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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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15
shellcode_hypervisor/boot_linux.c
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@@ -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);