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authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-03 10:39:02 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-03 10:39:02 -0700
commit7e31aa11fc672bbe0dd0da59513c9efe3809ced7 (patch)
tree0aafe6a0045230950ce6b26579a053da12614a49 /include/asm-arm/locks.h
parent071f4924844c435a3ae0cdbab7d7df2f1da85713 (diff)
parent9cb7117fa4858468014f76bd996076985111e955 (diff)
downloadlinux-7e31aa11fc672bbe0dd0da59513c9efe3809ced7.tar.gz
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 5182/1: pxa: Fix pcm990 compilation [ARM] Fix explicit asm(-arm)?/arch-foo references [ARM] move include/asm-arm to arch/arm/include/asm [ARM] Remove explicit dependency for misc.o from compressed/Makefile [ARM] initrd: claim initrd memory exclusively [ARM] pxa: add support for L2 outer cache on XScale3 (attempt 2) [ARM] 5180/1: at91: Fix at91_nand -> atmel_nand rename fallout [ARM] add Sascha Hauer as Freescale i.MX Maintainer [ARM] i.MX: add missing clock functions exports [ARM] i.MX: remove set_imx_fb_info() export [ARM] mx1ads: make mmc platform data available for modules [ARM] mx2: add missing Kconfig dependency
Diffstat (limited to 'include/asm-arm/locks.h')
-rw-r--r--include/asm-arm/locks.h274
1 files changed, 0 insertions, 274 deletions
diff --git a/include/asm-arm/locks.h b/include/asm-arm/locks.h
deleted file mode 100644
index 852220eecdbc..000000000000
--- a/include/asm-arm/locks.h
+++ /dev/null
@@ -1,274 +0,0 @@
-/*
- * linux/include/asm-arm/locks.h
- *
- * Copyright (C) 2000 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Interrupt safe locking assembler.
- */
-#ifndef __ASM_PROC_LOCKS_H
-#define __ASM_PROC_LOCKS_H
-
-#if __LINUX_ARM_ARCH__ >= 6
-
-#define __down_op(ptr,fail) \
- ({ \
- __asm__ __volatile__( \
- "@ down_op\n" \
-"1: ldrex lr, [%0]\n" \
-" sub lr, lr, %1\n" \
-" strex ip, lr, [%0]\n" \
-" teq ip, #0\n" \
-" bne 1b\n" \
-" teq lr, #0\n" \
-" movmi ip, %0\n" \
-" blmi " #fail \
- : \
- : "r" (ptr), "I" (1) \
- : "ip", "lr", "cc"); \
- smp_mb(); \
- })
-
-#define __down_op_ret(ptr,fail) \
- ({ \
- unsigned int ret; \
- __asm__ __volatile__( \
- "@ down_op_ret\n" \
-"1: ldrex lr, [%1]\n" \
-" sub lr, lr, %2\n" \
-" strex ip, lr, [%1]\n" \
-" teq ip, #0\n" \
-" bne 1b\n" \
-" teq lr, #0\n" \
-" movmi ip, %1\n" \
-" movpl ip, #0\n" \
-" blmi " #fail "\n" \
-" mov %0, ip" \
- : "=&r" (ret) \
- : "r" (ptr), "I" (1) \
- : "ip", "lr", "cc"); \
- smp_mb(); \
- ret; \
- })
-
-#define __up_op(ptr,wake) \
- ({ \
- smp_mb(); \
- __asm__ __volatile__( \
- "@ up_op\n" \
-"1: ldrex lr, [%0]\n" \
-" add lr, lr, %1\n" \
-" strex ip, lr, [%0]\n" \
-" teq ip, #0\n" \
-" bne 1b\n" \
-" cmp lr, #0\n" \
-" movle ip, %0\n" \
-" blle " #wake \
- : \
- : "r" (ptr), "I" (1) \
- : "ip", "lr", "cc"); \
- })
-
-/*
- * The value 0x01000000 supports up to 128 processors and
- * lots of processes. BIAS must be chosen such that sub'ing
- * BIAS once per CPU will result in the long remaining
- * negative.
- */
-#define RW_LOCK_BIAS 0x01000000
-#define RW_LOCK_BIAS_STR "0x01000000"
-
-#define __down_op_write(ptr,fail) \
- ({ \
- __asm__ __volatile__( \
- "@ down_op_write\n" \
-"1: ldrex lr, [%0]\n" \
-" sub lr, lr, %1\n" \
-" strex ip, lr, [%0]\n" \
-" teq ip, #0\n" \
-" bne 1b\n" \
-" teq lr, #0\n" \
-" movne ip, %0\n" \
-" blne " #fail \
- : \
- : "r" (ptr), "I" (RW_LOCK_BIAS) \
- : "ip", "lr", "cc"); \
- smp_mb(); \
- })
-
-#define __up_op_write(ptr,wake) \
- ({ \
- smp_mb(); \
- __asm__ __volatile__( \
- "@ up_op_write\n" \
-"1: ldrex lr, [%0]\n" \
-" adds lr, lr, %1\n" \
-" strex ip, lr, [%0]\n" \
-" teq ip, #0\n" \
-" bne 1b\n" \
-" movcs ip, %0\n" \
-" blcs " #wake \
- : \
- : "r" (ptr), "I" (RW_LOCK_BIAS) \
- : "ip", "lr", "cc"); \
- })
-
-#define __down_op_read(ptr,fail) \
- __down_op(ptr, fail)
-
-#define __up_op_read(ptr,wake) \
- ({ \
- smp_mb(); \
- __asm__ __volatile__( \
- "@ up_op_read\n" \
-"1: ldrex lr, [%0]\n" \
-" add lr, lr, %1\n" \
-" strex ip, lr, [%0]\n" \
-" teq ip, #0\n" \
-" bne 1b\n" \
-" teq lr, #0\n" \
-" moveq ip, %0\n" \
-" bleq " #wake \
- : \
- : "r" (ptr), "I" (1) \
- : "ip", "lr", "cc"); \
- })
-
-#else
-
-#define __down_op(ptr,fail) \
- ({ \
- __asm__ __volatile__( \
- "@ down_op\n" \
-" mrs ip, cpsr\n" \
-" orr lr, ip, #128\n" \
-" msr cpsr_c, lr\n" \
-" ldr lr, [%0]\n" \
-" subs lr, lr, %1\n" \
-" str lr, [%0]\n" \
-" msr cpsr_c, ip\n" \
-" movmi ip, %0\n" \
-" blmi " #fail \
- : \
- : "r" (ptr), "I" (1) \
- : "ip", "lr", "cc"); \
- smp_mb(); \
- })
-
-#define __down_op_ret(ptr,fail) \
- ({ \
- unsigned int ret; \
- __asm__ __volatile__( \
- "@ down_op_ret\n" \
-" mrs ip, cpsr\n" \
-" orr lr, ip, #128\n" \
-" msr cpsr_c, lr\n" \
-" ldr lr, [%1]\n" \
-" subs lr, lr, %2\n" \
-" str lr, [%1]\n" \
-" msr cpsr_c, ip\n" \
-" movmi ip, %1\n" \
-" movpl ip, #0\n" \
-" blmi " #fail "\n" \
-" mov %0, ip" \
- : "=&r" (ret) \
- : "r" (ptr), "I" (1) \
- : "ip", "lr", "cc"); \
- smp_mb(); \
- ret; \
- })
-
-#define __up_op(ptr,wake) \
- ({ \
- smp_mb(); \
- __asm__ __volatile__( \
- "@ up_op\n" \
-" mrs ip, cpsr\n" \
-" orr lr, ip, #128\n" \
-" msr cpsr_c, lr\n" \
-" ldr lr, [%0]\n" \
-" adds lr, lr, %1\n" \
-" str lr, [%0]\n" \
-" msr cpsr_c, ip\n" \
-" movle ip, %0\n" \
-" blle " #wake \
- : \
- : "r" (ptr), "I" (1) \
- : "ip", "lr", "cc"); \
- })
-
-/*
- * The value 0x01000000 supports up to 128 processors and
- * lots of processes. BIAS must be chosen such that sub'ing
- * BIAS once per CPU will result in the long remaining
- * negative.
- */
-#define RW_LOCK_BIAS 0x01000000
-#define RW_LOCK_BIAS_STR "0x01000000"
-
-#define __down_op_write(ptr,fail) \
- ({ \
- __asm__ __volatile__( \
- "@ down_op_write\n" \
-" mrs ip, cpsr\n" \
-" orr lr, ip, #128\n" \
-" msr cpsr_c, lr\n" \
-" ldr lr, [%0]\n" \
-" subs lr, lr, %1\n" \
-" str lr, [%0]\n" \
-" msr cpsr_c, ip\n" \
-" movne ip, %0\n" \
-" blne " #fail \
- : \
- : "r" (ptr), "I" (RW_LOCK_BIAS) \
- : "ip", "lr", "cc"); \
- smp_mb(); \
- })
-
-#define __up_op_write(ptr,wake) \
- ({ \
- __asm__ __volatile__( \
- "@ up_op_write\n" \
-" mrs ip, cpsr\n" \
-" orr lr, ip, #128\n" \
-" msr cpsr_c, lr\n" \
-" ldr lr, [%0]\n" \
-" adds lr, lr, %1\n" \
-" str lr, [%0]\n" \
-" msr cpsr_c, ip\n" \
-" movcs ip, %0\n" \
-" blcs " #wake \
- : \
- : "r" (ptr), "I" (RW_LOCK_BIAS) \
- : "ip", "lr", "cc"); \
- smp_mb(); \
- })
-
-#define __down_op_read(ptr,fail) \
- __down_op(ptr, fail)
-
-#define __up_op_read(ptr,wake) \
- ({ \
- smp_mb(); \
- __asm__ __volatile__( \
- "@ up_op_read\n" \
-" mrs ip, cpsr\n" \
-" orr lr, ip, #128\n" \
-" msr cpsr_c, lr\n" \
-" ldr lr, [%0]\n" \
-" adds lr, lr, %1\n" \
-" str lr, [%0]\n" \
-" msr cpsr_c, ip\n" \
-" moveq ip, %0\n" \
-" bleq " #wake \
- : \
- : "r" (ptr), "I" (1) \
- : "ip", "lr", "cc"); \
- })
-
-#endif
-
-#endif