haraldwolff/qemu-patch-raspberry4
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suppressed unneeded header

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@832 c046a42c-6fe2-441c-8c8c-71466251a162
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bellard 2004-05-20 13:20:55 +00:00
parent 829309c70c
commit 5f21aef2b0
1 changed files with 12 additions and 14 deletions
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26
target-ppc/helper.c
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@ -17,8 +17,6 @@
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <sys/mman.h>
#include "exec.h"
#if defined (USE_OPEN_FIRMWARE)
#include <time.h>
@ -133,14 +131,14 @@ static int get_bat (CPUState *env, uint32_t *real, int *prot,
((virtual & 0x0FFE0000 & bl) | (*BATl & 0x0FFE0000)) |
(virtual & 0x0001F000);
if (*BATl & 0x00000001)
*prot = PROT_READ;
*prot = PAGE_READ;
if (*BATl & 0x00000002)
*prot = PROT_WRITE | PROT_READ;
*prot = PAGE_WRITE | PAGE_READ;
#if defined (DEBUG_BATS)
if (loglevel > 0) {
fprintf(logfile, "BAT %d match: r 0x%08x prot=%c%c\n",
i, *real, *prot & PROT_READ ? 'R' : '-',
*prot & PROT_WRITE ? 'W' : '-');
i, *real, *prot & PAGE_READ ? 'R' : '-',
*prot & PAGE_WRITE ? 'W' : '-');
}
#endif
ret = 0;
@ -203,9 +201,9 @@ static int find_pte (uint32_t *RPN, int *prot, uint32_t base, uint32_t va,
}
/* Check access rights */
if (key == 0) {
access = PROT_READ;
access = PAGE_READ;
if ((pte1 & 0x00000003) != 0x3)
access |= PROT_WRITE;
access |= PAGE_WRITE;
} else {
switch (pte1 & 0x00000003) {
case 0x0:
@ -213,16 +211,16 @@ static int find_pte (uint32_t *RPN, int *prot, uint32_t base, uint32_t va,
break;
case 0x1:
case 0x3:
access = PROT_READ;
access = PAGE_READ;
break;
case 0x2:
access = PROT_READ | PROT_WRITE;
access = PAGE_READ | PAGE_WRITE;
break;
}
}
if (ret < 0) {
if ((rw == 0 && (access & PROT_READ)) ||
(rw == 1 && (access & PROT_WRITE))) {
if ((rw == 0 && (access & PAGE_READ)) ||
(rw == 1 && (access & PAGE_WRITE))) {
#if defined (DEBUG_MMU)
if (loglevel > 0)
fprintf(logfile, "PTE access granted !\n");
@ -264,7 +262,7 @@ static int find_pte (uint32_t *RPN, int *prot, uint32_t base, uint32_t va,
store = 1;
} else {
/* Force page fault for first write access */
*prot &= ~PROT_WRITE;
*prot &= ~PAGE_WRITE;
}
}
if (store) {
@ -409,7 +407,7 @@ int get_physical_address (CPUState *env, uint32_t *physical, int *prot,
if ((access_type == ACCESS_CODE && msr_ir == 0) || msr_dr == 0) {
/* No address translation */
*physical = address & ~0xFFF;
*prot = PROT_READ | PROT_WRITE;
*prot = PAGE_READ | PAGE_WRITE;
ret = 0;
} else {
/* Try to find a BAT */