81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
#include "mem.h"
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#include "print.h"
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#include "intr.h"
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#include "cpu.h"
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#include "kernel.h"
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#include "hal.h"
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#include "multiboot2.h"
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//static void
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//halp_obtain_cpu_info(struct boot_info *hal_info)
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//{
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// if (hal_info == NULL)
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// {
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// return;
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// }
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// uint32 eax = 0, ebx = 0, ecx = 0, edx = 0;
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// hal_cpuid(&eax, &ebx, &ecx, &edx);
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// mem_cpy(&ebx, &hal_info->cpu_vd_str[0], sizeof(uint32));
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// mem_cpy(&edx, &hal_info->cpu_vd_str[4], sizeof(uint32));
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// mem_cpy(&ecx, &hal_info->cpu_vd_str[8], sizeof(uint32));
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// hal_info->cpu_vd_str[12] = 0;
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//}
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void HABI
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hmain(struct multiboot_tag *mb_info)
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{
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if (mb_info == NULL)
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{
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goto err;
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}
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char *cur_ptr = (char *) mb_info + 8;
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char *bootloader_name = NULL;
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while (1)
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{
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struct multiboot_tag *cur_tag = (struct multiboot_tag *) cur_ptr;
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switch (cur_tag->type)
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{
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case MULTIBOOT_TAG_TYPE_MMAP:
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hal_mem_init((struct multiboot_tag_mmap*) cur_ptr);
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break;
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case MULTIBOOT_TAG_TYPE_FRAMEBUFFER:
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hal_print_init((struct multiboot_tag_framebuffer *) cur_ptr);
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break;
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case MULTIBOOT_TAG_TYPE_BOOT_LOADER_NAME:
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bootloader_name = ((struct multiboot_tag_string*)cur_ptr)->string;
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break;
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case MULTIBOOT_TAG_TYPE_ACPI_NEW:
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default:
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break;
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}
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if (cur_tag->type == MULTIBOOT_TAG_TYPE_END)
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{
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break;
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}
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cur_ptr += cur_tag->size;
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cur_ptr = (char *) ALIGN(uintptr, cur_ptr, 8);
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}
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hal_halt_cpu();
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hal_printf("Boot loader:%d\n", bootloader_name);
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struct boot_info *boot_info = halloc(sizeof(struct boot_info));
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// // obtain cpu info
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// halp_obtain_cpu_info(boot_info);
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// init interrupt
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if (hal_interrupt_init() != 0)
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{
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hal_halt_cpu();
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}
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kmain(boot_info);
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err:
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hal_halt_cpu();
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}
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