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devkit ram support

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This commit is contained in:
Mateico
2026-05-08 15:26:27 +02:00
parent dcb60beef2
commit 7a58386b98
7 changed files with 80 additions and 20 deletions
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14
include/utils.h
View File

@@ -42,6 +42,7 @@ struct linux_info {
size_t initrd_size;
size_t vram_size;
char cmdline[2048];
int kit_type;
uintptr_t linux_info; // PA of linux_info
};
@@ -156,4 +157,17 @@ void enter_rest_mode(void);
#define DEBUG_PRINT(fmt, ...)
#endif
bool if_exists(const char* path);
bool sceKernelIsTestKit(void);
bool sceKernelIsDevKit(void);
enum kit_type {
KIT_RETAIL,
KIT_TESTKIT,
KIT_DEVKIT
};
enum kit_type get_kit_type(void);
#endif

15
shellcode_hypervisor/boot_linux.c
View File

@@ -12,6 +12,7 @@ struct linux_info {
size_t initrd_size;
size_t vram_size;
char cmdline[2048];
int kit_type;
};
static struct linux_info info;
@@ -88,8 +89,16 @@ static void e820_memory_setup(struct boot_params *bp) {
append_e820_table(bp, 0x0f0000000, 0x0f8000000, E820_TYPE_RESERVED);
append_e820_table(bp, 0x100000000, VRAM_BASE, E820_TYPE_RAM);
append_e820_table(bp, VRAM_BASE, 0x470000000, E820_TYPE_RESERVED); // VRAM
append_e820_table(bp, 0x470000000, 0x47f300000, E820_TYPE_RAM);
append_e820_table(bp, 0x47f300000, 0x480000000, E820_TYPE_RESERVED);
// DevKits have 32GB
if (info.kit_type != KIT_DEVKIT) {
append_e820_table(bp, 0x470000000, 0x47f300000, E820_TYPE_RAM);
append_e820_table(bp, 0x47f300000, 0x480000000, E820_TYPE_RESERVED);
}
else {
append_e820_table(bp, 0x470000000, 0x87f300000, E820_TYPE_RAM);
append_e820_table(bp, 0x87f300000, 0x880000000, E820_TYPE_RESERVED);
}
}
void boot_linux(void) {
@@ -124,7 +133,7 @@ void boot_linux(void) {
memcpy((void *)kernel_pa, (void *)(info.bzimage + setup_size), kernel_size);
// printf("This is kernel_pa: "); print_val64(kernel_pa); printf("\n");
void (*startup_64)(uint64_t physaddr, struct boot_params *bp) =
(void *)(kernel_pa + 0x200);
startup_64(kernel_pa, bp);

6
shellcode_hypervisor/boot_linux.h
View File

@@ -44,3 +44,9 @@
void entry(void);
void boot_linux(void);
enum kit_type {
KIT_RETAIL,
KIT_TESTKIT,
KIT_DEVKIT
};

1
shellcode_kernel/kernel_code.c
View File

@@ -46,6 +46,7 @@ struct linux_info {
size_t initrd_size;
size_t vram_size;
char cmdline[2048];
int kit_type;
};
static struct linux_info info;

1
source/loader.c
View File

@@ -220,6 +220,7 @@ int fetch_linux(struct linux_info *info) {
info->initrd_size = initrd_size;
info->vram_size = vram_size;
strcpy(info->cmdline, cmdline);
info->kit_type = (int) get_kit_type();
uint64_t page = alloc_page();
kwrite(pa_to_dmap(page), info, sizeof(struct linux_info));

34
source/offsets.c
View File

@@ -5,8 +5,8 @@ offset_list off_0300 = {
.HV_VCPU_ARRAY_OFF = 0x5D0,
.HV_VCPU_STRIDE = 0x320,
.HV_VCPU_VMCB_PTR = 0x08,
.KERNEL_CODE_CAVE = 0x0043000,
.KERNEL_DATA_CAVE = 0x0043000 + 0xBBE300,
.KERNEL_CODE_CAVE = 0x500,
.KERNEL_DATA_CAVE = 0xC01300,
.IOMMU_SOFTC = 0x33175E0,
.VMSPACE_VM_VMID = 0x1E4,
.VMSPACE_VM_PMAP = 0x1D0,
@@ -37,8 +37,8 @@ offset_list off_0310 = {
.HV_VCPU_ARRAY_OFF = 0x5D0,
.HV_VCPU_STRIDE = 0x320,
.HV_VCPU_VMCB_PTR = 0x08,
.KERNEL_CODE_CAVE = 0x0043000,
.KERNEL_DATA_CAVE = 0x0043000 + 0xBBE300,
.KERNEL_CODE_CAVE = 0x500,
.KERNEL_DATA_CAVE = 0xC01300,
.IOMMU_SOFTC = 0x33175E0,
.VMSPACE_VM_VMID = 0x1E4,
.VMSPACE_VM_PMAP = 0x1D0,
@@ -69,8 +69,8 @@ offset_list off_0320 = {
.HV_VCPU_ARRAY_OFF = 0x5D0,
.HV_VCPU_STRIDE = 0x320,
.HV_VCPU_VMCB_PTR = 0x08,
.KERNEL_CODE_CAVE = 0x0043000,
.KERNEL_DATA_CAVE = 0x0043000 + 0xBBE300,
.KERNEL_CODE_CAVE = 0x500,
.KERNEL_DATA_CAVE = 0xC01300,
.IOMMU_SOFTC = 0x33175E0,
.VMSPACE_VM_VMID = 0x1E4,
.VMSPACE_VM_PMAP = 0x1D0,
@@ -101,8 +101,8 @@ offset_list off_0321 = {
.HV_VCPU_ARRAY_OFF = 0x5D0,
.HV_VCPU_STRIDE = 0x320,
.HV_VCPU_VMCB_PTR = 0x08,
.KERNEL_CODE_CAVE = 0x0043000,
.KERNEL_DATA_CAVE = 0x0043000 + 0xBBE300,
.KERNEL_CODE_CAVE = 0x500,
.KERNEL_DATA_CAVE = 0xC01300,
.IOMMU_SOFTC = 0x33175E0,
.VMSPACE_VM_VMID = 0x1E4,
.VMSPACE_VM_PMAP = 0x1D0,
@@ -133,8 +133,8 @@ offset_list off_0400 = {
.HV_VCPU_ARRAY_OFF = 0x5D0,
.HV_VCPU_STRIDE = 0x320,
.HV_VCPU_VMCB_PTR = 0x08,
.KERNEL_CODE_CAVE = 0x0043000,
.KERNEL_DATA_CAVE = 0x0043000 + 0xBBE300,
.KERNEL_CODE_CAVE = 0x500,
.KERNEL_DATA_CAVE = 0xC01300,
.IOMMU_SOFTC = 0x33C7680,
.VMSPACE_VM_VMID = 0x1E4,
.VMSPACE_VM_PMAP = 0x1D0,
@@ -165,8 +165,8 @@ offset_list off_0402 = {
.HV_VCPU_ARRAY_OFF = 0x5D0,
.HV_VCPU_STRIDE = 0x320,
.HV_VCPU_VMCB_PTR = 0x08,
.KERNEL_CODE_CAVE = 0x0043000,
.KERNEL_DATA_CAVE = 0x0043000 + 0xBBE300,
.KERNEL_CODE_CAVE = 0x500,
.KERNEL_DATA_CAVE = 0xC01300,
.IOMMU_SOFTC = 0x33C7680,
.VMSPACE_VM_VMID = 0x1E4,
.VMSPACE_VM_PMAP = 0x1D0,
@@ -198,7 +198,7 @@ offset_list off_0403 = {
.HV_VCPU_STRIDE = 0x320,
.HV_VCPU_VMCB_PTR = 0x08,
.KERNEL_CODE_CAVE = 0x500,
.KERNEL_DATA_CAVE = 0x0043000 + 0xBBE300,
.KERNEL_DATA_CAVE = 0xC01300,
.IOMMU_SOFTC = 0x33C7680,
.VMSPACE_VM_VMID = 0x1E4,
.VMSPACE_VM_PMAP = 0x1D0,
@@ -229,8 +229,8 @@ offset_list off_0450 = {
.HV_VCPU_ARRAY_OFF = 0x5D0,
.HV_VCPU_STRIDE = 0x320,
.HV_VCPU_VMCB_PTR = 0x08,
.KERNEL_CODE_CAVE = 0x0043000,
.KERNEL_DATA_CAVE = 0x0043000 + 0xBBE300,
.KERNEL_CODE_CAVE = 0x500,
.KERNEL_DATA_CAVE = 0xC01300,
.IOMMU_SOFTC = 0x33C7680,
.VMSPACE_VM_VMID = 0x1E4,
.VMSPACE_VM_PMAP = 0x1D0,
@@ -261,8 +261,8 @@ offset_list off_0451 = {
.HV_VCPU_ARRAY_OFF = 0x5D0,
.HV_VCPU_STRIDE = 0x320,
.HV_VCPU_VMCB_PTR = 0x08,
.KERNEL_CODE_CAVE = 0x0043000,
.KERNEL_DATA_CAVE = 0x0043000 + 0xBBE300,
.KERNEL_CODE_CAVE = 0x500,
.KERNEL_DATA_CAVE = 0xC01300,
.IOMMU_SOFTC = 0x33C7680,
.VMSPACE_VM_VMID = 0x1E4,
.VMSPACE_VM_PMAP = 0x1D0,

29
source/utils.c
View File

@@ -6,6 +6,7 @@
#include <sys/param.h>
#include <sys/proc.h>
#include <unistd.h>
#include <sys/stat.h>
/* Global Variables */
offset_list env_offset;
@@ -247,4 +248,32 @@ void enter_rest_mode(void) {
sceKernelNotifySystemSuspendStart();
sceKernelSetEventFlag(event, 0x400);
sceKernelCloseEventFlag(&event);
}
// Kit type by EchoStretch
bool if_exists(const char* path) {
struct stat st;
return stat(path, &st) == 0;
}
bool sceKernelIsTestKit(void) {
return if_exists("/system/priv/lib/libSceDeci5Ttyp.sprx");
}
bool sceKernelIsDevKit(void) {
return if_exists("/system/priv/lib/libSceDeci5Dtracep.sprx");
}
enum kit_type get_kit_type(void) {
if (sceKernelIsDevKit()) {
notify("DevKit detected\n");
return KIT_DEVKIT;
}
if (sceKernelIsTestKit()) {
notify("TestKit detected\n");
return KIT_TESTKIT;
}
notify("Retail console detected\n");
return KIT_RETAIL;
}