enderice2/Fennix
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kernel: refactor aarch64 boot code
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Signed-off-by: EnderIce2 <enderice2@protonmail.com>
This commit is contained in:
EnderIce2 2025-01-24 15:27:11 +02:00
parent 0ab1833034
commit 7ce73ab813
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GPG Key ID: 2EE20AF089811A5A
2 changed files with 23 additions and 3 deletions
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0
Kernel/arch/aarch64/bootstrap/boot.S → Kernel/arch/aarch64/bootstrap/raspi/boot.S
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26
Kernel/arch/aarch64/bootstrap/init.c → Kernel/arch/aarch64/bootstrap/raspi/init.cpp
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@ -16,9 +16,29 @@
*/
#include <types.h>
#include <cpu.hpp>
__attribute__((section(".bootstrap.text"))) void _aarch64_start(uint64_t dtb_ptr32, uint64_t x1, uint64_t x2, uint64_t x3)
#include "../../../../kernel.h"
using namespace CPU::aarch64;
extern "C" __attribute__((section(".bootstrap.text"))) void _aarch64_start(uint64_t dtb_ptr32, uint64_t x1, uint64_t x2, uint64_t x3)
{
while (1)
;
MIDR_EL1 reg;
asmv("mrs %x0, midr_el1" : "=r"(reg.raw));
switch (reg.PartNum)
{
case 0xB76: /* Raspberry Pi 1 */
case 0xC07: /* Raspberry Pi 2 */
default: /* Unknown */
CPU::Stop();
case 0xD03: /* Raspberry Pi 3 */
break;
case 0xD08: /* Raspberry Pi 4 */
break;
}
BootInfo *info = nullptr;
Entry(info);
}