fix: correction de dump_regs
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parent
aace138efe
commit
debba65eba
29
lib/cpu.c
29
lib/cpu.c
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@ -3,6 +3,7 @@
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#include "cpuid.h"
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#include "cpuid.h"
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#include "memory.h"
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#include "memory.h"
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#include "string.h"
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#include "string.h"
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#include "asm.h"
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/* Technologies supportées */
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/* Technologies supportées */
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@ -114,10 +115,10 @@ u8 getcpuinfos(cpuinfo * proc)
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/* Retourne un élément de la pile */
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/* Retourne un élément de la pile */
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u32 viewstack(u32 number)
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u32 viewstack(u32 pointer)
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{
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{
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u32 stack = 0;
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u32 stack = 0;
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asm("movl %[a1],%%esi;" "addl %%esp,%%esi;" "movl (%%esi), %[a1] ;": [result] "=r"(stack): [a1] "r"(number):"%esi");
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asm("movl %[a1],%%ebp;" "movl (%%ebp), %[a1] ;": [result] "=r"(stack): [a1] "r"(pointer):"%ebp");
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return stack;
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return stack;
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}
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}
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@ -127,6 +128,7 @@ u32 viewstack(u32 number)
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void dump_regs()
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void dump_regs()
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{
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{
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cli();
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u32 eax = 0;
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u32 eax = 0;
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u32 ebx = 0;
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u32 ebx = 0;
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u32 ecx = 0;
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u32 ecx = 0;
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@ -149,12 +151,12 @@ void dump_regs()
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u32 eflags = 0;
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u32 eflags = 0;
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asm("movl %%eax, %[a1] ;" "movl %%ebx, %[b1] ;" "movl %%ecx, %[c1] ;" "movl %%edx, %[d1] ;" "movl %%esi, %[e1] ;" "movl %%edi, %[f1] ;" "movl %%esp, %[g1] ;" "movl %%ebp, %[h1] ;" "movw %%cs, %[i1] ;" "movw %%ds, %[j1] ;" "movw %%es, %[k1] ;" "movw %%fs, %[l1] ;" "movw %%gs, %[m1] ;" "movw %%ss, %[n1] ;" "mov %%cr0, %%eax ;" "mov %%eax, %[o1] ;" "mov %%cr2, %%eax ;" "mov %%eax, %[p1] ;" "mov %%cr3, %%eax ;" "mov %%eax, %[q1] ;" "mov %%cr4, %%eax ;" "mov %%eax,%[r1] ;":
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asm("movl %%eax, %[a1] ;" "movl %%ebx, %[b1] ;" "movl %%ecx, %[c1] ;" "movl %%edx, %[d1] ;" "movl %%esi, %[e1] ;" "movl %%edi, %[f1] ;" "movl %%esp, %[g1] ;" "movl %%ebp, %[h1] ;" "movw %%cs, %[i1] ;" "movw %%ds, %[j1] ;" "movw %%es, %[k1] ;" "movw %%fs, %[l1] ;" "movw %%gs, %[m1] ;" "movw %%ss, %[n1] ;" "mov %%cr0, %%eax ;" "mov %%eax, %[o1] ;" "mov %%cr2, %%eax ;" "mov %%eax, %[p1] ;" "mov %%cr3, %%eax ;" "mov %%eax, %[q1] ;" "mov %%cr4, %%eax ;" "mov %%eax,%[r1] ;":
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[a1] "=m"(eax),[b1] "=m"(ebx),[c1] "=m"(ecx),[d1] "=m"(edx),[e1] "=m"(esi),
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[a1] "=m"(eax),[b1] "=m"(ebx),[c1] "=m"(ecx),[d1] "=m"(edx),[e1] "=m"(esi),
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[f1] "=m"(edi),[g1] "=m"(ebp),[h1] "=m"(esp),[i1] "=m"(cs),[j1] "=m"(ds),
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[f1] "=m"(edi),[g1] "=m"(esp),[h1] "=m"(ebp),[i1] "=m"(cs),[j1] "=m"(ds),
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[k1] "=m"(es),[l1] "=m"(fs),[m1] "=m"(gs),[n1] "=m"(ss), [o1] "=m"(cr0),[p1] "=m"(cr2),[q1] "=m"(cr3), [r1] "=m"(cr4));
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[k1] "=m"(es),[l1] "=m"(fs),[m1] "=m"(gs),[n1] "=m"(ss), [o1] "=m"(cr0),[p1] "=m"(cr2),[q1] "=m"(cr3), [r1] "=m"(cr4));
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printf("EAX=%X EBX=%X ECX=%x EDX=%X\r\n",eax,ebx,ecx,edx);
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printf("EAX=%X EBX=%X ECX=%X EDX=%X\r\n",eax,ebx,ecx,edx);
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printf("ESI=%X EDI=%X ESP=%X EBP=%X\r\n",esi,edi,esp,ebp);
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printf("ESI=%X EDI=%X ESP=%X EBP=%X\r\n",esi,edi,esp,ebp);
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printf(" CS=%hX DS=%hX ES=%hX FS=%hX GS=%hX SS=%hX\r\n",cs,ds,es,fs,gs,ss);
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printf("\033[1m CS=%hX DS=%hX ES=%hX FS=%hX GS=%hX SS=%hX\033[0m\r\n",(u32)cs,(u32)ds,(u32)es,(u32)fs,(u32)gs,(u32)ss);
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printf("CR0=%X CR1=N/A CR2=%X CR3=%X CR4=%X\r\n",cr0,cr2,cr3,cr4);
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printf("CR0=%X CR1=N/A CR2=%X CR3=%X CR4=%X\r\n",cr0,cr2,cr3,cr4);
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asm("pushf ;" "pop %[f1] ;":
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asm("pushf ;" "pop %[f1] ;":
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@ -188,12 +190,19 @@ void dump_regs()
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printf(" S0");
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printf(" S0");
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if (eflags & (1 << 11)) // Overflow
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if (eflags & (1 << 11)) // Overflow
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printf(" O1)\n");
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printf(" O1)\r\n");
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else
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else
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printf(" O0)\n");
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printf(" O0)\r\n");
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printf("STACK\r\n");
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printf("STACK\r\n");
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for (u8 i = 0; i < 25; i++)
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u32 i=0;
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printf("+%d\t\t%X\r\n", i, viewstack(i * 4));
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for (u32 pointer = esp; pointer < 0x400000; pointer+=4) {
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if (pointer==ebp) print("\033[1m\033[31m");
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printf("+%d:%X\t\t%X\033[0m\033[37m\r\n", i++, pointer,viewstack(pointer));
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if (i>25) {
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print("...\r\n");
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break;
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}
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}
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sti();
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}
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}
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