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some more tyding

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This commit is contained in:
Mateico
2026-05-13 11:09:19 +02:00
parent e439d8d36a
commit 9d58e22a77
10 changed files with 168 additions and 196 deletions
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17
shellcode_kernel/boot_linux.c
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@@ -12,11 +12,11 @@
#define TRANSMITTER_CONTROL_ENABLE 1
#define TRANSMITTER_CONTROL_SET_VOLTAGE_AND_PREEMPASIS 11
int (*transmitter_control)(int cmd, void *control) = NULL; // Filled by main.c
int (*mp3_initialize)(int vmid) = NULL; // Filled by main.c
int (*mp3_invoke)(int cmd_id, void *req, void *rsp) = NULL; // Filled by main.c
int (*transmitter_control)(int cmd, void *control) = NULL;
int (*mp3_initialize)(int vmid) = NULL;
int (*mp3_invoke)(int cmd_id, void *req, void *rsp) = NULL;
uint64_t g_vbios; // Filled by main.c
uint64_t g_vbios;
typedef struct {
uint8_t lanenum;
@@ -88,11 +88,10 @@ static int mp3_enable_output(int be, int mode) {
static void patch_hv(void) {
// Install identity map for HV
// HV Shellcode 1 it's updating CR3
uint64_t identity_cr3 = cave_hv_paging; // P, RW, US=0
uint64_t identity_cr3 = cave_hv_paging;
uint64_t identity_pml4_0 =
identity_cr3 +
0x1003ULL; // P, RW, US=0 - 512GB // offset 0 +0x1000 from PML4
0x1003ULL;
uint64_t l40_l3_addr = PAGE_PA(identity_pml4_0); // addr PML4[0]
uint64_t identity_pml40_l3[] = {
0x0000000000000083, // P, RW, US=0 - 0 GB to 1 GB
@@ -161,8 +160,8 @@ void boot_linux(void) {
// Copy bzImage and initrd into contiguous memory.
memcpy(&info, (void *)args.linux_info_va, sizeof(struct linux_info));
uintptr_t bzimage = info.bzimage; // Kernel wrote the VA here
uintptr_t initrd = info.initrd; // Kernel wrote the VA here
uintptr_t bzimage = info.bzimage;
uintptr_t initrd = info.initrd;
info.bzimage = cave_bzImage;
info.initrd = cave_bzImage + ALIGN_UP(info.bzimage_size, PAGE_SIZE);