diff options
| author | Paul Menzel <pmenzel@molgen.mpg.de> | 2019-06-24 18:44:33 +0200 |
|---|---|---|
| committer | Philipp Deppenwiese <zaolin.daisuki@gmail.com> | 2020-07-05 19:56:09 +0000 |
| commit | 6663ad99cf36f53f454defc8f7e87eb2e7495255 (patch) | |
| tree | 818e3c711d8c316c96915dff63da535f139cff7d /src/arch/x86/exception.c | |
| parent | d9c6862809ca95712e18b967a1fefc24cb607a06 (diff) | |
arch/x86: Support x86_64 exceptions
* Doesn't affect existing x86_32 code.
Tested on qemu using division by zero.
Tested on Lenovo T410 with additional x86_64 patches.
Change-Id: Idd12c90a95cc2989eb9b2a718740a84222193f48
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/30117
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Diffstat (limited to 'src/arch/x86/exception.c')
| -rw-r--r-- | src/arch/x86/exception.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/src/arch/x86/exception.c b/src/arch/x86/exception.c index 46ba370cdf..318a219ac9 100644 --- a/src/arch/x86/exception.c +++ b/src/arch/x86/exception.c @@ -489,12 +489,38 @@ void x86_exception(struct eregs *info) put_packet(out_buffer); } #else /* !CONFIG_GDB_STUB */ -#define MDUMP_SIZE 0x80 + int logical_processor = 0; #if ENV_RAMSTAGE logical_processor = cpu_index(); #endif + u8 *code; +#ifdef __x86_64__ +#define MDUMP_SIZE 0x100 + printk(BIOS_EMERG, + "CPU Index %d - APIC %d Unexpected Exception:\n" + "%lld @ %02llx:%016llx - Halting\n" + "Code: %lld rflags: %016llx cr2: %016llx\n" + "rax: %016llx rbx: %016llx\n" + "rcx: %016llx rdx: %016llx\n" + "rdi: %016llx rsi: %016llx\n" + "rbp: %016llx rsp: %016llx\n" + "r08: %016llx r09: %016llx\n" + "r10: %016llx r11: %016llx\n" + "r12: %016llx r13: %016llx\n" + "r14: %016llx r15: %016llx\n", + logical_processor, (unsigned int)lapicid(), + info->vector, info->cs, info->rip, + info->error_code, info->rflags, read_cr2(), + info->rax, info->rbx, info->rcx, info->rdx, + info->rdi, info->rsi, info->rbp, info->rsp, + info->r8, info->r9, info->r10, info->r11, + info->r12, info->r13, info->r14, info->r15); + code = (u8 *)((uintptr_t)info->rip - (MDUMP_SIZE >> 2)); +#else +#define MDUMP_SIZE 0x80 + printk(BIOS_EMERG, "CPU Index %d - APIC %d Unexpected Exception:" "%d @ %02x:%08x - Halting\n" @@ -506,7 +532,8 @@ void x86_exception(struct eregs *info) info->error_code, info->eflags, read_cr2(), info->eax, info->ebx, info->ecx, info->edx, info->edi, info->esi, info->ebp, info->esp); - u8 *code = (u8 *)((uintptr_t)info->eip - (MDUMP_SIZE >> 1)); + code = (u8 *)((uintptr_t)info->eip - (MDUMP_SIZE >> 1)); +#endif /* Align to 8-byte boundary please, and print eight bytes per row. * This is done to make DRAM burst timing/reordering errors more * evident from the looking at the dump */ |