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runtime, interrupt: print to screen on errors, print CR2 on panic

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CR2 is the last accessed address set on page exceptions
This commit is contained in:
Edgaru089
2021-11-11 16:18:47 +08:00
parent c0c2c12493
commit ec808e5e2e
4 changed files with 53 additions and 13 deletions
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8
interrupt/handler.c
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@ -59,12 +59,16 @@ const char *interrupt_Descriptions[] = {
*/
SYSV_ABI void interrupt_Handler(int vec, int errcode, uint64_t rip, uint64_t rax, uint64_t rbx, uint64_t rcx, uint64_t rdx, uint64_t rsi, uint64_t rdi, uint64_t rbp, uint64_t rsp, uint64_t r8, uint64_t r9, uint64_t r10, uint64_t r11, uint64_t r12, uint64_t r13, uint64_t r14, uint64_t r15) {
io_Printf("Panic: INT %02xh: %s, err=%d(0x%02x), rip=%llx\n"
asm volatile("cli");
uint64_t cr2;
asm volatile("mov %%cr2, %0"
: "=r"(cr2));
io_Errorf("Panic: INT %02xh: %s, err=%d(0x%02x), RIP=%llx, CR2=%llx\n"
" RAX=%016llX, RBX=%016llX, RCX=%016llX, RDX=%016llX\n"
" RSI=%016llX, RDI=%016llX, RBP=%016llX, RSP=%016llX\n"
" R8=%016llX, R9=%016llX, R10=%016llX, R11=%016llX\n"
" R12=%016llX, R13=%016llX, R14=%016llX, R15=%016llX",
vec, interrupt_Descriptions[vec], errcode, errcode, rip, rax, rbx, rcx, rdx, rsi, rdi, rbp, rsp, r8, r9, r10, r11, r12, r13, r14, r15);
vec, interrupt_Descriptions[vec], errcode, errcode, rip, cr2, rax, rbx, rcx, rdx, rsi, rdi, rbp, rsp, r8, r9, r10, r11, r12, r13, r14, r15);
__Panic_HaltSystem();
}