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Major cleanup and prepare for new hv exploit.

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This commit is contained in:
Andy Nguyen
2026-05-16 09:43:48 +02:00
parent 85a16afa80
commit fbe5ae0c32
24 changed files with 210 additions and 326 deletions
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19
shellcode_kernel/utils.c
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@@ -1,5 +1,6 @@
#include "utils.h"
#include "shellcode_kernel_args.h"
#include <cpuid.h>
extern shellcode_kernel_args args;
@@ -98,9 +99,10 @@ void init_global_pointers(volatile shellcode_kernel_args *args_ptr) {
memcpy(&args, (void *)args_ptr, sizeof(args));
printf = (void (*)(const char *, ...))args.fun_printf;
smp_rendezvous = (void (*)(void (*)(void), void (*)(void), void (*)(void),
void *))args.fun_smp_rendezvous;
smp_no_rendevous_barrier = (void (*)(void))args.fun_smp_no_rendevous_barrier;
smp_rendezvous = (void (*)(void (*)(void *), void (*)(void *),
void (*)(void *), void *))args.fun_smp_rendezvous;
smp_no_rendevous_barrier =
(void (*)(void *))args.fun_smp_no_rendevous_barrier;
transmitter_control = (int (*)(int, void *))args.fun_transmitter_control;
mp3_initialize = (int (*)(int))args.fun_mp3_initialize;
@@ -108,8 +110,15 @@ void init_global_pointers(volatile shellcode_kernel_args *args_ptr) {
g_vbios = args.g_vbios;
}
void vmmcall_dummy(void) {
uint8_t get_cpu(void) {
uint32_t eax, ebx, ecx, edx;
__get_cpuid(1, &eax, &ebx, &ecx, &edx);
uint8_t cpu_id = (ebx >> 24) & 0xFF;
return cpu_id;
}
void vmmcall_dummy(void *) {
__asm__ volatile("mov $0x1, %rax \n"
"vmmcall \n"
"ret \n");
}
}