diff options
author | Yinghai Lu <yinghailu@gmail.com> | 2006-04-03 20:38:34 +0000 |
---|---|---|
committer | Yinghai Lu <yinghailu@gmail.com> | 2006-04-03 20:38:34 +0000 |
commit | 9a791dffeae2097aa0a18f645ce07acfed41b9bc (patch) | |
tree | 2d0359536fe3c1a0c313440b6be4ed09397dade9 /src/cpu/amd/car/copy_and_run.c | |
parent | ffb7d8a31ae899f611235cd0a7f3579d34cd8cde (diff) |
new cache_as_ram support
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2232 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/cpu/amd/car/copy_and_run.c')
-rw-r--r-- | src/cpu/amd/car/copy_and_run.c | 22 |
1 files changed, 5 insertions, 17 deletions
diff --git a/src/cpu/amd/car/copy_and_run.c b/src/cpu/amd/car/copy_and_run.c index 55068c5511..68e9e35482 100644 --- a/src/cpu/amd/car/copy_and_run.c +++ b/src/cpu/amd/car/copy_and_run.c @@ -37,7 +37,7 @@ static inline void print_debug_cp_run(const char *strval, uint32_t val) #endif } -static void copy_and_run(unsigned cpu_reset) +static void copy_and_run(void) { uint8_t *src, *dst; unsigned long ilen = 0, olen = 0, last_m_off = 1; @@ -54,7 +54,7 @@ static void copy_and_run(unsigned cpu_reset) "subl %1, %2\n\t" : "=a" (src), "=b" (dst), "=c" (olen) ); - memcpy(src, dst, olen); + memcpy(dst, src, olen); #else __asm__ volatile ( @@ -65,14 +65,13 @@ static void copy_and_run(unsigned cpu_reset) print_debug_cp_run("src=",(uint32_t)src); print_debug_cp_run("dst=",(uint32_t)dst); - -// dump_mem(src, src+0x100); for(;;) { unsigned int m_off, m_len; while(GETBIT(bb, src, ilen)) { dst[olen++] = src[ilen++]; } + m_off = 1; do { m_off = m_off*2 + GETBIT(bb, src, ilen); @@ -109,24 +108,13 @@ static void copy_and_run(unsigned cpu_reset) } } #endif -// dump_mem(dst, dst+0x100); print_debug_cp_run("linxbios_ram.bin length = ", olen); print_debug("Jumping to LinuxBIOS.\r\n"); - if(cpu_reset == 1 ) { - __asm__ volatile ( - "movl $0xffffffff, %ebp\n\t" - ); - } - else { - __asm__ volatile ( - "xorl %ebp, %ebp\n\t" - ); - } - - __asm__ volatile ( + __asm__ volatile ( + "xorl %ebp, %ebp\n\t" /* cpu_reset for hardwaremain dummy */ "cli\n\t" "leal _iseg, %edi\n\t" "jmp *%edi\n\t" |