70 lines
1.5 KiB
C
70 lines
1.5 KiB
C
#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.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/object.h>
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#include <socks/printk.h>
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#include <arch/stdcon.h>
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#include <sys/mman.h>
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#define PMEM_SIZE 0x4000000
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extern void kernel_init(uintptr_t arg);
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static void *pmem = NULL;
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static void early_vm_init(void)
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{
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pmem = mmap(NULL, PMEM_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
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if (pmem == MAP_FAILED) {
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fprintf(stderr, "arch: cannot map physical memory buffer.");
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abort();
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}
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uintptr_t alloc_start = (uintptr_t)pmem + VM_PAGE_SIZE;
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uintptr_t alloc_end = alloc_start + PMEM_SIZE;
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memblock_init(alloc_start, alloc_end, (uintptr_t)pmem);
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printk("memblock: allocating from [0x%llx-0x%llx]", alloc_start, alloc_end);
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}
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uintptr_t __pagemap_base(void)
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{
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return (uintptr_t)pmem;
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}
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uintptr_t __pagemap_limit(void)
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{
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return (uintptr_t)pmem + PMEM_SIZE - 1;
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}
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int ml_init(uintptr_t arg)
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{
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stdcon_init();
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print_kernel_banner();
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early_vm_init();
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memblock_add(0, PMEM_SIZE);
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vm_zone_descriptor_t vm_zones[] = {
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{ .zd_id = VM_ZONE_DMA, .zd_node = 0, .zd_name = "dma", .zd_base = 0x00, .zd_limit = 0xffffff },
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{ .zd_id = VM_ZONE_NORMAL, .zd_node = 0, .zd_name = "normal", .zd_base = 0x1000000, .zd_limit = UINTPTR_MAX },
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};
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vm_bootstrap(vm_zones, sizeof vm_zones / sizeof vm_zones[0]);
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object_bootstrap();
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return 0;
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}
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int main(int argc, const char **argv)
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{
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kernel_init(0);
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munmap(pmem, PMEM_SIZE);
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return 0;
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}
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