#include <common.h>
#include <physmem.h>
+#include <asm/cpu.h>
#include <linux/compiler.h>
DECLARE_GLOBAL_DATA_PTR;
x86_phys_map_page(page_addr, page_addr, 0);
}
- /* Turn on paging */
- __asm__ __volatile__(
- /* Load the page table address */
- "movl %0, %%cr3\n\t"
- /* Enable pae */
- "movl %%cr4, %%eax\n\t"
- "orl $0x00000020, %%eax\n\t"
- "movl %%eax, %%cr4\n\t"
- /* Enable paging */
- "movl %%cr0, %%eax\n\t"
- "orl $0x80000000, %%eax\n\t"
- "movl %%eax, %%cr0\n\t"
- :
- : "r" (pdpt)
- : "eax"
- );
+ cpu_enable_paging_pae((ulong)pdpt);
}
/* Disable paging and PAE mode. */
static void x86_phys_exit_paging(void)
{
- /* Turn off paging */
- __asm__ __volatile__ (
- /* Disable paging */
- "movl %%cr0, %%eax\n\t"
- "andl $0x7fffffff, %%eax\n\t"
- "movl %%eax, %%cr0\n\t"
- /* Disable pae */
- "movl %%cr4, %%eax\n\t"
- "andl $0xffffffdf, %%eax\n\t"
- "movl %%eax, %%cr4\n\t"
- :
- :
- : "eax"
- );
+ cpu_disable_paging_pae();
}
/*
/* Handle memory below 4GB. */
if (start <= max_addr) {
- phys_size_t low_size = MIN(max_addr + 1 - start, size);
+ phys_size_t low_size = min(max_addr + 1 - start, size);
void *start_ptr = (void *)(uintptr_t)start;
assert(((phys_addr_t)(uintptr_t)start) == start);
/* Handle the first partial page. */
if (offset) {
phys_addr_t end =
- MIN(map_addr + LARGE_PAGE_SIZE, start + size);
+ min(map_addr + LARGE_PAGE_SIZE, start + size);
phys_size_t cur_size = end - start;
x86_phys_memset_page(map_addr, offset, c, cur_size);
size -= cur_size;