,(RELOC>>24) - - /* 0x10 */ - .word 0xFFFF # 4Gb - (0x100000*0x1000 = 4Gb) - .word 0 # base address = 0 - .word 0x9A00 # code read/exec - .word 0x00CF # granularity = 4096, 386 - # (+5th nibble of limit) - - /* 0x18 */ - .word 0xFFFF # 4Gb - (0x100000*0x1000 = 4Gb) - .word 0 # base address = 0 - .word 0x9200 # data read/write - .word 0x00CF # granularity = 4096, 386 - # (+5th nibble of limit) - - /* 0x20 */ - /* 16 bit real mode data segment */ - .word 0xffff,(RELOC&0xffff) - .byte (RELOC>>16),0x93,0x00,(RELOC>>24) - - /* For 2.5.x the kernel segments have moved */ - - /* 0x28 dummy */ - .quad 0 - - /* 0x30 dummy */ - .quad 0 - /* 0x38 dummy */ - .quad 0 - /* 0x40 dummy */ - .quad 0 - /* 0x48 dummy */ - .quad 0 - /* 0x50 dummy */ - .quad 0 - /* 0x58 dummy */ - .quad 0 - - - /* 0x60 */ - .word 0xFFFF # 4Gb - (0x100000*0x1000 = 4Gb) - .word 0 # base address = 0 - .word 0x9A00 # code read/exec - .word 0x00CF # granularity = 4096, 386 - # (+5th nibble of limit) - - /* 0x68 */ - .word 0xFFFF # 4Gb - (0x100000*0x1000 = 4Gb) - .word 0 # base address = 0 - .word 0x9200 # data read/write - .word 0x00CF # granularity = 4096, 386 - # (+5th nibble of limit) - -/* - * The layout of the per-CPU GDT under Linux: - * - * 0 - null - * 1 - reserved - * 2 - reserved - * 3 - reserved - * - * 4 - default user CS <==== new cacheline - * 5 - default user DS - * - * ------- start of TLS (Thread-Local Storage) segments: - * - * 6 - TLS segment #1 [ glibc's TLS segment ] - * 7 - TLS segment #2 [ Wine's %fs Win32 segment ] - * 8 - TLS segment #3 - * 9 - reserved - * 10 - reserved - * 11 - reserved - * - * ------- start of kernel segments: - * - * 12 - kernel code segment <==== new cacheline - * 13 - kernel data segment - * 14 - TSS - * 15 - LDT - * 16 - PNPBIOS support (16->32 gate) - * 17 - PNPBIOS support - * 18 - PNPBIOS support - * 19 - PNPBIOS support - * 20 - PNPBIOS support - * 21 - APM BIOS support - * 22 - APM BIOS support - * 23 - APM BIOS support - */ -gdt_end: - -gdt64: - .word gdt64_end - gdt64 - .long GDT64LOC - .word 0 - .quad 0x0000000000000000 /* NULL descriptor */ - .quad 0x00af9a000000ffff /* __KERNEL_CS */ - .quad 0x00cf92000000ffff /* __KERNEL_DS */ -gdt64_end: - - .section ".trailer", "a" - /* Constants set at build time, these are at the very end of my image */ - .balign 16 - .global image_params -image_params: - -convert_magic: - .long CONVERT_MAGIC -gdt_size: - .long gdt_end - gdt -gdt64_size: - .long gdt64_end - gdt64 -pgt_size: - .long 4096*6 -bss_size: - .long bss_sizex -ramdisk_flags: - .word 0 -root_dev: - .word DEFAULT_ROOT_DEV -entry: - .long 0 -switch_64: - .long 0 -initrd_start: - .long 0 -initrd_size: - .long 0 -cmdline: - .asciz "BOOT_IMAGE=head.S console=ttyS0 ip=dhcp root=/dev/nfs" - .org cmdline + CMDLINE_MAX, 0 -cmdline_end: diff --git a/util/mkelfImage/linux-i386/mkelf-linux-i386.c b/util/mkelfImage/linux-i386/mkelf-linux-i386.c deleted file mode 100644 index 47256fd2f4..0000000000 --- a/util/mkelfImage/linux-i386/mkelf-linux-i386.c +++ /dev/null @@ -1,466 +0,0 @@ -#include <stdio.h> -#include <errno.h> -#include <stdlib.h> -#include <stdint.h> -#include <string.h> -#define _GNU_SOURCE -#include <getopt.h> -#include "elf.h" -#include "elf_boot.h" -#include "convert.h" -#include "x86-linux.h" -#include "mkelfImage.h" - -static unsigned char payload[] = { -#include "convert.bin.c" -}; - -struct kernel_info; -static void (*parse_kernel_type)(struct kernel_info *info, char *kernel_buf, size_t kernel_size); -static void parse_bzImage_kernel(struct kernel_info *info, char *kernel_buf, size_t kernel_size); -static void parse_elf32_kernel(struct kernel_info *info, char *kernel_buf, size_t kernel_size); -static void parse_elf64_kernel(struct kernel_info *info, char *kernel_buf, size_t kernel_size); - -char *vmlinux_x86_64_probe(char *kernel_buf, off_t kernel_size); - -char *vmlinux_i386_probe(char *kernel_buf, off_t kernel_size) -{ - Elf32_Ehdr *ehdr; - Elf32_Phdr *phdr; - int i; - int phdrs; - ehdr = (Elf32_Ehdr *)kernel_buf; - if ( - (ehdr->e_ident[EI_MAG0] != ELFMAG0) || - (ehdr->e_ident[EI_MAG1] != ELFMAG1) || - (ehdr->e_ident[EI_MAG2] != ELFMAG2) || - (ehdr->e_ident[EI_MAG3] != ELFMAG3)) { - return "No ELF signature found on kernel\n"; - } - if (ehdr->e_ident[EI_CLASS] != ELFCLASS32) { - return vmlinux_x86_64_probe(kernel_buf, kernel_size); -// return "Not a 32bit ELF kernel\n"; - } - if (ehdr->e_ident[EI_DATA] != ELFDATA2LSB) { - return "Not a little endian ELF kernel\n"; - } - if (le16_to_cpu(ehdr->e_type) != ET_EXEC) { - return "Not an executable kernel\n"; - } - if (le16_to_cpu(ehdr->e_machine) != EM_386) { - return "Not an i386 kernel\n"; - } - if ( (ehdr->e_ident[EI_VERSION] != EV_CURRENT) || - (le32_to_cpu(ehdr->e_version) != EV_CURRENT)) { - return "Kernel not using ELF version 1.\n"; - } - if (le16_to_cpu(ehdr->e_phentsize) != sizeof(*phdr)) { - return "Kernel uses bad program header size.\n"; - } - phdr = (Elf32_Phdr *)(kernel_buf + le32_to_cpu(ehdr->e_phoff)); - phdrs = 0; - for(i = 0; i < le16_to_cpu(ehdr->e_phnum); i++) { - if (le32_to_cpu(phdr[i].p_type) != PT_LOAD) - continue; - phdrs++; - } - if (phdrs == 0) { - return "No PT_LOAD segments!\n"; - } - parse_kernel_type = parse_elf32_kernel; - return 0; -} -char *vmlinux_x86_64_probe(char *kernel_buf, off_t kernel_size) -{ - Elf64_Ehdr *ehdr; - Elf64_Phdr *phdr; - int i; - int phdrs = 0; - ehdr = (Elf64_Ehdr *)kernel_buf; - if ( - (ehdr->e_ident[EI_MAG0] != ELFMAG0) || - (ehdr->e_ident[EI_MAG1] != ELFMAG1) || - (ehdr->e_ident[EI_MAG2] != ELFMAG2) || - (ehdr->e_ident[EI_MAG3] != ELFMAG3)) { - return "No ELF signature found on kernel\n"; - } - if (ehdr->e_ident[EI_CLASS] != ELFCLASS64) { - return "Not a 64bit ELF kernel\n"; - } - if (ehdr->e_ident[EI_DATA] != ELFDATA2LSB) { - return "Not a little endian ELF kernel\n"; - } - if (le16_to_cpu(ehdr->e_type) != ET_EXEC) { - return "Not an executable kernel\n"; - } - if (le16_to_cpu(ehdr->e_machine) != EM_X86_64) { - return "Not an x86_64 kernel\n"; - } - if ( (ehdr->e_ident[EI_VERSION] != EV_CURRENT) || - (le32_to_cpu(ehdr->e_version) != EV_CURRENT)) { - return "Kernel not using ELF version 1.\n"; - } - if (le16_to_cpu(ehdr->e_phentsize) != sizeof(*phdr)) { - return "Kernel uses bad program header size.\n"; - } - phdr = (Elf64_Phdr *)(kernel_buf + le64_to_cpu(ehdr->e_phoff)); - phdrs = 0; - for(i = 0; i < le16_to_cpu(ehdr->e_phnum); i++) { - if (le32_to_cpu(phdr[i].p_type) != PT_LOAD) - continue; - phdrs++; - } - if (phdrs == 0) { - return "No PT_LOAD segments!\n"; - } - parse_kernel_type = parse_elf64_kernel; - return 0; -} - -char *bzImage_i386_probe(char *kernel_buf, off_t kernel_size) -{ - struct x86_linux_header *hdr; - unsigned long offset; - int setup_sects; - hdr = (struct x86_linux_header *)kernel_buf; - - if (le16_to_cpu(hdr->boot_sector_magic) != 0xaa55) { - return "No bootsector magic"; - } - if (memcmp(hdr->header_magic, "HdrS", 4) != 0) { - return "Not a linux kernel"; - } - - if (le16_to_cpu(hdr->protocol_version) < 0x202) { - return "Kernel protcols version before 2.02 not supported"; - } - - setup_sects = hdr->setup_sects; - if (setup_sects == 0) { - setup_sects = 4; - } - offset = 512 + (512 *setup_sects); - if (offset > kernel_size) { - return "Not enough bytes"; - } - parse_kernel_type = parse_bzImage_kernel; - return 0; -} - -char *linux_i386_probe(char *kernel_buf, off_t kernel_size) -{ - char *result; - result = ""; - if (result) result = bzImage_i386_probe(kernel_buf, kernel_size); - if (result) result = vmlinux_i386_probe(kernel_buf, kernel_size); - if (result) result = bzImage_i386_probe(kernel_buf, kernel_size); - return result; -} - -#define NR_SECTIONS 16 - -struct kernel_info -{ - int phdrs; - void *kernel[NR_SECTIONS]; - size_t filesz[NR_SECTIONS]; - size_t memsz[NR_SECTIONS]; - size_t paddr[NR_SECTIONS]; - size_t vaddr[NR_SECTIONS]; - size_t entry; - size_t switch_64; - char *version; -}; - -static void parse_elf32_kernel(struct kernel_info *info, char *kernel_buf, size_t kernel_size) -{ - Elf32_Ehdr *ehdr; - Elf32_Phdr *phdr; - int i; - int phdrs; - ehdr = (Elf32_Ehdr *)kernel_buf; - phdr = (Elf32_Phdr *)(kernel_buf + ehdr->e_phoff); - phdrs = 0; - for(i = 0; i < le16_to_cpu(ehdr->e_phnum); i++) { - if (le32_to_cpu(phdr[i].p_type) != PT_LOAD) - continue; - if(phdrs == NR_SECTIONS) - die("NR_SECTIONS is too small\n"); - info->kernel[phdrs] = kernel_buf + le32_to_cpu(phdr[i].p_offset); - info->filesz[phdrs] = le32_to_cpu(phdr[i].p_filesz); - info->memsz[phdrs] = le32_to_cpu(phdr[i].p_memsz); - info->paddr[phdrs] = le32_to_cpu(phdr[i].p_paddr) & 0xfffffff; - info->vaddr[phdrs] = le32_to_cpu(phdr[i].p_vaddr); - phdrs++; - } - - if(!phdrs) - die("We need at least one phdr\n"); - - info->phdrs = phdrs; - info->entry = le32_to_cpu(ehdr->e_entry); - info->switch_64 = 0; //not convert from elf64 - info->version = "unknown"; -} - -static void parse_elf64_kernel(struct kernel_info *info, char *kernel_buf, size_t kernel_size) -{ - Elf64_Ehdr *ehdr; - Elf64_Phdr *phdr; - int i; - int phdrs; - ehdr = (Elf64_Ehdr *)kernel_buf; - phdr = (Elf64_Phdr *)(kernel_buf + le64_to_cpu(ehdr->e_phoff)); - - phdrs = 0; - for(i = 0; i < le16_to_cpu(ehdr->e_phnum); i++) { - if (le32_to_cpu(phdr[i].p_type) != PT_LOAD) - continue; - if(phdrs == NR_SECTIONS) - die("NR_SECTIONS is too small\n"); - info->kernel[phdrs] = kernel_buf + le64_to_cpu(phdr[i].p_offset); - info->filesz[phdrs] = le64_to_cpu(phdr[i].p_filesz); - info->memsz[phdrs] = le64_to_cpu(phdr[i].p_memsz); - info->paddr[phdrs] = le64_to_cpu(phdr[i].p_paddr) & 0xfffffff; - info->vaddr[phdrs] = le64_to_cpu(phdr[i].p_vaddr); - phdrs++; - } - - if(!phdrs) - die("We need at least one phdr\n"); - - info->phdrs = phdrs; - info->entry = le64_to_cpu(ehdr->e_entry); -#if 0 - if (info->entry != info->paddr[0]) { - info->entry = info->paddr[0]; // we still have startup_32 there - info->switch_64 = 0; //not convert from elf64 - } else -#endif - info->switch_64 = 1; //convert from elf64 - - info->version = "unknown"; -} - - -static void parse_bzImage_kernel(struct kernel_info *info, char *kernel_buf, size_t kernel_size) -{ - struct x86_linux_header *hdr; - unsigned long offset; - int setup_sects; - hdr = (struct x86_linux_header *)kernel_buf; - setup_sects = hdr->setup_sects; - if (setup_sects == 0) { - setup_sects = 4; - } - offset = 512 + (512 *setup_sects); - - info->kernel[0] = kernel_buf + offset; - info->filesz[0] = kernel_size - offset; - info->memsz[0] = 0x700000; - info->paddr[0] = 0x100000; - info->vaddr[0] = 0x100000; - info->phdrs = 1; - info->entry = info->paddr[0]; - info->switch_64 = 0; //not convert from elf64, even later bzImage become elf64, it still includes startup_32 - info->version = kernel_buf + 512 + le16_to_cpu(hdr->kver_addr); -} - -static void parse_kernel(struct kernel_info *info, char *kernel_buf, size_t kernel_size) -{ - memset(info, 0, sizeof(*info)); - if (parse_kernel_type) { - parse_kernel_type(info, kernel_buf, kernel_size); - } - else { - die("Unknown kernel format"); - } -} - -void linux_i386_usage(void) -{ - printf( - " --command-line=<string> Set the command line to <string>\n" - " --append=<string> Set the command line to <string>\n" - " --initrd=<filename> Set the initrd to <filename>\n" - " --ramdisk=<filename> Set the initrd to <filename>\n" - " --ramdisk-base=<addr> Set the initrd load address to <addr>\n" - ); - return; -} - - -#define OPT_CMDLINE OPT_MAX+0 -#define OPT_RAMDISK OPT_MAX+1 -#define OPT_RAMDISK_BASE OPT_MAX+2 - -#define DEFAULT_RAMDISK_BASE (8*1024*1024) - -int linux_i386_mkelf(int argc, char **argv, - struct memelfheader *ehdr, char *kernel_buf, off_t kernel_size) -{ - const char *ramdisk, *cmdline; - unsigned long ramdisk_base; - char *payload_buf, *ramdisk_buf; - off_t payload_size, ramdisk_size; - struct memelfphdr *phdr; - struct memelfnote *note; - struct kernel_info kinfo; - struct image_parameters *params; - int index; - int i; - - int opt; - static const struct option options[] = { - MKELF_OPTIONS - { "command-line", 1, 0, OPT_CMDLINE }, - { "append", 1, 0, OPT_CMDLINE }, - { "initrd", 1, 0, OPT_RAMDISK }, - { "ramdisk", 1, 0, OPT_RAMDISK }, - { "ramdisk-base", 1, 0, OPT_RAMDISK_BASE }, - { 0 , 0, 0, 0 }, - }; - static const char short_options[] = MKELF_OPT_STR; - - ramdisk_base = DEFAULT_RAMDISK_BASE; - ramdisk = 0; - cmdline=""; - - while((opt = getopt_long(argc, argv, short_options, options, 0)) != -1) { - switch(opt) { - case '?': - error("Unknown option %s\n", argv[optind]); - break; - case OPT_RAMDISK_BASE: - { - char *end; - unsigned long base; - base = strtoul(optarg, &end, 0); - if ((end == optarg) || (*end != '\0')) { - error("Invalid ramdisk base\n"); - } - ramdisk_base = base; - } - case OPT_RAMDISK: - ramdisk = optarg; - break; - case OPT_CMDLINE: - cmdline = optarg; - break; - default: - break; - } - } - ehdr->ei_class = ELFCLASS32; - ehdr->ei_data = ELFDATA2LSB; - ehdr->e_type = ET_EXEC; - ehdr->e_machine = EM_386; - - /* locate the payload buffer */ - payload_buf = payload; - payload_size = sizeof(payload); - - /* slurp the input files */ - ramdisk_buf = slurp_file(ramdisk, &ramdisk_size); - - /* parse the kernel */ - parse_kernel(&kinfo, kernel_buf, kernel_size); - - /* Find the parameters */ - params = (void *)(payload_buf + (payload_size - sizeof(*params))); - - /* A sanity check against bad versions of binutils */ - if (params->convert_magic != CONVERT_MAGIC) { - die("Internal error convert_magic %08x != %08x\n", - params->convert_magic, CONVERT_MAGIC); - } - - /* Copy the command line */ - strncpy(params->cmdline, cmdline, sizeof(params->cmdline)); - params->cmdline[sizeof(params->cmdline)-1]= '\0'; - - - /* Add a program header for the note section */ - index = 4; - index += (kinfo.phdrs - 1); - index += ramdisk_size ? 1:0; - phdr = add_program_headers(ehdr, index); - - /* Fill in the program headers*/ - phdr[0].p_type = PT_NOTE; - - /* Fill in the converter program headers */ - phdr[1].p_paddr = CONVERTLOC; - phdr[1].p_vaddr = CONVERTLOC; - phdr[1].p_filesz = payload_size; - phdr[1].p_memsz = payload_size + params->bss_size; - phdr[1].p_data = payload; - - /* Reserve space for the REAL MODE DATA segment AND the GDT segment */ - phdr[2].p_paddr = REAL_MODE_DATA_LOC; - phdr[2].p_vaddr = REAL_MODE_DATA_LOC; - phdr[2].p_filesz = 0; - if(!kinfo.switch_64) - phdr[2].p_memsz = (GDTLOC - REAL_MODE_DATA_LOC) + params->gdt_size; - else - phdr[2].p_memsz = (PGTLOC - REAL_MODE_DATA_LOC) + params->pgt_size; - phdr[2].p_data = 0; - - if( (phdr[1].p_paddr + phdr[1].p_memsz) > phdr[2].p_paddr) { - die("Internal error: need to increase REAL_MODE_DATA_LOC !\n"); - } - - index = 3; - /* Put the second kernel frament if present */ - for(i=0;i<kinfo.phdrs;i++) { - phdr[index].p_paddr = kinfo.paddr[i]; - phdr[index].p_vaddr = kinfo.vaddr[i]; - phdr[index].p_filesz = kinfo.filesz[i]; - phdr[index].p_memsz = kinfo.memsz[i]; - phdr[index].p_data = kinfo.kernel[i]; - index++; - } - - /* Put the ramdisk at ramdisk base. - */ - params->initrd_start = params->initrd_size = 0; - if (ramdisk_size) { - if( (phdr[index-1].p_paddr + phdr[index-1].p_memsz) > ramdisk_base) { - die("need to increase increase ramdisk_base !\n"); - } - - phdr[index].p_paddr = ramdisk_base; - phdr[index].p_vaddr = ramdisk_base; - phdr[index].p_filesz = ramdisk_size; - phdr[index].p_memsz = ramdisk_size; - phdr[index].p_data = ramdisk_buf; - params->initrd_start = phdr[index].p_paddr; - params->initrd_size = phdr[index].p_filesz; - index++; - } - - /* Set the start location */ - params->entry = kinfo.entry; - params->switch_64 = kinfo.switch_64; - ehdr->e_entry = phdr[1].p_paddr; - - /* Setup the elf notes */ - note = add_notes(ehdr, 3); - note[0].n_type = EIN_PROGRAM_NAME; - note[0].n_name = "ELFBoot"; - note[0].n_desc = "Linux"; - note[0].n_descsz = strlen(note[0].n_desc)+1; - - note[1].n_type = EIN_PROGRAM_VERSION; - note[1].n_name = "ELFBoot"; - note[1].n_desc = kinfo.version; - note[1].n_descsz = strlen(note[1].n_desc); - - note[2].n_type = EIN_PROGRAM_CHECKSUM; - note[2].n_name = "ELFBoot"; - note[2].n_desc = 0; - note[2].n_descsz = 2; - - return 0; -} - diff --git a/util/mkelfImage/linux-i386/uniform_boot.h b/util/mkelfImage/linux-i386/uniform_boot.h deleted file mode 100644 index ac814967f6..0000000000 --- a/util/mkelfImage/linux-i386/uniform_boot.h +++ /dev/null @@ -1,67 +0,0 @@ -#ifndef _LINUX_UNIFORM_BOOT_H -#define _LINUX_UNIFORM_BOOT_H - -/* The uniform boot environment information is restricted to - * hardware information. In particular for a simple enough machine - * all of the environment information should be able to reside in - * a rom and not need to be moved. This information is the - * information a trivial boot room can pass to linux to let it - * run the hardware. - * - * Also all of the information should be Position Independent Data. - * That is it should be safe to relocated any of the information - * without it's meaning/correctnes changing. The exception is the - * uniform_boot_header with it's two pointers arg & env. - * - * The addresses in the arg & env pointers must be physical - * addresses. A physical address is an address you put in the page - * table. - * - * The Command line is for user policy. Things like the default - * root device. - * - */ - -struct uniform_boot_header -{ - unsigned long header_bytes; - unsigned long header_checksum; - unsigned long arg; - unsigned long arg_bytes; - unsigned long env; - unsigned long env_bytes; -}; - -/* Every entry in the boot enviroment list will correspond to a boot - * info record. Encoding both type and size. The type is obviously - * so you can tell what it is. The size allows you to skip that - * boot enviroment record if you don't know what it easy. This allows - * forward compatibility with records not yet defined. - */ -struct ube_record { - unsigned long tag; /* tag ID */ - unsigned long size; /* size of record (in bytes) */ - unsigned long data[0]; /* data */ -}; - - -#define UBE_TAG_MEMORY 0x0001 - -struct ube_memory_range { - unsigned long long start; - unsigned long long size; - unsigned long type; -#define UBE_MEM_RAM 1 -#define UBE_MEM_RESERVED 2 -#define UBE_MEM_ACPI 3 -#define UBE_MEM_NVS 4 - -}; - -struct ube_memory { - unsigned long tag; - unsigned long size; - struct ube_memory_range map[0]; -}; - -#endif /* _LINUX_UNIFORM_BOOT_H */ diff --git a/util/mkelfImage/linux-i386/x86-linux.h b/util/mkelfImage/linux-i386/x86-linux.h deleted file mode 100644 index 521988815c..0000000000 --- a/util/mkelfImage/linux-i386/x86-linux.h +++ /dev/null @@ -1,162 +0,0 @@ -#ifndef X86_LINUX_H -#define X86_LINUX_H - -#define E820MAP 0x2d0 /* our map */ -#define E820MAX 32 /* number of entries in E820MAP */ -#define E820NR 0x1e8 /* # entries in E820MAP */ - -#ifndef ASSEMBLY - -struct e820entry { - uint64_t addr; /* start of memory segment */ - uint64_t size; /* size of memory segment */ - uint32_t type; /* type of memory segment */ -#define E820_RAM 1 -#define E820_RESERVED 2 -#define E820_ACPI 3 /* usable as RAM once ACPI tables have been read */ -#define E820_NVS 4 -} __attribute__((packed)); - -/* FIXME expand on drive_info_struct... */ -struct drive_info_struct { - uint8_t dummy[32]; -}; -struct sys_desc_table { - uint16_t length; - uint8_t table[318]; -}; - -struct apm_bios_info { - uint16_t version; /* 0x40 */ - uint16_t cseg; /* 0x42 */ - uint32_t offset; /* 0x44 */ - uint16_t cseg_16; /* 0x48 */ - uint16_t dseg; /* 0x4a */ - uint16_t flags; /* 0x4c */ - uint16_t cseg_len; /* 0x4e */ - uint16_t cseg_16_len; /* 0x50 */ - uint16_t dseg_len; /* 0x52 */ - uint8_t reserved[44]; /* 0x54 */ -}; - - -struct x86_linux_param_header { - uint8_t orig_x; /* 0x00 */ - uint8_t orig_y; /* 0x01 */ - uint16_t ext_mem_k; /* 0x02 -- EXT_MEM_K sits here */ - uint16_t orig_video_page; /* 0x04 */ - uint8_t orig_video_mode; /* 0x06 */ - uint8_t orig_video_cols; /* 0x07 */ - uint16_t unused2; /* 0x08 */ - uint16_t orig_video_ega_bx; /* 0x0a */ - uint16_t unused3; /* 0x0c */ - uint8_t orig_video_lines; /* 0x0e */ - uint8_t orig_video_isVGA; /* 0x0f */ - uint16_t orig_video_points; /* 0x10 */ - - /* VESA graphic mode -- linear frame buffer */ - uint16_t lfb_width; /* 0x12 */ - uint16_t lfb_height; /* 0x14 */ - uint16_t lfb_depth; /* 0x16 */ - uint32_t lfb_base; /* 0x18 */ - uint32_t lfb_size; /* 0x1c */ - uint16_t cl_magic; /* 0x20 */ -#define CL_MAGIC_VALUE 0xA33F - uint16_t cl_offset; /* 0x22 */ - uint16_t lfb_linelength; /* 0x24 */ - uint8_t red_size; /* 0x26 */ - uint8_t red_pos; /* 0x27 */ - uint8_t green_size; /* 0x28 */ - uint8_t green_pos; /* 0x29 */ - uint8_t blue_size; /* 0x2a */ - uint8_t blue_pos; /* 0x2b */ - uint8_t rsvd_size; /* 0x2c */ - uint8_t rsvd_pos; /* 0x2d */ - uint16_t vesapm_seg; /* 0x2e */ - uint16_t vesapm_off; /* 0x30 */ - uint16_t pages; /* 0x32 */ - uint8_t reserved4[12]; /* 0x34 -- 0x3f reserved for future expansion */ - - struct apm_bios_info apm_bios_info; /* 0x40 */ - struct drive_info_struct drive_info; /* 0x80 */ - struct sys_desc_table sys_desc_table; /* 0xa0 */ - uint32_t alt_mem_k; /* 0x1e0 */ - uint8_t reserved5[4]; /* 0x1e4 */ - uint8_t e820_map_nr; /* 0x1e8 */ - uint8_t reserved6[8]; /* 0x1e9 */ - uint8_t setup_sects; /* 0x1f1 */ - uint16_t mount_root_rdonly; /* 0x1f2 */ - uint8_t reserved7[4]; /* 0x1f4 */ - uint16_t ramdisk_flags; /* 0x1f8 */ -#define RAMDISK_IMAGE_START_MASK 0x07FF -#define RAMDISK_PROMPT_FLAG 0x8000 -#define RAMDISK_LOAD_FLAG 0x4000 - uint16_t vid_mode; /* 0x1fa */ - uint16_t root_dev; /* 0x1fc */ - uint8_t reserved9[1]; /* 0x1fe */ - uint8_t aux_device_info; /* 0x1ff */ - /* 2.00+ */ - uint8_t reserved10[2]; /* 0x200 */ - uint8_t header_magic[4]; /* 0x202 */ - uint16_t protocol_version; /* 0x206 */ - uint8_t reserved11[8]; /* 0x208 */ - uint8_t loader_type; /* 0x210 */ -#define LOADER_TYPE_LOADLIN 1 -#define LOADER_TYPE_BOOTSECT_LOADER 2 -#define LOADER_TYPE_SYSLINUX 3 -#define LOADER_TYPE_ETHERBOOT 4 -#define LOADER_TYPE_UNKNOWN 0xFF - uint8_t loader_flags; /* 0x211 */ - uint8_t reserved12[2]; /* 0x212 */ - uint32_t kernel_start; /* 0x214 */ - uint32_t initrd_start; /* 0x218 */ - uint32_t initrd_size; /* 0x21c */ - uint8_t reserved13[4]; /* 0x220 */ - /* 2.01+ */ - uint16_t heap_end_ptr; /* 0x224 */ - uint8_t reserved14[2]; /* 0x226 */ - /* 2.02+ */ - uint32_t cmd_line_ptr; /* 0x228 */ - /* 2.03+ */ - uint32_t initrd_addr_max; /* 0x22c */ - uint8_t reserved15[160]; /* 0x230 */ - struct e820entry e820_map[E820MAX]; /* 0x2d0 */ - /* 0x550 */ -#define COMMAND_LINE_SIZE 256 -}; - -struct x86_linux_header { - uint8_t reserved1[0x1f1]; /* 0x000 */ - uint8_t setup_sects; /* 0x1f1 */ - uint16_t root_flags; /* 0x1f2 */ - uint8_t reserved2[6]; /* 0x1f4 */ - uint16_t vid_mode; /* 0x1fa */ - uint16_t root_dev; /* 0x1fc */ - uint16_t boot_sector_magic; /* 0x1fe */ - /* 2.00+ */ - uint8_t reserved3[2]; /* 0x200 */ - uint8_t header_magic[4]; /* 0x202 */ - uint16_t protocol_version; /* 0x206 */ - uint32_t realmode_swtch; /* 0x208 */ - uint16_t start_sys; /* 0x20c */ - uint16_t kver_addr; /* 0x20e */ - uint8_t type_of_loader; /* 0x210 */ - uint8_t loadflags; /* 0x211 */ - uint16_t setup_move_size; /* 0x212 */ - uint32_t code32_start; /* 0x214 */ - uint32_t ramdisk_image; /* 0x218 */ - uint32_t ramdisk_size; /* 0x21c */ - uint8_t reserved4[4]; /* 0x220 */ - /* 2.01+ */ - uint16_t heap_end_ptr; /* 0x224 */ - uint8_t reserved5[2]; /* 0x226 */ - /* 2.02+ */ - uint32_t cmd_line_ptr; /* 0x228 */ - /* 2.03+ */ - uint32_t initrd_addr_max; /* 0x22c */ - uint8_t tail[32*1024]; /* 0x230 */ -} __attribute__ ((packed)); - -#endif /* ASSEMBLY */ - -#endif /* X86_LINUX_H */ |