Commit 9b437bca authored by John David Anglin's avatar John David Anglin Committed by Kyle McMartin

parisc: Remove unnecessary macros from entry.S

The EXTR, DEP and DEPI macros are unnecessary.  There are PA 1.X
pneumonics available with the same functionality, and the DEP and DEPI
macros conflict with assembler pneumonics.

Tested on a variety of 32 and 64-bit systems.
Signed-off-by: default avatarJohn David Anglin <dave.anglin@nrc-cnrc.gc.ca>
Signed-off-by: default avatarKyle McMartin <kyle@parisc-linux.org>
parent f4c0346c
...@@ -364,32 +364,6 @@ ...@@ -364,32 +364,6 @@
.align 32 .align 32
.endm .endm
/* The following are simple 32 vs 64 bit instruction
* abstractions for the macros */
.macro EXTR reg1,start,length,reg2
#ifdef CONFIG_64BIT
extrd,u \reg1,32+(\start),\length,\reg2
#else
extrw,u \reg1,\start,\length,\reg2
#endif
.endm
.macro DEP reg1,start,length,reg2
#ifdef CONFIG_64BIT
depd \reg1,32+(\start),\length,\reg2
#else
depw \reg1,\start,\length,\reg2
#endif
.endm
.macro DEPI val,start,length,reg
#ifdef CONFIG_64BIT
depdi \val,32+(\start),\length,\reg
#else
depwi \val,\start,\length,\reg
#endif
.endm
/* In LP64, the space contains part of the upper 32 bits of the /* In LP64, the space contains part of the upper 32 bits of the
* fault. We have to extract this and place it in the va, * fault. We have to extract this and place it in the va,
* zeroing the corresponding bits in the space register */ * zeroing the corresponding bits in the space register */
...@@ -442,19 +416,19 @@ ...@@ -442,19 +416,19 @@
*/ */
.macro L2_ptep pmd,pte,index,va,fault .macro L2_ptep pmd,pte,index,va,fault
#if PT_NLEVELS == 3 #if PT_NLEVELS == 3
EXTR \va,31-ASM_PMD_SHIFT,ASM_BITS_PER_PMD,\index extru \va,31-ASM_PMD_SHIFT,ASM_BITS_PER_PMD,\index
#else #else
EXTR \va,31-ASM_PGDIR_SHIFT,ASM_BITS_PER_PGD,\index extru \va,31-ASM_PGDIR_SHIFT,ASM_BITS_PER_PGD,\index
#endif #endif
DEP %r0,31,PAGE_SHIFT,\pmd /* clear offset */ dep %r0,31,PAGE_SHIFT,\pmd /* clear offset */
copy %r0,\pte copy %r0,\pte
ldw,s \index(\pmd),\pmd ldw,s \index(\pmd),\pmd
bb,>=,n \pmd,_PxD_PRESENT_BIT,\fault bb,>=,n \pmd,_PxD_PRESENT_BIT,\fault
DEP %r0,31,PxD_FLAG_SHIFT,\pmd /* clear flags */ dep %r0,31,PxD_FLAG_SHIFT,\pmd /* clear flags */
copy \pmd,%r9 copy \pmd,%r9
SHLREG %r9,PxD_VALUE_SHIFT,\pmd SHLREG %r9,PxD_VALUE_SHIFT,\pmd
EXTR \va,31-PAGE_SHIFT,ASM_BITS_PER_PTE,\index extru \va,31-PAGE_SHIFT,ASM_BITS_PER_PTE,\index
DEP %r0,31,PAGE_SHIFT,\pmd /* clear offset */ dep %r0,31,PAGE_SHIFT,\pmd /* clear offset */
shladd \index,BITS_PER_PTE_ENTRY,\pmd,\pmd shladd \index,BITS_PER_PTE_ENTRY,\pmd,\pmd
LDREG %r0(\pmd),\pte /* pmd is now pte */ LDREG %r0(\pmd),\pte /* pmd is now pte */
bb,>=,n \pte,_PAGE_PRESENT_BIT,\fault bb,>=,n \pte,_PAGE_PRESENT_BIT,\fault
...@@ -605,7 +579,7 @@ ...@@ -605,7 +579,7 @@
depdi 0,31,32,\tmp depdi 0,31,32,\tmp
#endif #endif
copy \va,\tmp1 copy \va,\tmp1
DEPI 0,31,23,\tmp1 depi 0,31,23,\tmp1
cmpb,COND(<>),n \tmp,\tmp1,\fault cmpb,COND(<>),n \tmp,\tmp1,\fault
ldi (_PAGE_DIRTY|_PAGE_WRITE|_PAGE_READ),\prot ldi (_PAGE_DIRTY|_PAGE_WRITE|_PAGE_READ),\prot
depd,z \prot,8,7,\prot depd,z \prot,8,7,\prot
......
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