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[INTERRUPTS] Exception handling

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This commit is contained in:
Thomas Lovén
2016-11-20 11:26:32 +01:00
parent 0120df249e
commit 5dd42d26ae
11 changed files with 309 additions and 3 deletions
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14
kernel/boot/debug.c
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@@ -1,9 +1,11 @@
#include <debug.h>
#include <int.h>
#include <stdarg.h>
#include <stdint.h>
#include <string.h>
#include <vga.h>
#include <serial.h>
#include <registers.h>
void debug_init()
{
@@ -130,3 +132,15 @@ void debug_printf(char *str, ...)
debug_vprintf(str, args);
va_end(args);
}
void print_registers(registers_t *r)
{
debug("Num:%x Error:%x\n", r->int_no, r->err_code);
debug("RAX:%x RBX:%x RCX:%x RDX:%x\n", r->rax, r->rbx, r->rcx, r->rdx);
debug("RSI:%x RDI:%x RBP:%x RSP:%x\n", r->rsi, r->rdi, r->rbp, r->rsp);
debug("R8:%x R9:%x R10:%x R11:%x\n", r->r8, r->r9, r->r10, r->r11);
debug("R12:%x R13:%x R14:%x R15:%x\n", r->r12, r->r13, r->r14, r->r15);
debug("RIP:%x RFL:%x\n", r->rip, r->rflags);
debug("CS:%x SS:%x\n", r->cs, r->ss);
debug("CR0:%x CR2:%x CR3:%x CR4:%x\n", read_cr0(), read_cr2(), read_cr3(), read_cr4());
}

8
kernel/boot/kmain.c
View File

@@ -1,4 +1,5 @@
#include <debug.h>
#include <int.h>
#include <multiboot.h>
#include <mem.h>
@@ -8,8 +9,15 @@ int kmain(uint64_t multiboot_magic, void *multiboot_data)
debug_ok("MITTOS64 kernel booted\n");
debug_build_time();
debug_git_info();
interrupt_init();
multiboot_init(multiboot_magic, P2V(multiboot_data));
debug_info("BOOT COMPLETE\n");
// Cause a divide-by-zero exception
int a = 5, b = 0;
int c = a/b;
(void)c;
for(;;)asm("hlt");
}