From: Matthias Kruk Date: Tue, 3 Sep 2019 16:02:29 +0000 (+0900) Subject: Don't leave the cr3 variable in pg_init() uninitialized; remove unused braces and... X-Git-Url: https://git.corax.cc/?a=commitdiff_plain;h=35fb3934bd3a66344c2ca4546bfee3ba43a90a57;p=corax Don't leave the cr3 variable in pg_init() uninitialized; remove unused braces and calls to dbg_printf() --- diff --git a/kernel/arch/paging.c b/kernel/arch/paging.c index 91b3ee6..09ed515 100644 --- a/kernel/arch/paging.c +++ b/kernel/arch/paging.c @@ -89,6 +89,7 @@ void* pg_init(struct multiboot_info *info) { _mem_start = (u32_t)&_mem_start + sizeof(u32_t); mmap = (struct memory_map*)info->mmap_addr; mem_size = 0; + cr3 = 0; /* TODO: get rid of this */ while((u32_t)mmap < (info->mmap_addr + info->mmap_length)) { @@ -115,13 +116,14 @@ void* pg_init(struct multiboot_info *info) { _frame_map = _phys_alloc(_nframes << 2, 4); switch(_pg_flags & PG_MODE_MASK) { - case PG_MODE_LEGACY: { + case PG_MODE_LEGACY: cr3 = (u32_t)_phys_alloc(sizeof(page_table_t), PAGE_ALIGN); break; - } + case PG_MODE_PAE: cr3 = (u32_t)_phys_alloc(sizeof(pdpt_t), PDPT_ALIGN); break; + case PG_MODE_INTEL64: case PG_MODE_IA32E: PANIC("IA-32e mode paging not yet supported\n"); @@ -131,7 +133,7 @@ void* pg_init(struct multiboot_info *info) { while((u32_t)mmap < (info->mmap_addr + info->mmap_length)) { u32_t attrs; u64_t addr; -#if 1 +#if 0 dbg_printf("Region: 0x%016llx - 0x%016llx [%u]\n", mmap->addr, mmap->addr + mmap->len, mmap->type); #endif