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authorHeiko Carstens <heiko.carstens@de.ibm.com>2009-09-11 10:28:37 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2009-09-11 10:29:45 +0200
commitc48ff644f2c86f34f69f382b68b16c6d30854783 (patch)
tree606db1e957310db21f293f621f1bae08714ec285 /arch/s390/power/swsusp_asm64.S
parentf3d1263e81daf2be1353baf1ad3f6e25d135f2c5 (diff)
[S390] hibernation: merge files and move to kernel/
Merge the nearly empty C files and move everything from power/ to kernel/. That way the files are easier to handle. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/power/swsusp_asm64.S')
-rw-r--r--arch/s390/power/swsusp_asm64.S184
1 files changed, 0 insertions, 184 deletions
diff --git a/arch/s390/power/swsusp_asm64.S b/arch/s390/power/swsusp_asm64.S
deleted file mode 100644
index b26df5c5933..00000000000
--- a/arch/s390/power/swsusp_asm64.S
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
- * S390 64-bit swsusp implementation
- *
- * Copyright IBM Corp. 2009
- *
- * Author(s): Hans-Joachim Picht <hans@linux.vnet.ibm.com>
- * Michael Holzheu <holzheu@linux.vnet.ibm.com>
- */
-
-#include <asm/page.h>
-#include <asm/ptrace.h>
-#include <asm/asm-offsets.h>
-
-/*
- * Save register context in absolute 0 lowcore and call swsusp_save() to
- * create in-memory kernel image. The context is saved in the designated
- * "store status" memory locations (see POP).
- * We return from this function twice. The first time during the suspend to
- * disk process. The second time via the swsusp_arch_resume() function
- * (see below) in the resume process.
- * This function runs with disabled interrupts.
- */
- .section .text
- .align 2
- .globl swsusp_arch_suspend
-swsusp_arch_suspend:
- stmg %r6,%r15,__SF_GPRS(%r15)
- lgr %r1,%r15
- aghi %r15,-STACK_FRAME_OVERHEAD
- stg %r1,__SF_BACKCHAIN(%r15)
-
- /* Deactivate DAT */
- stnsm __SF_EMPTY(%r15),0xfb
-
- /* Store prefix register on stack */
- stpx __SF_EMPTY(%r15)
-
- /* Save prefix register contents for lowcore */
- llgf %r4,__SF_EMPTY(%r15)
-
- /* Get pointer to save area */
- lghi %r1,0x1000
-
- /* Store registers */
- mvc 0x318(4,%r1),__SF_EMPTY(%r15) /* move prefix to lowcore */
- stfpc 0x31c(%r1) /* store fpu control */
- std 0,0x200(%r1) /* store f0 */
- std 1,0x208(%r1) /* store f1 */
- std 2,0x210(%r1) /* store f2 */
- std 3,0x218(%r1) /* store f3 */
- std 4,0x220(%r1) /* store f4 */
- std 5,0x228(%r1) /* store f5 */
- std 6,0x230(%r1) /* store f6 */
- std 7,0x238(%r1) /* store f7 */
- std 8,0x240(%r1) /* store f8 */
- std 9,0x248(%r1) /* store f9 */
- std 10,0x250(%r1) /* store f10 */
- std 11,0x258(%r1) /* store f11 */
- std 12,0x260(%r1) /* store f12 */
- std 13,0x268(%r1) /* store f13 */
- std 14,0x270(%r1) /* store f14 */
- std 15,0x278(%r1) /* store f15 */
- stam %a0,%a15,0x340(%r1) /* store access registers */
- stctg %c0,%c15,0x380(%r1) /* store control registers */
- stmg %r0,%r15,0x280(%r1) /* store general registers */
-
- stpt 0x328(%r1) /* store timer */
- stckc 0x330(%r1) /* store clock comparator */
-
- /* Activate DAT */
- stosm __SF_EMPTY(%r15),0x04
-
- /* Set prefix page to zero */
- xc __SF_EMPTY(4,%r15),__SF_EMPTY(%r15)
- spx __SF_EMPTY(%r15)
-
- lghi %r2,0
- lghi %r3,2*PAGE_SIZE
- lghi %r5,2*PAGE_SIZE
-1: mvcle %r2,%r4,0
- jo 1b
-
- /* Save image */
- brasl %r14,swsusp_save
-
- /* Restore prefix register and return */
- lghi %r1,0x1000
- spx 0x318(%r1)
- lmg %r6,%r15,STACK_FRAME_OVERHEAD + __SF_GPRS(%r15)
- lghi %r2,0
- br %r14
-
-/*
- * Restore saved memory image to correct place and restore register context.
- * Then we return to the function that called swsusp_arch_suspend().
- * swsusp_arch_resume() runs with disabled interrupts.
- */
- .globl swsusp_arch_resume
-swsusp_arch_resume:
- stmg %r6,%r15,__SF_GPRS(%r15)
- lgr %r1,%r15
- aghi %r15,-STACK_FRAME_OVERHEAD
- stg %r1,__SF_BACKCHAIN(%r15)
-
-#ifdef CONFIG_SMP
- /* Save boot cpu number */
- brasl %r14,smp_get_phys_cpu_id
- lgr %r10,%r2
-#endif
- /* Deactivate DAT */
- stnsm __SF_EMPTY(%r15),0xfb
-
- /* Set prefix page to zero */
- xc __SF_EMPTY(4,%r15),__SF_EMPTY(%r15)
- spx __SF_EMPTY(%r15)
-
- /* Restore saved image */
- larl %r1,restore_pblist
- lg %r1,0(%r1)
- ltgr %r1,%r1
- jz 2f
-0:
- lg %r2,8(%r1)
- lg %r4,0(%r1)
- lghi %r3,PAGE_SIZE
- lghi %r5,PAGE_SIZE
-1:
- mvcle %r2,%r4,0
- jo 1b
- lg %r1,16(%r1)
- ltgr %r1,%r1
- jnz 0b
-2:
- ptlb /* flush tlb */
-
- /* Restore registers */
- lghi %r13,0x1000 /* %r1 = pointer to save arae */
-
- spt 0x328(%r13) /* reprogram timer */
- //sckc 0x330(%r13) /* set clock comparator */
-
- lctlg %c0,%c15,0x380(%r13) /* load control registers */
- lam %a0,%a15,0x340(%r13) /* load access registers */
-
- lfpc 0x31c(%r13) /* load fpu control */
- ld 0,0x200(%r13) /* load f0 */
- ld 1,0x208(%r13) /* load f1 */
- ld 2,0x210(%r13) /* load f2 */
- ld 3,0x218(%r13) /* load f3 */
- ld 4,0x220(%r13) /* load f4 */
- ld 5,0x228(%r13) /* load f5 */
- ld 6,0x230(%r13) /* load f6 */
- ld 7,0x238(%r13) /* load f7 */
- ld 8,0x240(%r13) /* load f8 */
- ld 9,0x248(%r13) /* load f9 */
- ld 10,0x250(%r13) /* load f10 */
- ld 11,0x258(%r13) /* load f11 */
- ld 12,0x260(%r13) /* load f12 */
- ld 13,0x268(%r13) /* load f13 */
- ld 14,0x270(%r13) /* load f14 */
- ld 15,0x278(%r13) /* load f15 */
-
- /* Load old stack */
- lg %r15,0x2f8(%r13)
-
- /* Pointer to save area */
- lghi %r13,0x1000
-
-#ifdef CONFIG_SMP
- /* Switch CPUs */
- lgr %r2,%r10 /* get cpu id */
- llgf %r3,0x318(%r13)
- brasl %r14,smp_switch_boot_cpu_in_resume
-#endif
- /* Restore prefix register */
- spx 0x318(%r13)
-
- /* Activate DAT */
- stosm __SF_EMPTY(%r15),0x04
-
- /* Return 0 */
- lmg %r6,%r15,STACK_FRAME_OVERHEAD + __SF_GPRS(%r15)
- lghi %r2,0
- br %r14