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Code Issues Releases Wiki Activity

fix typos, mark region as cacheable

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This commit is contained in:
Stefan Lankes 2017-11-05 15:49:22 +01:00
parent 4287452ffe
commit 2686177729
1 changed files with 5 additions and 3 deletions
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8
arch/x86/mm/vma.c
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@ -35,18 +35,20 @@ int vma_arch_init(void)
int ret = 0;
if (mb_info) {
ret = vma_add((size_t)mb_info & PAGE_MASK, ((size_t)mb_info & PAGE_MASK) + PAGE_SIZE, VMA_READ|VMA_WRITE);
ret = vma_add((size_t)mb_info & PAGE_MASK, ((size_t)mb_info & PAGE_MASK) + PAGE_SIZE,
VMA_READ|VMA_WRITE|VMA_CACHEABLE);
if (BUILTIN_EXPECT(ret, 0))
goto out;
if ((mb_info->flags & MULTIBOOT_INFO_CMDLINE) && cmdline) {
LOG_INFO("vma_arch_init: map cmdline %p (size 0x%zd)", cmdline, cmdsize);
LOG_INFO("vma_arch_init: map cmdline %p (size 0x%zd)\n", cmdline, cmdsize);
size_t i = 0;
while(((size_t) cmdline + i) < ((size_t) cmdline + cmdsize))
{
if ((((size_t)cmdline + i) & PAGE_MASK) != ((size_t) mb_info & PAGE_MASK)) {
ret = vma_add(((size_t)cmdline + i) & PAGE_MASK, (((size_t)cmdline + i) & PAGE_MASK) + PAGE_SIZE, VMA_READ|VMA_WRITE);
ret = vma_add(((size_t)cmdline + i) & PAGE_MASK, (((size_t)cmdline + i) & PAGE_MASK) + PAGE_SIZE,
VMA_READ|VMA_WRITE|VMA_CACHEABLE);
if (BUILTIN_EXPECT(ret, 0))
goto out;
}