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subhobhai943
70d5925b16
- Implement AArch64 HAL, vector table (16 aligned vectors), GICv2, Generic Timer, Stage-1 MMU (39-bit VA), PL011 UART - Build unified multi-architecture abstraction layer in include/arch/arch.h - Create interactive Linux-like Kconfig TUI menuconfig in scripts/kconfig/menuconfig.py - Support make menuconfig, defconfig, x86_64_defconfig, aarch64_defconfig - Update master Makefile for cross-compiling x86_64 (x86_64-elf-) and AArch64 (aarch64-linux-gnu-) - Dynamic architecture awareness across printk, uname, neofetch, and LazyBox
45 lines
970 B
C
45 lines
970 B
C
#ifndef _ARCH_X86_64_CPUID_H
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#define _ARCH_X86_64_CPUID_H
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#include <stdint.h>
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#include <stdbool.h>
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typedef struct {
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char vendor[13];
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char model[49];
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uint32_t family;
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uint32_t model_id;
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uint32_t stepping;
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bool has_fpu;
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bool has_tsc;
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bool has_msr;
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bool has_pae;
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bool has_apic;
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bool has_sse;
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bool has_sse2;
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bool has_sse3;
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bool has_sse4_1;
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bool has_sse4_2;
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bool has_avx;
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bool has_rdrand;
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} cpu_info_t;
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static inline void cpuid(uint32_t leaf, uint32_t* eax, uint32_t* ebx, uint32_t* ecx, uint32_t* edx) {
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#if defined(__x86_64__)
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__asm__ volatile("cpuid"
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: "=a"(*eax), "=b"(*ebx), "=c"(*ecx), "=d"(*edx)
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: "a"(leaf), "c"(0));
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#else
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(void)leaf;
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if (eax) *eax = 0;
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if (ebx) *ebx = 0;
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if (ecx) *ecx = 0;
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if (edx) *edx = 0;
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#endif
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}
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void cpuid_detect(cpu_info_t* info);
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const cpu_info_t* cpuid_get_info(void);
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#endif // _ARCH_X86_64_CPUID_H
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