mirrors/Astral
1
0
Fork 0
mirror of https://github.com/Mathewnd/Astral.git synced 2026-10-27 12:48:22 +00:00
Code Issues Packages Projects Releases Wiki Activity

interrupts: simd exception

Browse Source
This commit is contained in:
Matheus
2022-09-23 21:36:37 -03:00
parent 364e620ce9
commit bedd2f625e
5 changed files with 19 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/arch/x86_64/idt.c
+4 -2
View File
@@ -41,16 +41,18 @@ void idt_bspinit(){
for(size_t i = 0; i < 256; ++i){
idt_setentry(&idt[i], asmisr_general, 0x28, FLAGS_PRESENT | FLAGS_TYPE_INTERRUPT, 0);
}
// set error code pushers as exceptions
idt_setentry(&idt[VECTOR_DOUBLEFAULT], asmisr_except, 0x28, FLAGS_PRESENT | FLAGS_TYPE_INTERRUPT, 0);
idt_setentry(&idt[VECTOR_GPF], asmisr_except, 0x28, FLAGS_PRESENT | FLAGS_TYPE_INTERRUPT, 0);
idt_setentry(&idt[VECTOR_INVALIDTSS], asmisr_except, 0x28, FLAGS_PRESENT | FLAGS_TYPE_INTERRUPT, 0);
idt_setentry(&idt[VECTOR_SEGMENTNOTPRESENT], asmisr_except, 0x28, FLAGS_PRESENT | FLAGS_TYPE_INTERRUPT, 0);
idt_setentry(&idt[VECTOR_STACK], asmisr_except, 0x28, FLAGS_PRESENT | FLAGS_TYPE_INTERRUPT, 0);
idt_setentry(&idt[VECTOR_SIMD], asmisr_simd, 0x28, FLAGS_PRESENT | FLAGS_TYPE_INTERRUPT, 0);
idt_setentry(&idt[VECTOR_PF], asmisr_pagefault, 0x28, FLAGS_PRESENT | FLAGS_TYPE_INTERRUPT, 0);
idt_setentry(&idt[VECTOR_PANIC], asmisr_panic, 0x28, FLAGS_PRESENT | FLAGS_TYPE_INTERRUPT, 0);
src/arch/x86_64/include/arch/idt.h
+2
View File
@@ -24,6 +24,8 @@
#define VECTOR_GPF 13
#define VECTOR_PF 14
#define VECTOR_SIMD 0x13
#define VECTOR_PANIC 0x20
#define VECTOR_LAPICNMI 0x21
#define VECTOR_MMUINVAL 0x22
src/arch/x86_64/include/arch/isr.h
+1
View File
@@ -12,5 +12,6 @@ extern void asmisr_lapicnmi();
extern void asmisr_mmuinval();
extern void asmisr_ps2kbd();
extern void asmisr_timer();
extern void asmisr_simd();
#endif
src/arch/x86_64/isr.asm
+1
View File
@@ -157,3 +157,4 @@ isr asmisr_lapicnmi, isr_lapicnmi
isr asmisr_mmuinval, isr_mmuinval
isr asmisr_ps2kbd, isr_ps2kbd
isr asmisr_timer, isr_timer
isr asmisr_simd, isr_simd
src/arch/x86_64/isr.c
+11 -2
View File
@@ -4,14 +4,23 @@
#include <arch/apic.h>
#include <kernel/timer.h>
void isr_simd(arch_regs *reg){
uint64_t mxcsr;
asm volatile("stmxcsr (%%rax)" : : "a"(&mxcsr));
printf("SIMD: %p\n", mxcsr);
_panic("SIMD exception", reg);
}
void isr_general(arch_regs *reg){
_panic("Unhandled interrupt", reg);
asm("hlt");
}
void isr_except(arch_regs *reg){
_panic("CPU Exception", reg);
asm("hlt;");
}
void isr_pagefault(arch_regs *reg){