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-rw-r--r--src/lib/clog2.c18
-rw-r--r--src/lib/compute_ip_checksum.c53
-rw-r--r--src/lib/delay.c15
-rw-r--r--src/lib/fallback_boot.c25
-rw-r--r--src/lib/malloc.c52
-rw-r--r--src/lib/memcmp.c17
-rw-r--r--src/lib/memcpy.c11
-rw-r--r--src/lib/memset.c12
-rw-r--r--src/lib/uart8250.c64
-rw-r--r--src/lib/version.c62
10 files changed, 329 insertions, 0 deletions
diff --git a/src/lib/clog2.c b/src/lib/clog2.c
new file mode 100644
index 0000000000..092b49c821
--- /dev/null
+++ b/src/lib/clog2.c
@@ -0,0 +1,18 @@
+#include <console/console.h>
+
+unsigned long log2(unsigned long x)
+{
+ // assume 8 bits per byte.
+ unsigned long i = 1 << (sizeof(x)*8 - 1);
+ unsigned long pow = sizeof(x) * 8 - 1;
+
+ if (! x) {
+ printk_warning("%s called with invalid parameter of 0\n",
+ __FUNCTION__);
+ return -1;
+ }
+ for(; i > x; i >>= 1, pow--)
+ ;
+
+ return pow;
+}
diff --git a/src/lib/compute_ip_checksum.c b/src/lib/compute_ip_checksum.c
new file mode 100644
index 0000000000..0b8eb90f85
--- /dev/null
+++ b/src/lib/compute_ip_checksum.c
@@ -0,0 +1,53 @@
+#include <stdint.h>
+#include <ip_checksum.h>
+
+unsigned long compute_ip_checksum(void *addr, unsigned long length)
+{
+ uint8_t *ptr;
+ volatile union {
+ uint8_t byte[2];
+ uint16_t word;
+ } value;
+ unsigned long sum;
+ 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;
+}
+
+unsigned long add_ip_checksums(unsigned long offset, unsigned long sum, unsigned long new)
+{
+ unsigned long checksum;
+ sum = ~sum & 0xFFFF;
+ new = ~new & 0xFFFF;
+ if (offset & 1) {
+ /* byte swap the sum if it came from an odd offset
+ * since the computation is endian independant this
+ * works.
+ */
+ new = ((new >> 8) & 0xff) | ((new << 8) & 0xff00);
+ }
+ checksum = sum + new;
+ if (checksum > 0xFFFF) {
+ checksum -= 0xFFFF;
+ }
+ return (~checksum) & 0xFFFF;
+}
diff --git a/src/lib/delay.c b/src/lib/delay.c
new file mode 100644
index 0000000000..af5f78613e
--- /dev/null
+++ b/src/lib/delay.c
@@ -0,0 +1,15 @@
+#include <delay.h>
+void mdelay(int msecs)
+{
+ int i;
+ for(i = 0; i < msecs; i++) {
+ udelay(1000);
+ }
+}
+void delay(int secs)
+{
+ int i;
+ for(i = 0; i < secs; i++) {
+ mdelay(1000);
+ }
+}
diff --git a/src/lib/fallback_boot.c b/src/lib/fallback_boot.c
new file mode 100644
index 0000000000..1bddd0a169
--- /dev/null
+++ b/src/lib/fallback_boot.c
@@ -0,0 +1,25 @@
+#include <console/console.h>
+#include <part/fallback_boot.h>
+#include <pc80/mc146818rtc.h>
+#include <arch/io.h>
+
+void boot_successful(void)
+{
+ /* Remember I succesfully booted by setting
+ * the initial boot direction
+ * to the direction that I booted.
+ */
+ unsigned char index, byte;
+ index = inb(RTC_PORT(0)) & 0x80;
+ index |= RTC_BOOT_BYTE;
+ outb(index, RTC_PORT(0));
+
+ byte = inb(RTC_PORT(1));
+ byte &= 0xfe;
+ byte |= (byte & 2) >> 1;
+
+ /* If we are in normal mode set the boot count to 0 */
+ if(byte & 1)
+ byte &= 0x0f;
+ outb(byte, RTC_PORT(1));
+}
diff --git a/src/lib/malloc.c b/src/lib/malloc.c
new file mode 100644
index 0000000000..bd403e47e9
--- /dev/null
+++ b/src/lib/malloc.c
@@ -0,0 +1,52 @@
+#include <stdlib.h>
+#include <console/console.h>
+
+#if 0
+#define MALLOCDBG(x)
+#else
+#define MALLOCDBG(x) printk_spew x
+#endif
+extern unsigned char _heap, _eheap;
+static size_t free_mem_ptr = (size_t)&_heap; /* Start of heap */
+static size_t free_mem_end_ptr = (size_t)&_eheap; /* End of heap */
+
+
+void malloc_mark(malloc_mark_t *place)
+{
+ *place = free_mem_ptr;
+ printk_spew("malloc_mark 0x%08lx\n", (unsigned long)free_mem_ptr);
+}
+
+void malloc_release(malloc_mark_t *ptr)
+{
+ free_mem_ptr = *ptr;
+ printk_spew("malloc_release 0x%08lx\n", (unsigned long)free_mem_ptr);
+}
+
+void *malloc(size_t size)
+{
+ void *p;
+
+ MALLOCDBG(("%s Enter, size %d, free_mem_ptr %p\n", __FUNCTION__, size, free_mem_ptr));
+ if (size < 0)
+ die("Error! malloc: Size < 0");
+ if (free_mem_ptr <= 0)
+ die("Error! malloc: Free_mem_ptr <= 0");
+
+ free_mem_ptr = (free_mem_ptr + 3) & ~3; /* Align */
+
+ p = (void *) free_mem_ptr;
+ free_mem_ptr += size;
+
+ if (free_mem_ptr >= free_mem_end_ptr)
+ die("Error! malloc: Free_mem_ptr >= free_mem_end_ptr");
+
+ MALLOCDBG(("malloc 0x%08lx\n", (unsigned long)p));
+
+ return p;
+}
+
+void free(void *where)
+{
+ /* Don't care */
+}
diff --git a/src/lib/memcmp.c b/src/lib/memcmp.c
new file mode 100644
index 0000000000..46f13a41bd
--- /dev/null
+++ b/src/lib/memcmp.c
@@ -0,0 +1,17 @@
+#include <string.h>
+
+int memcmp(const void *src1, const void *src2, size_t bytes)
+{
+ const unsigned char *s1, *s2;
+ int result;
+ s1 = src1;
+ s2 = src2;
+ result = 0;
+ while((bytes > 0) && (result == 0)) {
+ result = *s1 - *s2;
+ bytes--;
+ s1++;
+ s2++;
+ }
+ return result;
+}
diff --git a/src/lib/memcpy.c b/src/lib/memcpy.c
new file mode 100644
index 0000000000..ad8e8bd3f0
--- /dev/null
+++ b/src/lib/memcpy.c
@@ -0,0 +1,11 @@
+#include <string.h>
+void *memcpy(void *__dest, __const void *__src, size_t __n)
+{
+ int i;
+ char *d = (char *) __dest, *s = (char *) __src;
+
+ for (i = 0; i < __n; i++)
+ d[i] = s[i];
+
+ return __dest;
+}
diff --git a/src/lib/memset.c b/src/lib/memset.c
new file mode 100644
index 0000000000..c1bb4f841f
--- /dev/null
+++ b/src/lib/memset.c
@@ -0,0 +1,12 @@
+#include <string.h>
+
+void *memset(void *s, int c, size_t n)
+{
+ int i;
+ char *ss = (char *) s;
+
+ for (i = 0; i < n; i++)
+ ss[i] = c;
+
+ return s;
+}
diff --git a/src/lib/uart8250.c b/src/lib/uart8250.c
new file mode 100644
index 0000000000..778919b7ff
--- /dev/null
+++ b/src/lib/uart8250.c
@@ -0,0 +1,64 @@
+#ifndef lint
+static char rcsid[] = "$Id$";
+#endif
+
+/* Should support 8250, 16450, 16550, 16550A type uarts */
+#include <arch/io.h>
+#include <uart8250.h>
+
+/* Data */
+#define UART_RBR 0x00
+#define UART_TBR 0x00
+
+/* Control */
+#define UART_IER 0x01
+#define UART_IIR 0x02
+#define UART_FCR 0x02
+#define UART_LCR 0x03
+#define UART_MCR 0x04
+#define UART_DLL 0x00
+#define UART_DLM 0x01
+
+/* Status */
+#define UART_LSR 0x05
+#define UART_MSR 0x06
+#define UART_SCR 0x07
+
+static inline int uart8250_can_tx_byte(unsigned base_port)
+{
+ return inb(base_port + UART_LSR) & 0x20;
+}
+
+static inline void uart8250_wait_to_tx_byte(unsigned base_port)
+{
+ while(!uart8250_can_tx_byte(base_port))
+ ;
+}
+
+static inline void uart8250_wait_until_sent(unsigned base_port)
+{
+ while(!(inb(base_port + UART_LSR) & 0x40))
+ ;
+}
+
+void uart8250_tx_byte(unsigned base_port, unsigned char data)
+{
+ uart8250_wait_to_tx_byte(base_port);
+ outb(data, base_port + UART_TBR);
+ /* Make certain the data clears the fifos */
+ uart8250_wait_until_sent(base_port);
+}
+
+void uart8250_init(unsigned base_port, unsigned divisor, unsigned lcs)
+{
+ lcs &= 0x7f;
+ /* disable interrupts */
+ outb(0x0, base_port + UART_IER);
+ /* enable fifo's */
+ outb(0x01, base_port + UART_FCR);
+ /* Set Baud Rate Divisor to 12 ==> 115200 Baud */
+ outb(0x80 | lcs, base_port + UART_LCR);
+ outb(divisor & 0xFF, base_port + UART_DLL);
+ outb((divisor >> 8) & 0xFF, base_port + UART_DLM);
+ outb(lcs, base_port + UART_LCR);
+}
diff --git a/src/lib/version.c b/src/lib/version.c
new file mode 100644
index 0000000000..73d52ca843
--- /dev/null
+++ b/src/lib/version.c
@@ -0,0 +1,62 @@
+#include <version.h>
+
+#define __STR(X) #X
+#define STR(X) __STR(X)
+
+#ifndef MAINBOARD_VENDOR
+#error MAINBOARD_VENDOR not defined
+#endif
+#ifndef MAINBOARD_PART_NUMBER
+#error MAINBOARD_PART_NUMBER not defined
+#endif
+
+#ifndef LINUXBIOS_VERSION
+#error LINUXBIOS_VERSION not defined
+#endif
+#ifndef LINUXBIOS_BUILD
+#error LINUXBIOS_BUILD not defined
+#endif
+
+#ifndef LINUXBIOS_COMPILE_TIME
+#error LINUXBIOS_COMPILE_TIME not defined
+#endif
+#ifndef LINUXBIOS_COMPILE_BY
+#error LINUXBIOS_COMPILE_BY not defined
+#endif
+#ifndef LINUXBIOS_COMPILE_HOST
+#error LINUXBIOS_COMPILE_HOST not defined
+#endif
+
+#ifndef LINUXBIOS_COMPILER
+#error LINUXBIOS_COMPILER not defined
+#endif
+#ifndef LINUXBIOS_LINKER
+#error LINUXBIOS_LINKER not defined
+#endif
+#ifndef LINUXBIOS_ASSEMBLER
+#error LINUXBIOS_ASSEMBLER not defined
+#endif
+
+
+#ifndef LINUXBIOS_EXTRA_VERSION
+#define LINUXBIOS_EXTRA_VERSION
+#endif
+
+const char mainboard_vendor[] = STR(MAINBOARD_VENDOR);
+const char mainboard_part_number[] = STR(MAINBOARD_PART_NUMBER);
+
+const char linuxbios_version[] = STR(LINUXBIOS_VERSION);
+const char linuxbios_extra_version[] = STR(LINUXBIOS_EXTRA_VERSION);
+const char linuxbios_build[] = STR(LINUXBIOS_BUILD);
+
+const char linuxbios_compile_time[] = STR(LINUXBIOS_COMPILE_TIME);
+const char linuxbios_compile_by[] = STR(LINUXBIOS_COMPILE_BY);
+const char linuxbios_compile_host[] = STR(LINUXBIOS_COMPILE_HOST);
+const char linuxbios_compile_domain[] = STR(LINUXBIOS_COMPILE_DOMAIN);
+const char linuxbios_compiler[] = STR(LINUXBIOS_COMPILER);
+const char linuxbios_linker[] = STR(LINUXBIOS_LINKER);
+const char linuxbios_assembler[] = STR(LINUXBIOS_ASSEMBLER);
+
+
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 15:59:28 +0000