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authorTony Luck <tony.luck@intel.com>2005-10-31 10:51:57 -0800
committerTony Luck <tony.luck@intel.com>2005-10-31 10:51:57 -0800
commitc7fb577e2a6cb04732541f2dc402bd46747f7558 (patch)
treedf3b1a1922ed13bfbcc45d08650c38beeb1a7bd1 /arch/parisc/kernel/real2.S
parent9cec58dc138d6fcad9f447a19c8ff69f6540e667 (diff)
parent581c1b14394aee60aff46ea67d05483261ed6527 (diff)
manual update from upstream:
Applied Al's change 06a544971fad0992fe8b92c5647538d573089dd4 to new location of swiotlb.c Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/parisc/kernel/real2.S')
-rw-r--r--arch/parisc/kernel/real2.S36
1 files changed, 16 insertions, 20 deletions
diff --git a/arch/parisc/kernel/real2.S b/arch/parisc/kernel/real2.S
index 8dd5defb731..8c2859cca77 100644
--- a/arch/parisc/kernel/real2.S
+++ b/arch/parisc/kernel/real2.S
@@ -7,8 +7,10 @@
* Copyright (C) 2000 Hewlett Packard (Paul Bame bame@puffin.external.hp.com)
*
*/
-#include <asm/assembly.h>
+#include <linux/config.h>
+
#include <asm/psw.h>
+#include <asm/assembly.h>
.section .bss
.export real_stack
@@ -20,7 +22,7 @@ real32_stack:
real64_stack:
.block 8192
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
# define REG_SZ 8
#else
# define REG_SZ 4
@@ -50,7 +52,7 @@ save_cr_end:
real32_call_asm:
STREG %rp, -RP_OFFSET(%sp) /* save RP */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
callee_save
ldo 2*REG_SZ(%sp), %sp /* room for a couple more saves */
STREG %r27, -1*REG_SZ(%sp)
@@ -77,7 +79,7 @@ real32_call_asm:
b,l save_control_regs,%r2 /* modifies r1, r2, r28 */
nop
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
rsm PSW_SM_W, %r0 /* go narrow */
#endif
@@ -85,7 +87,7 @@ real32_call_asm:
bv 0(%r31)
nop
ric_ret:
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ssm PSW_SM_W, %r0 /* go wide */
#endif
/* restore CRs before going virtual in case we page fault */
@@ -97,7 +99,7 @@ ric_ret:
tovirt_r1 %sp
LDREG -REG_SZ(%sp), %sp /* restore SP */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
LDREG -1*REG_SZ(%sp), %r27
LDREG -2*REG_SZ(%sp), %r29
ldo -2*REG_SZ(%sp), %sp
@@ -143,24 +145,21 @@ restore_control_regs:
/* rfi_virt2real() and rfi_real2virt() could perhaps be adapted for
* more general-purpose use by the several places which need RFIs
*/
- .align 128
.text
+ .align 128
rfi_virt2real:
/* switch to real mode... */
- ssm 0,0 /* See "relied upon translation" */
- nop /* PA 2.0 Arch. F-5 */
- nop
- nop
+ rsm PSW_SM_I,%r0
+ load32 PA(rfi_v2r_1), %r1
nop
nop
nop
nop
nop
- rsm (PSW_SM_Q|PSW_SM_I),%r0 /* disable Q & I bits to load iia queue */
+ rsm PSW_SM_Q,%r0 /* disable Q & I bits to load iia queue */
mtctl %r0, %cr17 /* Clear IIASQ tail */
mtctl %r0, %cr17 /* Clear IIASQ head */
- load32 PA(rfi_v2r_1), %r1
mtctl %r1, %cr18 /* IIAOQ head */
ldo 4(%r1), %r1
mtctl %r1, %cr18 /* IIAOQ tail */
@@ -184,10 +183,8 @@ rfi_v2r_1:
.text
.align 128
rfi_real2virt:
- ssm 0,0 /* See "relied upon translation" */
- nop /* PA 2.0 Arch. F-5 */
- nop
- nop
+ rsm PSW_SM_I,%r0
+ load32 (rfi_r2v_1), %r1
nop
nop
nop
@@ -197,7 +194,6 @@ rfi_real2virt:
rsm PSW_SM_Q,%r0 /* disable Q bit to load iia queue */
mtctl %r0, %cr17 /* Clear IIASQ tail */
mtctl %r0, %cr17 /* Clear IIASQ head */
- load32 (rfi_r2v_1), %r1
mtctl %r1, %cr18 /* IIAOQ head */
ldo 4(%r1), %r1
mtctl %r1, %cr18 /* IIAOQ tail */
@@ -218,7 +214,7 @@ rfi_r2v_1:
bv 0(%r2)
nop
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
/************************ 64-bit real-mode calls ***********************/
/* This is only usable in wide kernels right now and will probably stay so */
@@ -296,7 +292,7 @@ pc_in_user_space:
** comparing function pointers.
*/
__canonicalize_funcptr_for_compare:
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
bve (%r2)
#else
bv %r0(%r2)