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Code Issues Releases Wiki Activity

fix counter usage, add debug message

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This commit is contained in:
Stefan Lankes 2017-06-03 10:19:10 +02:00
parent 1c477aaa60
commit 7ee56194d3
1 changed files with 6 additions and 2 deletions
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8
arch/x86/mm/vma.c
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@ -26,6 +26,7 @@
*/
#include <hermit/vma.h>
#include <hermit/logging.h>
#include <asm/multiboot.h>
int vma_arch_init(void)
@ -38,15 +39,18 @@ int vma_arch_init(void)
goto out;
if ((mb_info->flags & MULTIBOOT_INFO_CMDLINE) && cmdline) {
LOG_INFO("vma_arch_init: map cmdline %p (size 0x%zd)", cmdline, cmdsize);
size_t i = 0;
while(((size_t) cmdline + i) <= ((size_t) cmdline + cmdsize))
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);
if (BUILTIN_EXPECT(ret, 0))
goto out;
i += PAGE_SIZE;
}
i += PAGE_SIZE;
}
}
}