52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
#include "socks/types.h"
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#include <arch/e820.h>
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#include <socks/init.h>
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#include <socks/memblock.h>
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#include <socks/vm.h>
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#include <socks/printk.h>
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#include <socks/machine/cpu.h>
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#include <arch/vgacon.h>
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#define PTR32(x) ((void *)((uintptr_t)(x)))
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static ml_cpu_block g_bootstrap_cpu = {0};
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/* start and end of kernel image (physical addresses) */
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extern char __pstart[], __pend[];
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static void bootstrap_cpu_init(void)
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{
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ml_cpu_block_init(&g_bootstrap_cpu);
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ml_cpu_block_use(&g_bootstrap_cpu);
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}
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static void early_vm_init(void)
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{
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uintptr_t alloc_start = VM_KERNEL_VOFFSET;
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/* boot code mapped 2 GiB of memory from
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VM_KERNEL_VOFFSET */
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uintptr_t alloc_end = VM_KERNEL_VOFFSET + 0x7fffffff;
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memblock_init(alloc_start, alloc_end, VM_KERNEL_VOFFSET);
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printk("memblock: allocating from [0x%llx-0x%llx]", alloc_start, alloc_end);
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memblock_reserve(0x00, (uintptr_t)__pend);
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printk("memblock: reserved bios+kernel at [0x%016llx-0x%016llx]", 0, (uintptr_t)__pend);
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}
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int ml_init(uintptr_t arg)
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{
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multiboot_info_t *mb = (multiboot_info_t *)arg;
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bootstrap_cpu_init();
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vgacon_init();
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print_kernel_banner();
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early_vm_init();
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e820_scan(PTR32(mb->mmap_addr), mb->mmap_length);
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return 0;
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}
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