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arch/x86: Add exception reporting code for Intel64

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Fleshed out z_arch_esf_t and added code to build this frame when
exceptions occur. Created a separate small stack for exceptions and
shifted the initialization code to use this instead of the IRQ stack.

Moved IRQ stack(s) to irq.c.

Signed-off-by: Charles E. Youse <charles.youse@intel.com>
This commit is contained in:
Charles E. Youse 2019-07-15 13:18:36 -07:00 • committed by Andrew Boie
commit cdb9ac3895
7 changed files with 135 additions and 33 deletions
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41
arch/x86/core/intel64/fatal.c Normal file
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/*
* Copyright (c) 2019 Intel Corporation
* SPDX-License-Identifier: Apache-2.0
*/
#include <kernel.h>
#include <ksched.h>
#include <kernel_structs.h>
#include <kernel_internal.h>
#include <logging/log.h>
LOG_MODULE_DECLARE(os);
void z_x86_fatal_error(unsigned int reason, const z_arch_esf_t *esf)
{
if (esf != NULL) {
LOG_ERR("RIP=%016lx RSP=%016lx RFLAGS=%016lx\n",
esf->rip, esf->rsp, esf->rflags);
LOG_ERR("RAX=%016lx RBX=%016lx RCX=%016lx RDX=%016lx\n",
esf->rax, esf->rbx, esf->rcx, esf->rdx);
LOG_ERR("RSI=%016lx RDI=%016lx RBP=%016lx RSP=%016lx\n",
esf->rsi, esf->rdi, esf->rbp, esf->rsp);
LOG_ERR("R8=%016lx R9=%016lx R10=%016lx R11=%016lx\n",
esf->r8, esf->r9, esf->r10, esf->r11);
LOG_ERR("R12=%016lx R13=%016lx R14=%016lx R15=%016lx\n",
esf->r12, esf->r13, esf->r14, esf->r15);
}
z_fatal_error(reason, esf);
}
void z_x86_exception(const z_arch_esf_t *esf)
{
LOG_ERR("** CPU Exception %ld (code %ld/0x%lx) **\n",
esf->vector, esf->code, esf->code);
z_x86_fatal_error(K_ERR_CPU_EXCEPTION, esf);
}