X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/b6ff3c7dbab3f40d03389808d95ac27d416c35e3..87067c7f16425837971f5c1b5fd0fc5338757377:/lunaix-os/kernel/proc0.c?ds=sidebyside diff --git a/lunaix-os/kernel/proc0.c b/lunaix-os/kernel/proc0.c index 2029bc5..bb9b3d9 100644 --- a/lunaix-os/kernel/proc0.c +++ b/lunaix-os/kernel/proc0.c @@ -68,7 +68,7 @@ exec_initd() { int errno = 0; - if ((errno = exec_kexecve("/mnt/lunaix-os/usr/init", NULL, NULL))) { + if ((errno = exec_kexecve("/mnt/lunaix-os/usr/bin/init", NULL, NULL))) { goto fail; } @@ -102,9 +102,9 @@ __proc0() } } -extern uint8_t __kernel_start; /* link/linker.ld */ -extern uint8_t __kernel_end; /* link/linker.ld */ -extern uint8_t __init_hhk_end; /* link/linker.ld */ +extern u8_t __kernel_start; /* link/linker.ld */ +extern u8_t __kernel_end; /* link/linker.ld */ +extern u8_t __init_hhk_end; /* link/linker.ld */ extern multiboot_info_t* _k_init_mb_info; /* k_init.c */ void @@ -150,9 +150,9 @@ init_platform() unlock_reserved_memory(); // clean up - for (size_t i = 0; i < (uintptr_t)(&__init_hhk_end); i += PG_SIZE) { - vmm_del_mapping(VMS_SELF, (void*)i); - pmm_free_page(KERNEL_PID, (void*)i); + for (size_t i = 0; i < (ptr_t)(&__init_hhk_end); i += PG_SIZE) { + vmm_del_mapping(VMS_SELF, (ptr_t)i); + pmm_free_page(KERNEL_PID, (ptr_t)i); } } @@ -171,26 +171,33 @@ unlock_reserved_memory() void __do_reserved_memory(int unlock) { - multiboot_memory_map_t* mmaps = _k_init_mb_info->mmap_addr; + multiboot_memory_map_t* mmaps = + (multiboot_memory_map_t*)_k_init_mb_info->mmap_addr; + size_t map_size = _k_init_mb_info->mmap_length / sizeof(multiboot_memory_map_t); + // v_mapping mapping; for (unsigned int i = 0; i < map_size; i++) { multiboot_memory_map_t mmap = mmaps[i]; - uint8_t* pa = PG_ALIGN(mmap.addr_low); + ptr_t pa = PG_ALIGN(mmap.addr_low); + if (mmap.type == MULTIBOOT_MEMORY_AVAILABLE || pa <= MEM_4MB) { // Don't fuck up our kernel code or any free area! continue; } + size_t pg_num = CEIL(mmap.len_low, PG_SIZE_BITS); size_t j = 0; + if (!unlock) { kprintf("mem: freeze: %p..%p type=%x\n", pa, pa + pg_num * PG_SIZE, mmap.type); + for (; j < pg_num; j++) { - uintptr_t _pa = pa + (j << PG_SIZE_BITS); + ptr_t _pa = pa + (j << PG_SIZE_BITS); if (_pa >= KERNEL_MM_BASE) { // Don't fuck up our kernel space! break; @@ -199,6 +206,7 @@ __do_reserved_memory(int unlock) pmm_mark_page_occupied( KERNEL_PID, _pa >> PG_SIZE_BITS, PP_FGLOCKED); } + // Save the progress for later unmapping. mmaps[i].len_low = j * PG_SIZE; } else { @@ -206,8 +214,9 @@ __do_reserved_memory(int unlock) pa, pa + pg_num * PG_SIZE, mmap.type); + for (; j < pg_num; j++) { - uintptr_t _pa = pa + (j << PG_SIZE_BITS); + ptr_t _pa = pa + (j << PG_SIZE_BITS); vmm_del_mapping(VMS_SELF, _pa); if (mmap.type == MULTIBOOT_MEMORY_ACPI_RECLAIMABLE) { pmm_mark_page_free(_pa >> PG_SIZE_BITS);