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x86: report CR3 on fatal exception

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Lets us know what set of page tables were in use when
the error occurred.

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
This commit is contained in:
Andrew Boie 2019-07-29 17:14:25 -07:00 • committed by Carles Cufí
commit 0c3e05ae7c
1 changed files with 2 additions and 2 deletions
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4
arch/x86/core/ia32/fatal.c
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@ -136,8 +136,8 @@ FUNC_NORETURN void z_x86_fatal_error(unsigned int reason, const z_arch_esf_t *es
esf->eax, esf->ebx, esf->ecx, esf->edx); esf->eax, esf->ebx, esf->ecx, esf->edx);
z_fatal_print("esi: 0x%08x, edi: 0x%08x, ebp: 0x%08x, esp: 0x%08x", z_fatal_print("esi: 0x%08x, edi: 0x%08x, ebp: 0x%08x, esp: 0x%08x",
esf->esi, esf->edi, esf->ebp, esf->esp); esf->esi, esf->edi, esf->ebp, esf->esp);
z_fatal_print("eflags: 0x%08x cs: 0x%04x", esf->eflags, z_fatal_print("eflags: 0x%08x cs: 0x%04x cr3: %p", esf->eflags,
esf->cs & 0xFFFFU); esf->cs & 0xFFFFU, z_x86_page_tables_get());
#ifdef CONFIG_EXCEPTION_STACK_TRACE #ifdef CONFIG_EXCEPTION_STACK_TRACE
z_fatal_print("call trace:"); z_fatal_print("call trace:");