static void
cyrix_get_arr(unsigned int reg, unsigned long *base,
- unsigned int *size, mtrr_type * type)
+ unsigned long *size, mtrr_type * type)
{
unsigned long flags;
unsigned char arr, ccr3, rcr, shift;
}
static int
-cyrix_get_free_region(unsigned long base, unsigned long size)
+cyrix_get_free_region(unsigned long base, unsigned long size, int replace_reg)
/* [SUMMARY] Get a free ARR.
<base> The starting (base) address of the region.
<size> The size (in bytes) of the region.
{
int i;
mtrr_type ltype;
- unsigned long lbase;
- unsigned int lsize;
+ unsigned long lbase, lsize;
+ switch (replace_reg) {
+ case 7:
+ if (size < 0x40)
+ break;
+ case 6:
+ case 5:
+ case 4:
+ return replace_reg;
+ case 3:
+ if (arr3_protected)
+ break;
+ case 2:
+ case 1:
+ case 0:
+ return replace_reg;
+ }
/* If we are to set up a region >32M then look at ARR7 immediately */
if (size > 0x2000) {
cyrix_get_arr(7, &lbase, &lsize, <ype);
typedef struct {
unsigned long base;
- unsigned int size;
+ unsigned long size;
mtrr_type type;
} arr_state_t;