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powerpc/8xx: Use generic permission masks

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8xx already has _PAGE_NA and _PAGE_RO. So add _PAGE_ROX, _PAGE_RW and
_PAGE_RWX and remove specific permission masks.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/5d0b5ce43485f697313eee4326ddff97157fb219.1695659959.git.christophe.leroy@csgroup.eu
This commit is contained in:
Christophe Leroy 2023-09-25 20:31:40 +02:00 committed by Michael Ellerman
parent a5a08dc90f
commit f9f09b93e8
1 changed files with 5 additions and 8 deletions
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13
arch/powerpc/include/asm/nohash/32/pte-8xx.h
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@ -48,6 +48,10 @@
#define _PAGE_HUGE 0x0800 /* Copied to L1 PS bit 29 */
#define _PAGE_ROX (_PAGE_RO | _PAGE_EXEC)
#define _PAGE_RW 0
#define _PAGE_RWX _PAGE_EXEC
/* cache related flags non existing on 8xx */
#define _PAGE_COHERENT 0
#define _PAGE_WRITETHRU 0
@ -77,14 +81,7 @@
#define _PAGE_BASE_NC (_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_PSIZE)
#define _PAGE_BASE (_PAGE_BASE_NC)
/* Permission masks used to generate the __P and __S table */
#define PAGE_NONE __pgprot(_PAGE_BASE | _PAGE_NA)
#define PAGE_SHARED __pgprot(_PAGE_BASE)
#define PAGE_SHARED_X __pgprot(_PAGE_BASE | _PAGE_EXEC)
#define PAGE_COPY __pgprot(_PAGE_BASE | _PAGE_RO)
#define PAGE_COPY_X __pgprot(_PAGE_BASE | _PAGE_RO | _PAGE_EXEC)
#define PAGE_READONLY __pgprot(_PAGE_BASE | _PAGE_RO)
#define PAGE_READONLY_X __pgprot(_PAGE_BASE | _PAGE_RO | _PAGE_EXEC)
#include <asm/pgtable-masks.h>
#ifndef __ASSEMBLY__
static inline pte_t pte_wrprotect(pte_t pte)