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-rw-r--r--src/arch/i386/include/arch/cpu.h2
-rw-r--r--src/arch/i386/include/arch/hlt.h8
-rw-r--r--src/arch/i386/include/arch/io.h6
-rw-r--r--src/arch/i386/include/arch/romcc_io.h29
-rw-r--r--src/arch/i386/init/crt0.S.lb3
-rw-r--r--src/arch/i386/init/ldscript.lb1
-rw-r--r--src/arch/i386/lib/Config.lb7
-rw-r--r--src/arch/i386/lib/c_start.S5
-rw-r--r--src/arch/i386/lib/console.c108
-rw-r--r--src/arch/i386/lib/printk_init.c46
10 files changed, 199 insertions, 16 deletions
diff --git a/src/arch/i386/include/arch/cpu.h b/src/arch/i386/include/arch/cpu.h
index 0c5b0604ad..4cdeded8bc 100644
--- a/src/arch/i386/include/arch/cpu.h
+++ b/src/arch/i386/include/arch/cpu.h
@@ -104,7 +104,7 @@ static inline unsigned int cpuid_edx(unsigned int op)
#define X86_VENDOR_SIS 10
#define X86_VENDOR_UNKNOWN 0xff
-#ifndef __ROMCC__
+#if !defined( __ROMCC__ ) && defined( __GNUC__)
#include <device/device.h>
diff --git a/src/arch/i386/include/arch/hlt.h b/src/arch/i386/include/arch/hlt.h
index 7d3a563734..23ff1aa918 100644
--- a/src/arch/i386/include/arch/hlt.h
+++ b/src/arch/i386/include/arch/hlt.h
@@ -1,19 +1,15 @@
#ifndef ARCH_HLT_H
#define ARCH_HLT_H
-#ifdef __ROMCC__
+#if defined( __ROMCC__) && !defined(__GNUC__)
static void hlt(void)
{
__builtin_hlt();
}
-
-#endif
-
-#if defined(__GNUC__) && !defined(__ROMCC__)
+#else
static inline void hlt(void)
{
asm("hlt");
- return;
}
#endif
diff --git a/src/arch/i386/include/arch/io.h b/src/arch/i386/include/arch/io.h
index 4bd2f4a4c3..07d091328a 100644
--- a/src/arch/i386/include/arch/io.h
+++ b/src/arch/i386/include/arch/io.h
@@ -9,8 +9,7 @@
* (insb/insw/insl/outsb/outsw/outsl). You can also use "pausing"
* versions of the single-IO instructions (inb_p/inw_p/..).
*/
-
-#ifdef __ROMCC__
+#if defined( __ROMCC__ ) && !defined (__GNUC__)
static inline void outb(uint8_t value, uint16_t port)
{
__builtin_outb(value, port);
@@ -42,7 +41,6 @@ static inline uint32_t inl(uint16_t port)
{
return __builtin_inl(port);
}
-
#else
static inline void outb(uint8_t value, uint16_t port)
@@ -81,7 +79,7 @@ static inline uint32_t inl(uint16_t port)
return value;
}
-#endif /* __ROMCC__ */
+#endif /* __ROMCC__ && !__GNUC__*/
static inline void outsb(uint16_t port, const void *addr, unsigned long count)
{
diff --git a/src/arch/i386/include/arch/romcc_io.h b/src/arch/i386/include/arch/romcc_io.h
index 80037bd7ad..1d3e603ed0 100644
--- a/src/arch/i386/include/arch/romcc_io.h
+++ b/src/arch/i386/include/arch/romcc_io.h
@@ -33,8 +33,7 @@ static inline void write32(unsigned long addr, uint32_t value)
{
*((volatile uint32_t *)(addr)) = value;
}
-
-
+#if 0
typedef __builtin_div_t div_t;
typedef __builtin_ldiv_t ldiv_t;
typedef __builtin_udiv_t udiv_t;
@@ -72,6 +71,32 @@ inline int log2(int value)
*/
return __builtin_bsr(value);
}
+#endif
+
+static inline int log2(int value)
+{
+ unsigned int r = 0;
+ __asm__ volatile (
+ "bsrl %1, %0\n\t"
+ "jnz 1f\n\t"
+ "movl $-1, %0\n\t"
+ "1:\n\t"
+ : "=r" (r) : "r" (value));
+ return r;
+
+}
+static inline int log2f(int value)
+{
+ unsigned int r = 0;
+ __asm__ volatile (
+ "bsfl %1, %0\n\t"
+ "jnz 1f\n\t"
+ "movl $-1, %0\n\t"
+ "1:\n\t"
+ : "=r" (r) : "r" (value));
+ return r;
+
+}
#define PCI_ADDR(BUS, DEV, FN, WHERE) ( \
(((BUS) & 0xFF) << 16) | \
diff --git a/src/arch/i386/init/crt0.S.lb b/src/arch/i386/init/crt0.S.lb
index f0326fa8f8..67ef91059b 100644
--- a/src/arch/i386/init/crt0.S.lb
+++ b/src/arch/i386/init/crt0.S.lb
@@ -37,6 +37,7 @@
#include "crt0_includes.h"
+#if USE_DCACHE_RAM == 0
#ifndef CONSOLE_DEBUG_TX_STRING
/* uses: esp, ebx, ax, dx */
# define __CRT_CONSOLE_TX_STRING(string) \
@@ -219,3 +220,5 @@ str_pre_main: .string "Jumping to LinuxBIOS.\r\n"
.previous
#endif /* ASM_CONSOLE_LOGLEVEL > BIOS_DEBUG */
+
+#endif /* USE_DCACHE_RAM */
diff --git a/src/arch/i386/init/ldscript.lb b/src/arch/i386/init/ldscript.lb
index ba8078b005..7a169e1a51 100644
--- a/src/arch/i386/init/ldscript.lb
+++ b/src/arch/i386/init/ldscript.lb
@@ -46,6 +46,7 @@ SECTIONS
_rom = .;
*(.rom.text);
*(.rom.data);
+ *(.rom.data.*);
. = ALIGN(16);
_erom = .;
}
diff --git a/src/arch/i386/lib/Config.lb b/src/arch/i386/lib/Config.lb
index 7de0250ebc..023c0312ff 100644
--- a/src/arch/i386/lib/Config.lb
+++ b/src/arch/i386/lib/Config.lb
@@ -1,6 +1,13 @@
+uses CONFIG_USE_INIT
+
object c_start.S
object cpu.c
object pci_ops_conf1.c
object pci_ops_conf2.c
object pci_ops_auto.c
object exception.c
+
+if CONFIG_USE_INIT
+ initobject printk_init.o
+end
+
diff --git a/src/arch/i386/lib/c_start.S b/src/arch/i386/lib/c_start.S
index ccd0127dae..3de556f441 100644
--- a/src/arch/i386/lib/c_start.S
+++ b/src/arch/i386/lib/c_start.S
@@ -15,9 +15,10 @@ _start:
movl %eax, %fs
movl %eax, %gs
- intel_chip_post_macro(0x13) /* post 12 */
+ intel_chip_post_macro(0x13) /* post 13 */
/** clear stack */
+ cld
leal _stack, %edi
movl $_estack, %ecx
subl %edi, %ecx
@@ -80,7 +81,7 @@ _start:
call hardwaremain
/*NOTREACHED*/
.Lhlt:
- intel_chip_post_macro(0xee) /* post fe */
+ intel_chip_post_macro(0xee) /* post ee */
hlt
jmp .Lhlt
diff --git a/src/arch/i386/lib/console.c b/src/arch/i386/lib/console.c
index f667795f05..b233f75595 100644
--- a/src/arch/i386/lib/console.c
+++ b/src/arch/i386/lib/console.c
@@ -1,5 +1,6 @@
#include <console/loglevel.h>
+#if CONFIG_USE_INIT == 0
static void __console_tx_byte(unsigned char byte)
{
uart_tx_byte(byte);
@@ -120,7 +121,7 @@ static void print_spew_hex32(unsigned int value) { __console_tx_hex32(BIOS_SPEW,
static void print_spew(const char *str) { __console_tx_string(BIOS_SPEW, str); }
/* Non inline versions.... */
-
+#if 0
static void print_alert_char_(unsigned char value) NOINLINE { print_alert_char(value); }
static void print_alert_hex8_(unsigned char value) NOINLINE { print_alert_hex8(value); }
static void print_alert_hex16_(unsigned short value) NOINLINE { print_alert_hex16(value); }
@@ -168,6 +169,111 @@ static void print_spew_hex8_(unsigned char value) NOINLINE { print_spew_hex8(v
static void print_spew_hex16_(unsigned short value) NOINLINE { print_spew_hex16(value); }
static void print_spew_hex32_(unsigned int value) NOINLINE { print_spew_hex32(value); }
static void print_spew_(const char *str) NOINLINE { print_spew(str); }
+#endif
+
+#else
+
+extern int do_printk(int msg_level, const char *fmt, ...);
+
+#define printk_emerg(fmt, arg...) do_printk(BIOS_EMERG ,fmt, ##arg)
+#define printk_alert(fmt, arg...) do_printk(BIOS_ALERT ,fmt, ##arg)
+#define printk_crit(fmt, arg...) do_printk(BIOS_CRIT ,fmt, ##arg)
+#define printk_err(fmt, arg...) do_printk(BIOS_ERR ,fmt, ##arg)
+#define printk_warning(fmt, arg...) do_printk(BIOS_WARNING ,fmt, ##arg)
+#define printk_notice(fmt, arg...) do_printk(BIOS_NOTICE ,fmt, ##arg)
+#define printk_info(fmt, arg...) do_printk(BIOS_INFO ,fmt, ##arg)
+#define printk_debug(fmt, arg...) do_printk(BIOS_DEBUG ,fmt, ##arg)
+#define printk_spew(fmt, arg...) do_printk(BIOS_SPEW ,fmt, ##arg)
+
+#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_EMERG
+#undef printk_emerg
+#define printk_emerg(fmt, arg...) do {} while(0)
+#endif
+#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_ALERT
+#undef printk_alert
+#define printk_alart(fmt, arg...) do {} while(0)
+#endif
+#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_CRIT
+#undef printk_crit
+#define printk_crit(fmt, arg...) do {} while(0)
+#endif
+#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_ERR
+#undef printk_err
+#define printk_err(fmt, arg...) do {} while(0)
+#endif
+#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_WARNING
+#undef printk_warning
+#define printk_warning(fmt, arg...) do {} while(0)
+#endif
+#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_NOTICE
+#undef printk_notice
+#define printk_notice(fmt, arg...) do {} while(0)
+#endif
+#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_INFO
+#undef printk_info
+#define printk_info(fmt, arg...) do {} while(0)
+#endif
+#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_DEBUG
+#undef printk_debug
+#define printk_debug(fmt, arg...) do {} while(0)
+#endif
+#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_SPEW
+#undef printk_spew
+#define printk_spew(fmt, arg...) do {} while(0)
+#endif
+
+#define print_emerg(STR) printk_emerg ("%s", (STR))
+#define print_alert(STR) printk_alert ("%s", (STR))
+#define print_crit(STR) printk_crit ("%s", (STR))
+#define print_err(STR) printk_err ("%s", (STR))
+#define print_warning(STR) printk_warning("%s", (STR))
+#define print_notice(STR) printk_notice ("%s", (STR))
+#define print_info(STR) printk_info ("%s", (STR))
+#define print_debug(STR) printk_debug ("%s", (STR))
+#define print_spew(STR) printk_spew ("%s", (STR))
+
+#define print_emerg_char(CH) printk_emerg ("%c", (CH))
+#define print_alert_char(CH) printk_alert ("%c", (CH))
+#define print_crit_char(CH) printk_crit ("%c", (CH))
+#define print_err_char(CH) printk_err ("%c", (CH))
+#define print_warning_char(CH) printk_warning("%c", (CH))
+#define print_notice_char(CH) printk_notice ("%c", (CH))
+#define print_info_char(CH) printk_info ("%c", (CH))
+#define print_debug_char(CH) printk_debug ("%c", (CH))
+#define print_spew_char(CH) printk_spew ("%c", (CH))
+
+#define print_emerg_hex8(HEX) printk_emerg ("%02x", (HEX))
+#define print_alert_hex8(HEX) printk_alert ("%02x", (HEX))
+#define print_crit_hex8(HEX) printk_crit ("%02x", (HEX))
+#define print_err_hex8(HEX) printk_err ("%02x", (HEX))
+#define print_warning_hex8(HEX) printk_warning("%02x", (HEX))
+#define print_notice_hex8(HEX) printk_notice ("%02x", (HEX))
+#define print_info_hex8(HEX) printk_info ("%02x", (HEX))
+#define print_debug_hex8(HEX) printk_debug ("%02x", (HEX))
+#define print_spew_hex8(HEX) printk_spew ("%02x", (HEX))
+
+#define print_emerg_hex16(HEX) printk_emerg ("%04x", (HEX))
+#define print_alert_hex16(HEX) printk_alert ("%04x", (HEX))
+#define print_crit_hex16(HEX) printk_crit ("%04x", (HEX))
+#define print_err_hex16(HEX) printk_err ("%04x", (HEX))
+#define print_warning_hex16(HEX) printk_warning("%04x", (HEX))
+#define print_notice_hex16(HEX) printk_notice ("%04x", (HEX))
+#define print_info_hex16(HEX) printk_info ("%04x", (HEX))
+#define print_debug_hex16(HEX) printk_debug ("%04x", (HEX))
+#define print_spew_hex16(HEX) printk_spew ("%04x", (HEX))
+
+#define print_emerg_hex32(HEX) printk_emerg ("%08x", (HEX))
+#define print_alert_hex32(HEX) printk_alert ("%08x", (HEX))
+#define print_crit_hex32(HEX) printk_crit ("%08x", (HEX))
+#define print_err_hex32(HEX) printk_err ("%08x", (HEX))
+#define print_warning_hex32(HEX) printk_warning("%08x", (HEX))
+#define print_notice_hex32(HEX) printk_notice ("%08x", (HEX))
+#define print_info_hex32(HEX) printk_info ("%08x", (HEX))
+#define print_debug_hex32(HEX) printk_debug ("%08x", (HEX))
+#define print_spew_hex32(HEX) printk_spew ("%08x", (HEX))
+
+
+#endif /* CONFIG_USE_INIT == 0 */
#ifndef LINUXBIOS_EXTRA_VERSION
#define LINUXBIOS_EXTRA_VERSION ""
diff --git a/src/arch/i386/lib/printk_init.c b/src/arch/i386/lib/printk_init.c
new file mode 100644
index 0000000000..7c03664a4f
--- /dev/null
+++ b/src/arch/i386/lib/printk_init.c
@@ -0,0 +1,46 @@
+/*
+ * blantantly copied from linux/kernel/printk.c
+ *
+ * Copyright (C) 1991, 1992 Linus Torvalds
+ *
+ * by yhlu moved from arch/ppc/lib/printk_init.c, removed the global variable console_loglevel
+ */
+#include <stdarg.h>
+#include <console/loglevel.h>
+
+/* printk's without a loglevel use this.. */
+#define DEFAULT_MESSAGE_LOGLEVEL 4 /* BIOS_WARNING */
+
+/* Keep together for sysctl support */
+/* Using an global varible can cause problem when we reset the stack from cache as ram to ram*/
+#if 0
+int console_loglevel = DEFAULT_CONSOLE_LOGLEVEL;
+#else
+#define console_loglevel ASM_CONSOLE_LOGLEVEL
+#endif
+
+extern int vtxprintf(void (*)(unsigned char), const char *, va_list);
+extern void uart8250_tx_byte(unsigned, unsigned char);
+
+void console_tx_byte(unsigned char byte)
+{
+ if (byte == '\n')
+ uart8250_tx_byte(TTYS0_BASE, '\r');
+ uart8250_tx_byte(TTYS0_BASE, byte);
+}
+
+int do_printk(int msg_level, const char *fmt, ...)
+{
+ va_list args;
+ int i;
+
+ if (msg_level >= console_loglevel) {
+ return 0;
+ }
+
+ va_start(args, fmt);
+ i = vtxprintf(console_tx_byte, fmt, args);
+ va_end(args);
+
+ return i;
+}
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