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some tidy up

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Mateico
2026-05-13 09:37:44 +02:00
parent 8e60126031
commit 01436f0a6b
13 changed files with 180 additions and 236 deletions
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6
shellcode_hypervisor/main.c
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@@ -6,8 +6,6 @@
__attribute__((section(".entry_point"), naked)) uint32_t main(void) {
// We enter this function after CR3 was updated to 1:1 mapping
// We need to point RSP/RBP to a good known valid address
uint32_t ebax, ebx, ecx, edx;
uint32_t cpu_id;
@@ -17,12 +15,10 @@ __attribute__((section(".entry_point"), naked)) uint32_t main(void) {
cpu_id = (ebx >> 24) & 0xFF;
// We point to a location after the main linux boot code
// Each CPU should have a different location
// Each CPU should have a different stack
uintptr_t new_rsp =
(uintptr_t)hv_base_rsp + ((uint64_t)(cpu_id)*hv_stack_size);
// WARNING: This invalidates current local variables
__asm__ volatile("movq %0, %%rsp \n\t"
"movq %%rsp, %%rbp \n\t"
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