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-rw-r--r--arch/parisc/kernel/head.S73
1 files changed, 22 insertions, 51 deletions
diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S
index 28405edf8448..0b47afc20690 100644
--- a/arch/parisc/kernel/head.S
+++ b/arch/parisc/kernel/head.S
@@ -12,7 +12,7 @@
* Initial Version 04-23-1999 by Helge Deller <deller@gmx.de>
*/
-#include <linux/autoconf.h> /* for CONFIG_SMP */
+#include <linux/config.h> /* for CONFIG_SMP */
#include <asm/asm-offsets.h>
#include <asm/psw.h>
@@ -36,10 +36,10 @@ boot_args:
.align 4
.import init_thread_union,data
.import fault_vector_20,code /* IVA parisc 2.0 32 bit */
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
.import fault_vector_11,code /* IVA parisc 1.1 32 bit */
.import $global$ /* forward declaration */
-#endif /*!LP64*/
+#endif /*!CONFIG_64BIT*/
.export stext
.export _stext,data /* Kernel want it this way! */
_stext:
@@ -76,7 +76,7 @@ $bss_loop:
mtctl %r4,%cr24 /* Initialize kernel root pointer */
mtctl %r4,%cr25 /* Initialize user root pointer */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
/* Set pmd in pgd */
load32 PA(pmd0),%r5
shrd %r5,PxD_VALUE_SHIFT,%r3
@@ -99,7 +99,7 @@ $bss_loop:
stw %r3,0(%r4)
ldo (ASM_PAGE_SIZE >> PxD_VALUE_SHIFT)(%r3),%r3
addib,> -1,%r1,1b
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldo ASM_PMD_ENTRY_SIZE(%r4),%r4
#else
ldo ASM_PGD_ENTRY_SIZE(%r4),%r4
@@ -170,7 +170,7 @@ common_stext:
stw %r0,0x28(%r0) /* MEM_RENDEZ_HI */
#endif /*CONFIG_SMP*/
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
tophys_r1 %sp
/* Save the rfi target address */
@@ -224,8 +224,6 @@ stext_pdc_ret:
mtctl %r0,%cr12
mtctl %r0,%cr13
- /* Prepare to RFI! Man all the cannons! */
-
/* Initialize the global data pointer */
loadgp
@@ -235,7 +233,7 @@ stext_pdc_ret:
* following short sequence of instructions can determine this
* (without being illegal on a PA1.1 machine).
*/
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
ldi 32,%r10
mtctl %r10,%cr11
.level 2.0
@@ -248,52 +246,22 @@ stext_pdc_ret:
$is_pa20:
.level LEVEL /* restore 1.1 || 2.0w */
-#endif /*!LP64*/
+#endif /*!CONFIG_64BIT*/
load32 PA(fault_vector_20),%r10
$install_iva:
mtctl %r10,%cr14
-#ifdef __LP64__
- b aligned_rfi
+ b aligned_rfi /* Prepare to RFI! Man all the cannons! */
nop
- .align 256
+ .align 128
aligned_rfi:
- ssm 0,0
- nop /* 1 */
- nop /* 2 */
- nop /* 3 */
- nop /* 4 */
- nop /* 5 */
- nop /* 6 */
- nop /* 7 */
- nop /* 8 */
-#endif
+ pcxt_ssm_bug
-#ifdef __LP64__ /* move to psw.h? */
-#define PSW_BITS PSW_Q+PSW_I+PSW_D+PSW_P+PSW_R
-#else
-#define PSW_BITS PSW_SM_Q
-#endif
+ rsm PSW_SM_QUIET,%r0 /* off troublesome PSW bits */
+ /* Don't need NOPs, have 8 compliant insn before rfi */
-$rfi:
- /* turn off troublesome PSW bits */
- rsm PSW_BITS,%r0
-
- /* kernel PSW:
- * - no interruptions except HPMC and TOC (which are handled by PDC)
- * - Q bit set (IODC / PDC interruptions)
- * - big-endian
- * - virtually mapped
- */
- load32 KERNEL_PSW,%r10
- mtctl %r10,%ipsw
-
- /* Set the space pointers for the post-RFI world
- ** Clear the two-level IIA Space Queue, effectively setting
- ** Kernel space.
- */
mtctl %r0,%cr17 /* Clear IIASQ tail */
mtctl %r0,%cr17 /* Clear IIASQ head */
@@ -301,8 +269,11 @@ $rfi:
mtctl %r11,%cr18 /* IIAOQ head */
ldo 4(%r11),%r11
mtctl %r11,%cr18 /* IIAOQ tail */
+
+ load32 KERNEL_PSW,%r10
+ mtctl %r10,%ipsw
- /* Jump to hyperspace */
+ /* Jump through hyperspace to Virt Mode */
rfi
nop
@@ -313,7 +284,7 @@ $rfi:
.import smp_init_current_idle_task,data
.import smp_callin,code
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
smp_callin_rtn:
.proc
.callinfo
@@ -321,7 +292,7 @@ smp_callin_rtn:
nop
nop
.procend
-#endif /*!LP64*/
+#endif /*!CONFIG_64BIT*/
/***************************************************************************
* smp_slave_stext is executed by all non-monarch Processors when the Monarch
@@ -356,7 +327,7 @@ smp_slave_stext:
mtctl %r4,%cr24 /* Initialize kernel root pointer */
mtctl %r4,%cr25 /* Initialize user root pointer */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
/* Setup PDCE_PROC entry */
copy %arg0,%r3
#else
@@ -373,7 +344,7 @@ smp_slave_stext:
.procend
#endif /* CONFIG_SMP */
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
.data
.align 4
@@ -383,4 +354,4 @@ smp_slave_stext:
.size $global$,4
$global$:
.word 0
-#endif /*!LP64*/
+#endif /*!CONFIG_64BIT*/