summaryrefslogtreecommitdiffstats
path: root/arch/parisc
diff options
context:
space:
mode:
Diffstat (limited to 'arch/parisc')
-rw-r--r--arch/parisc/kernel/entry.S10
-rw-r--r--arch/parisc/kernel/hpmc.S4
-rw-r--r--arch/parisc/kernel/pacache.S33
-rw-r--r--arch/parisc/kernel/setup.c2
-rw-r--r--arch/parisc/kernel/syscall.S9
5 files changed, 37 insertions, 21 deletions
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index f33201bf897..aa486e46ab9 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -400,7 +400,15 @@
#if PT_NLEVELS == 3
extru \va,31-ASM_PMD_SHIFT,ASM_BITS_PER_PMD,\index
#else
+# if defined(CONFIG_64BIT)
+ extrd,u \va,63-ASM_PGDIR_SHIFT,ASM_BITS_PER_PGD,\index
+ #else
+ # if PAGE_SIZE > 4096
+ extru \va,31-ASM_PGDIR_SHIFT,32-ASM_PGDIR_SHIFT,\index
+ # else
extru \va,31-ASM_PGDIR_SHIFT,ASM_BITS_PER_PGD,\index
+ # endif
+# endif
#endif
dep %r0,31,PAGE_SHIFT,\pmd /* clear offset */
copy %r0,\pte
@@ -615,7 +623,7 @@
.text
- .align PAGE_SIZE
+ .align 4096
ENTRY(fault_vector_20)
/* First vector is invalid (0) */
diff --git a/arch/parisc/kernel/hpmc.S b/arch/parisc/kernel/hpmc.S
index 5595a2f3118..e158b6fbf1b 100644
--- a/arch/parisc/kernel/hpmc.S
+++ b/arch/parisc/kernel/hpmc.S
@@ -55,13 +55,13 @@
* IODC requires 7K byte stack. That leaves 1K byte for os_hpmc.
*/
- .align PAGE_SIZE
+ .align 4096
hpmc_stack:
.block 16384
#define HPMC_IODC_BUF_SIZE 0x8000
- .align PAGE_SIZE
+ .align 4096
hpmc_iodc_buf:
.block HPMC_IODC_BUF_SIZE
diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S
index 312b48422a5..5e1de6072be 100644
--- a/arch/parisc/kernel/pacache.S
+++ b/arch/parisc/kernel/pacache.S
@@ -563,6 +563,15 @@ ENDPROC(copy_page_asm)
* %r23 physical page (shifted for tlb insert) of "from" translation
*/
+ /* Drop prot bits and convert to page addr for iitlbt and idtlbt */
+ #define PAGE_ADD_SHIFT (PAGE_SHIFT-12)
+ .macro convert_phys_for_tlb_insert20 phys
+ extrd,u \phys, 56-PAGE_ADD_SHIFT, 32-PAGE_ADD_SHIFT, \phys
+#if _PAGE_SIZE_ENCODING_DEFAULT
+ depdi _PAGE_SIZE_ENCODING_DEFAULT, 63, (63-58), \phys
+#endif
+ .endm
+
/*
* We can't do this since copy_user_page is used to bring in
* file data that might have instructions. Since the data would
@@ -589,15 +598,14 @@ ENTRY(copy_user_page_asm)
sub %r25, %r1, %r23
ldil L%(TMPALIAS_MAP_START), %r28
- /* FIXME for different page sizes != 4k */
#ifdef CONFIG_64BIT
#if (TMPALIAS_MAP_START >= 0x80000000)
depdi 0, 31,32, %r28 /* clear any sign extension */
#endif
- extrd,u %r26,56,32, %r26 /* convert phys addr to tlb insert format */
- extrd,u %r23,56,32, %r23 /* convert phys addr to tlb insert format */
+ convert_phys_for_tlb_insert20 %r26 /* convert phys addr to tlb insert format */
+ convert_phys_for_tlb_insert20 %r23 /* convert phys addr to tlb insert format */
depd %r24,63,22, %r28 /* Form aliased virtual address 'to' */
- depdi 0, 63,12, %r28 /* Clear any offset bits */
+ depdi 0, 63,PAGE_SHIFT, %r28 /* Clear any offset bits */
copy %r28, %r29
depdi 1, 41,1, %r29 /* Form aliased virtual address 'from' */
#else
@@ -747,11 +755,10 @@ ENTRY(clear_user_page_asm)
#ifdef CONFIG_64BIT
#if (TMPALIAS_MAP_START >= 0x80000000)
depdi 0, 31,32, %r28 /* clear any sign extension */
- /* FIXME: page size dependend */
#endif
- extrd,u %r26, 56,32, %r26 /* convert phys addr to tlb insert format */
+ convert_phys_for_tlb_insert20 %r26 /* convert phys addr to tlb insert format */
depd %r25, 63,22, %r28 /* Form aliased virtual address 'to' */
- depdi 0, 63,12, %r28 /* Clear any offset bits */
+ depdi 0, 63,PAGE_SHIFT, %r28 /* Clear any offset bits */
#else
extrw,u %r26, 24,25, %r26 /* convert phys addr to tlb insert format */
depw %r25, 31,22, %r28 /* Form aliased virtual address 'to' */
@@ -832,11 +839,10 @@ ENTRY(flush_dcache_page_asm)
#ifdef CONFIG_64BIT
#if (TMPALIAS_MAP_START >= 0x80000000)
depdi 0, 31,32, %r28 /* clear any sign extension */
- /* FIXME: page size dependend */
#endif
- extrd,u %r26, 56,32, %r26 /* convert phys addr to tlb insert format */
+ convert_phys_for_tlb_insert20 %r26 /* convert phys addr to tlb insert format */
depd %r25, 63,22, %r28 /* Form aliased virtual address 'to' */
- depdi 0, 63,12, %r28 /* Clear any offset bits */
+ depdi 0, 63,PAGE_SHIFT, %r28 /* Clear any offset bits */
#else
extrw,u %r26, 24,25, %r26 /* convert phys addr to tlb insert format */
depw %r25, 31,22, %r28 /* Form aliased virtual address 'to' */
@@ -909,11 +915,10 @@ ENTRY(flush_icache_page_asm)
#ifdef CONFIG_64BIT
#if (TMPALIAS_MAP_START >= 0x80000000)
depdi 0, 31,32, %r28 /* clear any sign extension */
- /* FIXME: page size dependend */
#endif
- extrd,u %r26, 56,32, %r26 /* convert phys addr to tlb insert format */
+ convert_phys_for_tlb_insert20 %r26 /* convert phys addr to tlb insert format */
depd %r25, 63,22, %r28 /* Form aliased virtual address 'to' */
- depdi 0, 63,12, %r28 /* Clear any offset bits */
+ depdi 0, 63,PAGE_SHIFT, %r28 /* Clear any offset bits */
#else
extrw,u %r26, 24,25, %r26 /* convert phys addr to tlb insert format */
depw %r25, 31,22, %r28 /* Form aliased virtual address 'to' */
@@ -959,7 +964,7 @@ ENTRY(flush_icache_page_asm)
fic,m %r1(%sr4,%r28)
fic,m %r1(%sr4,%r28)
fic,m %r1(%sr4,%r28)
- cmpb,COND(<<) %r28, %r25,1b
+ cmpb,COND(<<) %r28, %r25,1b
fic,m %r1(%sr4,%r28)
sync
diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c
index a3328c2616b..76b63e726a5 100644
--- a/arch/parisc/kernel/setup.c
+++ b/arch/parisc/kernel/setup.c
@@ -129,6 +129,8 @@ void __init setup_arch(char **cmdline_p)
printk(KERN_INFO "The 32-bit Kernel has started...\n");
#endif
+ printk(KERN_INFO "Default page size is %dKB.\n", (int)(PAGE_SIZE / 1024));
+
pdc_console_init();
#ifdef CONFIG_64BIT
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index 5e055240f00..b27f4aabe89 100644
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -15,6 +15,7 @@
#include <asm/thread_info.h>
#include <asm/assembly.h>
#include <asm/processor.h>
+#include <asm/cache.h>
#include <linux/linkage.h>
@@ -643,7 +644,7 @@ ENTRY(end_linux_gateway_page)
.section .rodata,"a"
- .align PAGE_SIZE
+ .align 8
/* Light-weight-syscall table */
/* Start of lws table. */
ENTRY(lws_table)
@@ -652,13 +653,13 @@ ENTRY(lws_table)
END(lws_table)
/* End of lws table */
- .align PAGE_SIZE
+ .align 8
ENTRY(sys_call_table)
#include "syscall_table.S"
END(sys_call_table)
#ifdef CONFIG_64BIT
- .align PAGE_SIZE
+ .align 8
ENTRY(sys_call_table64)
#define SYSCALL_TABLE_64BIT
#include "syscall_table.S"
@@ -674,7 +675,7 @@ END(sys_call_table64)
with ldcw.
*/
.section .data
- .align PAGE_SIZE
+ .align L1_CACHE_BYTES
ENTRY(lws_lock_start)
/* lws locks */
.rept 16
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-02 10:06:11 +0000