aboutsummaryrefslogtreecommitdiff
path: root/arch/parisc/kernel/head.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/parisc/kernel/head.S')
-rw-r--r--arch/parisc/kernel/head.S17
1 files changed, 10 insertions, 7 deletions
diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S
index 4dbdf0ed6fa..d4dc588c0dc 100644
--- a/arch/parisc/kernel/head.S
+++ b/arch/parisc/kernel/head.S
@@ -41,9 +41,7 @@ END(boot_args)
.import fault_vector_11,code /* IVA parisc 1.1 32 bit */
.import $global$ /* forward declaration */
#endif /*!CONFIG_64BIT*/
- .export _stext,data /* Kernel want it this way! */
-_stext:
-ENTRY(stext)
+ENTRY(parisc_kernel_start)
.proc
.callinfo
@@ -106,8 +104,9 @@ $bss_loop:
#endif
- /* Now initialize the PTEs themselves */
- ldo 0+_PAGE_KERNEL(%r0),%r3 /* Hardwired 0 phys addr start */
+ /* Now initialize the PTEs themselves. We use RWX for
+ * everything ... it will get remapped correctly later */
+ ldo 0+_PAGE_KERNEL_RWX(%r0),%r3 /* Hardwired 0 phys addr start */
ldi (1<<(KERNEL_INITIAL_ORDER-PAGE_SHIFT)),%r11 /* PFN count */
load32 PA(pg0),%r1
@@ -131,7 +130,7 @@ $pgt_fill_loop:
ldo THREAD_SZ_ALGN(%r6),%sp
#ifdef CONFIG_SMP
- /* Set the smp rendevous address into page zero.
+ /* Set the smp rendezvous address into page zero.
** It would be safer to do this in init_smp_config() but
** it's just way easier to deal with here because
** of 64-bit function ptrs and the address is local to this file.
@@ -194,6 +193,8 @@ common_stext:
ldw MEM_PDC_HI(%r0),%r6
depd %r6, 31, 32, %r3 /* move to upper word */
+ mfctl %cr30,%r6 /* PCX-W2 firmware bug */
+
ldo PDC_PSW(%r0),%arg0 /* 21 */
ldo PDC_PSW_SET_DEFAULTS(%r0),%arg1 /* 2 */
ldo PDC_PSW_WIDE_BIT(%r0),%arg2 /* 2 */
@@ -202,6 +203,8 @@ common_stext:
copy %r0,%arg3
stext_pdc_ret:
+ mtctl %r6,%cr30 /* restore task thread info */
+
/* restore rfi target address*/
ldd TI_TASK-THREAD_SZ_ALGN(%sp), %r10
tophys_r1 %r10
@@ -342,7 +345,7 @@ smp_slave_stext:
.procend
#endif /* CONFIG_SMP */
-ENDPROC(stext)
+ENDPROC(parisc_kernel_start)
#ifndef CONFIG_64BIT
.section .data..read_mostly