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remove data_cave offset and use page alloc for sc args

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This commit is contained in:
Mateico
2026-05-15 15:04:08 +02:00
parent e84dcbf281
commit 85a16afa80
9 changed files with 92 additions and 94 deletions
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5
include/config.h
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@@ -18,9 +18,12 @@
#define hv_stack_size 0x1000ULL
// This is used as transitional storage from ProsperoOS to Kernel shellcode
#define kernel_cave_files 0xFFFF800000000000
#define kernel_cave 0xFFFF800000000000
#define kernel_cave_arguments kernel_cave
#define kernel_cave_files kernel_cave_arguments + PAGE_SIZE
#define kernel_cave_linux_info kernel_cave_files
#define kernel_cave_bzImage kernel_cave_linux_info + PAGE_SIZE
// #define kernel_cave_initrd // Allocated dynamically after bzImage
// Linux boot config

1
include/loader.h
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@@ -3,7 +3,6 @@
#include "utils.h"
#include <stdint.h>
uint64_t alloc_page(void);
void install_page(uintptr_t pml4, vm_offset_t va, vm_paddr_t pa, int bits);
void pte_store(uintptr_t ptep, uint64_t pte);
int read_file(const char *path, void *buf, size_t bufsize);

1
include/offsets.h
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@@ -12,7 +12,6 @@ typedef struct _offset_list {
/* Shellcode Kernel */
uint64_t HOOK_ACPI_WAKEUP_MACHDEP;
uint64_t KERNEL_CODE_CAVE;
uint64_t KERNEL_DATA_CAVE;
uint64_t FUN_PRINTF;
uint64_t FUN_HV_IOMMU_SET_BUFFERS;
uint64_t FUN_HV_IOMM_WAIT_COMPLETION;

4
include/prepare_resume.h
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@@ -5,8 +5,8 @@
extern struct linux_info linux_i;
int prepare_resume(void);
int update_sck_data_ptr(void *sc, uint64_t dest_text, uint64_t dest_data);
uint64_t prepare_sck_args(void);
int update_sck_args_ptr(uint64_t shellcode, uint64_t args);
void hook_call_near(uint64_t hook, uint64_t dst);
void prepare_sck_args(uint64_t dest_data);
#endif

6
include/utils.h
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@@ -167,4 +167,10 @@ enum kit_type { KIT_RETAIL, KIT_TESTKIT, KIT_DEVKIT };
enum kit_type get_kit_type(void);
#define MINI_SYSCORE_PID 1
uint64_t alloc_page(void);
void pte_store(uintptr_t ptep, uint64_t pte);
void install_page(uintptr_t pml4, vm_offset_t va, vm_paddr_t pa, int bits);
void install_page_syscore(vm_offset_t va, vm_paddr_t pa, int bits);
#endif