32,6 → 32,7 |
/** @file |
*/ |
|
#include <memstr.h> |
#include <arch/mm/vhpt.h> |
#include <mm/frame.h> |
#include <print.h> |
40,8 → 41,8 |
|
uintptr_t vhpt_set_up(void) |
{ |
vhpt_base = frame_alloc(VHPT_WIDTH-FRAME_WIDTH,FRAME_KA | FRAME_ATOMIC); |
if(!vhpt_base) |
vhpt_base = frame_alloc(VHPT_WIDTH - FRAME_WIDTH, FRAME_KA | FRAME_ATOMIC); |
if (!vhpt_base) |
panic("Kernel configured with VHPT but no memory for table."); |
vhpt_invalidate_all(); |
return (uintptr_t) vhpt_base; |
61,28 → 62,26 |
vrn = va >> VRN_SHIFT; |
rid = ASID2RID(asid, vrn); |
|
rr_save.word = rr_read(vrn); |
rr.word = rr_save.word; |
rr.map.rid = rid; |
rr_write(vrn, rr.word); |
srlz_i(); |
rr_save.word = rr_read(vrn); |
rr.word = rr_save.word; |
rr.map.rid = rid; |
rr_write(vrn, rr.word); |
srlz_i(); |
|
ventry = (vhpt_entry_t *) thash(va); |
tag = ttag(va); |
rr_write(vrn, rr_save.word); |
srlz_i(); |
srlz_d(); |
tag = ttag(va); |
rr_write(vrn, rr_save.word); |
srlz_i(); |
srlz_d(); |
|
ventry->word[0]=entry.word[0]; |
ventry->word[1]=entry.word[1]; |
ventry->word[0] = entry.word[0]; |
ventry->word[1] = entry.word[1]; |
ventry->present.tag.tag_word = tag; |
|
|
} |
|
void vhpt_invalidate_all() |
{ |
memsetb((uintptr_t)vhpt_base,1<<VHPT_WIDTH,0); |
memsetb((uintptr_t) vhpt_base, 1 << VHPT_WIDTH, 0); |
} |
|
void vhpt_invalidate_asid(asid_t asid) |