From 22df3f473c00946e5c814de7e274ad72cc7b4910 Mon Sep 17 00:00:00 2001
From: trimill <trimill@trimillxyz.org>
Date: Sat, 3 Feb 2024 21:40:17 -0500
Subject: print registers on fatal exception

---
 src/arch/amd64/cpu/debugger.c | 111 ++----------------------------------------
 1 file changed, 3 insertions(+), 108 deletions(-)

(limited to 'src/arch/amd64/cpu/debugger.c')

diff --git a/src/arch/amd64/cpu/debugger.c b/src/arch/amd64/cpu/debugger.c
index 48c4740..57b90d5 100644
--- a/src/arch/amd64/cpu/debugger.c
+++ b/src/arch/amd64/cpu/debugger.c
@@ -4,69 +4,8 @@
 #include <serial.h>
 
 #include "debugger.h"
-
-struct dr6 {
-	uint64_t b0 : 1,
-	         b1 : 1,
-	         b2 : 1,
-	         b3 : 1,
-	         : 7,
-	         bld : 1,
-	         : 1,
-	         bd : 1,
-	         bs : 1,
-	         bt : 1,
-	         rtm : 1,
-	         : 47;
-};
-
-struct dr7 {
-	uint64_t l0 : 1,
-	         g0 : 1,
-	         l1 : 1,
-	         g1 : 1,
-	         l2 : 1,
-	         g2 : 1,
-	         l3 : 1,
-	         g3 : 1,
-	         : 8,
-	         rw0 : 2,
-	         len0 : 2,
-	         rw1 : 2,
-	         len1 : 2,
-	         rw2 : 2,
-	         len2 : 2,
-	         rw3 : 2,
-	         len3 : 2,
-	         : 32;
-};
-
-struct rflags {
-	uint64_t cf : 1,
-	         : 1,
-	         pf : 1,
-	         : 1,
-	         af : 1,
-	         : 1,
-	         zf : 1,
-	         sf : 1,
-
-	         tf : 1,
-	         if_ : 1,
-	         df : 1,
-	         of : 1,
-	         iopl : 2,
-	         nt : 1,
-	         md : 1,
-
-	         rf : 1,
-	         vm : 1,
-	         ac : 1,
-	         vif : 1,
-	         vip : 1,
-	         id : 1,
-	         : 42;
-};
+#include "registers.h"
+#include "idt.h"
 
 struct breakpoint {
 	uint64_t addr;
@@ -138,50 +77,6 @@ static void debugger_msg(int cause, struct dr6 dr6) {
 	kputs("\n");
 }
 
-static void debugger_print_regs(struct isr_regs *state) {
-	kprintf("rax: %#016lx (%lu)\n", state->rax, state->rax);
-	kprintf("rbx: %#016lx (%lu)\n", state->rbx, state->rbx);
-	kprintf("rcx: %#016lx (%lu)\n", state->rcx, state->rcx);
-	kprintf("rdx: %#016lx (%lu)\n", state->rdx, state->rdx);
-	kprintf("rsi: %#016lx (%lu)\n", state->rsi, state->rsi);
-	kprintf("rdi: %#016lx (%lu)\n", state->rdi, state->rdi);
-	kprintf("rsp: %#016lx (%lu)\n", state->rsp, state->rsp);
-	kprintf("rbp: %#016lx (%lu)\n", state->rbp, state->rbp);
-	kprintf("r8 : %#016lx (%lu)\n", state->r8 , state->r8 );
-	kprintf("r9 : %#016lx (%lu)\n", state->r9 , state->r9 );
-	kprintf("r10: %#016lx (%lu)\n", state->r10, state->r10);
-	kprintf("r11: %#016lx (%lu)\n", state->r11, state->r11);
-	kprintf("r12: %#016lx (%lu)\n", state->r12, state->r12);
-	kprintf("r13: %#016lx (%lu)\n", state->r13, state->r13);
-	kprintf("r14: %#016lx (%lu)\n", state->r14, state->r14);
-	kprintf("r15: %#016lx (%lu)\n", state->r15, state->r15);
-	kputs("---\n");
-	kprintf("rip: %#016lx (%lu)\n", state->rip, state->rip);
-	kputs("---\n");
-	kprintf("rflags: %#016lx (%lu)\n", state->rflags, state->rflags);
-	struct rflags *rflags = (struct rflags *)state->rflags;
-	kputs("rflags: ");
-	if (rflags->cf)   kputs("CF ");
-	if (rflags->pf)   kputs("PF ");
-	if (rflags->af)   kputs("AF ");
-	if (rflags->zf)   kputs("ZF ");
-	if (rflags->sf)   kputs("SF ");
-	if (rflags->tf)   kputs("TF ");
-	if (rflags->if_)  kputs("IF ");
-	if (rflags->df)   kputs("DF ");
-	if (rflags->of)   kputs("OF ");
-	if (rflags->iopl) kputs("IOPL ");
-	if (rflags->nt)   kputs("NT ");
-	if (rflags->md)   kputs("MD ");
-	if (rflags->rf)   kputs("RF ");
-	if (rflags->vm)   kputs("VM ");
-	if (rflags->ac)   kputs("AC ");
-	if (rflags->vif)  kputs("VIF ");
-	if (rflags->vip)  kputs("VIP ");
-	if (rflags->id)   kputs("ID ");
-	kputs("\n");
-}
-
 #define PROMPT_LEN 60
 
 static int debugger_handle_bkp_cmd(char *msg) {
@@ -324,7 +219,7 @@ static int debugger_prompt(struct isr_regs *state) {
 		dbg_continue = 1;
 		return 0;
 	case 'r': // print registers
-		debugger_print_regs(state);
+		isr_print_regs(state);
 		return 1;
 	case 'k': // backtrace
 		log_backtrace_ex((void *)state->rip, (void *)state->rbp);
-- 
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