diff options
Diffstat (limited to 'kernel/src/arch/x86_64/panic.cpp')
| -rw-r--r-- | kernel/src/arch/x86_64/panic.cpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/kernel/src/arch/x86_64/panic.cpp b/kernel/src/arch/x86_64/panic.cpp new file mode 100644 index 0000000..0ae6697 --- /dev/null +++ b/kernel/src/arch/x86_64/panic.cpp @@ -0,0 +1,44 @@ +#include <klibc/stdio.hpp> +#include <arch/x86_64/panic.hpp> +#include <arch/x86_64/cpu/idt.hpp> +#include <generic/arch.hpp> + +void print_regs(x86_64::idt::int_frame_t* ctx) { + uint64_t cr2; + asm volatile("mov %%cr2, %0" : "=r"(cr2) : : "memory"); + klibc::printf("Kernel panic\n\nReason: %s\n\r","cpu exception"); + klibc::printf("RAX: 0x%016llX RBX: 0x%016llX RDX: 0x%016llX RCX: 0x%016llX RDI: 0x%016llX\n\r" + "RSI: 0x%016llX R8: 0x%016llX R9: 0x%016llX R10: 0x%016llX R11: 0x%016llX\n\r" + "R12: 0x%016llX R13: 0x%016llX R14: 0x%016llX R15: 0x%016llX RBP: 0x%016llX\n\r" + "RSP: 0x%016llX CR2: 0x%016llX CR3: 0x%016llX\n\r" + "Vec: %d Err: %d cs: %p ss: %p\n\r", + ctx->rax, ctx->rbx, ctx->rdx, ctx->rcx, ctx->rdi, + ctx->rsi, ctx->r8, ctx->r9, ctx->r10, ctx->r11, + ctx->r12, ctx->r13, ctx->r14, ctx->r15, ctx->rbp, + ctx->rsp, cr2, ctx->cr3, ctx->vec, ctx->err_code, ctx->cs,ctx->ss); + klibc::printf("\n\r Stacktrace\n\r\n\r"); + + stackframe_t* rbp = (stackframe_t*)ctx->rbp; + + klibc::printf("[0] - 0x%016llX (current rip)\n\r",ctx->rip); + for (int i = 1; i < 5 && rbp; ++i) { + std::uint64_t ret_addr = rbp->rip; + klibc::printf("[%d] - 0x%016llX\n\r", i, ret_addr); + rbp = (stackframe_t*)rbp->rbp; + } + +} + +std::uint8_t gaster[] = { +#embed "src/gaster.txt" +}; + +void print_ascii_art() { + klibc::printf("%s\n",gaster); +} + +extern "C" void CPUKernelPanic(x86_64::idt::int_frame_t* frame) { + print_ascii_art(); + print_regs(frame); + arch::hcf(); +}
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