diff options
Diffstat (limited to 'src/cpu/amd/car/copy_and_run.c')
| -rw-r--r-- | src/cpu/amd/car/copy_and_run.c | 60 |
1 files changed, 58 insertions, 2 deletions
diff --git a/src/cpu/amd/car/copy_and_run.c b/src/cpu/amd/car/copy_and_run.c index 76b8a8b847..7471a53076 100644 --- a/src/cpu/amd/car/copy_and_run.c +++ b/src/cpu/amd/car/copy_and_run.c @@ -2,7 +2,6 @@ moved from nrv2v.c and some lines from crt0.S 2006/05/02 - stepan: move nrv2b to an extra file. */ - static inline void print_debug_cp_run(const char *strval, uint32_t val) { #if CONFIG_USE_INIT @@ -46,8 +45,13 @@ static void copy_and_run(void) print_debug_cp_run("src=",(uint32_t)src); print_debug_cp_run("dst=",(uint32_t)dst); - olen = unrv2b(src, dst); +// dump_mem(src, src+0x100); + + olen = unrv2b(src, dst, &ilen); + print_debug_cp_run("linxbios_ram.nrv2b length = ", ilen); + #endif +// dump_mem(dst, dst+0x100); print_debug_cp_run("linxbios_ram.bin length = ", olen); @@ -61,3 +65,55 @@ static void copy_and_run(void) ); } + +#if CONFIG_AP_CODE_IN_CAR == 1 + +static void copy_and_run_ap_code_in_car(unsigned ret_addr) +{ + uint8_t *src, *dst; + unsigned long ilen, olen; + +// print_debug("Copying LinuxBIOS AP code to CAR.\r\n"); + +#if !CONFIG_COMPRESS + __asm__ volatile ( + "leal _liseg_apc, %0\n\t" + "leal _iseg_apc, %1\n\t" + "leal _eiseg_apc, %2\n\t" + "subl %1, %2\n\t" + : "=a" (src), "=b" (dst), "=c" (olen) + ); + memcpy(dst, src, olen); +#else + + __asm__ volatile ( + "leal _liseg_apc, %0\n\t" + "leal _iseg_apc, %1\n\t" + : "=a" (src) , "=b" (dst) + ); + +// print_debug_cp_run("src=",(uint32_t)src); +// print_debug_cp_run("dst=",(uint32_t)dst); + +// dump_mem(src, src+0x100); + + olen = unrv2b(src, dst, &ilen); +// print_debug_cp_run("linxbios_apc.nrv2b length = ", ilen); + +#endif +// dump_mem(dst, dst+0x100); + +// print_debug_cp_run("linxbios_apc.bin length = ", olen); + +// print_debug("Jumping to LinuxBIOS AP code in CAR.\r\n"); + + __asm__ volatile ( + "movl %0, %%ebp\n\t" /* cpu_reset for hardwaremain dummy */ + "cli\n\t" + "leal _iseg_apc, %%edi\n\t" + "jmp *%%edi\n\t" + :: "a"(ret_addr) + ); + +} +#endif |