void switch_to_ctx(struct ctx_s * suivant)
{
if (current_ctx)
{
getEBP(current_ctx->ebp_b);
getESP(current_ctx->esp_b);
}
current_ctx = suivant;
liste = current_ctx;
static short launched =0;
static func_t * pf;
static void* params;
pf = current_ctx->func;
params = current_ctx->parameters;
if(!current_ctx->launched)
{
current_ctx->launched=1;
launched =1;
}
setESP(current_ctx->esp_b);
setEBP(current_ctx->ebp_b);
if(launched)
{
launched = 0;
pf(params);
}
return 0;
}
void cGenProt(isrVal_t regs)
{
printf("GP\n");
printf("\nGeneral Protection Fault\neip\tcs\tds\teflags\tprocesp\tss\n");
printf("%X\t%X\t%X\t%X\t%X\n", regs.eip, regs.cs, regs.ds, regs.eflags,
regs.procesp, regs.ss);
printf("\nCurrent:\n");
printf("CS\tDS\tSS\tESP\n");
printf("%X\t%X\t%X\t%X\n", getCS(), getDS(), getSS(), getESP());
checkFrame(®s);
// panic("General Protection fault");
}
void cBreakp(isrVal_t regs)
{
printf("BP\n");
checkFrame(®s);
printf("Debug:\n");
printf("eax\tebx\tecx\tedx\n%X\t%X\t%X\t%X\n", regs.eax, regs.ebx, regs.ecx, regs.edx);
printf("\nds\n%X\n", regs.ds);
printf("\nedi\tesi\tebp\tesp\n%X\t%X\t%X\t%X\n", regs.edi, regs.esi, regs.ebp, regs.esp);
printf("\neip\tcs\teflags\tuseresp\tss\n%X\t%X\t%X\t%X\t%X\n", regs.eip, regs.cs, regs.eflags, regs.procesp, regs.ss);
printf("\nerr_code\tfunc_ptr\n%X\t%X\n", regs.errCode, regs.funcPtr);
printf("\n\nCurrent:\n");
printf("CS\tDS\tSS\tESP\n%X\t%X\t%X\t%X\n", getCS(), getDS(), getSS(), getESP());
}
void cDivByZero(isrVal_t regs)
{
printf("D0\n");
checkFrame(®s);
if (regs.cs != 0x8)
{
panic("No process killing code yet");
}
printf("\nDiv by 0\neip\tcs\teflags\tprocesp\tss\n");
printf("%X\t%X\t%X\t%X\t%X\n", regs.eip, regs.cs, regs.eflags, regs.procesp, regs.ss);
printf("\nCurrent:\n");
printf("CS\tDS\tSS\tESP\n");
printf("%X\t%X\t%X\t%X\n", getCS(), getDS(), getSS(), getESP());
panic ("Devide by zero");
}
