patch-2.4.0-test7 linux/include/asm-arm/proc-armv/assembler.h
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- Lines: 34
- Date:
Sun Aug 13 09:54:15 2000
- Orig file:
v2.4.0-test6/linux/include/asm-arm/proc-armv/assembler.h
- Orig date:
Fri Jun 23 21:55:11 2000
diff -u --recursive --new-file v2.4.0-test6/linux/include/asm-arm/proc-armv/assembler.h linux/include/asm-arm/proc-armv/assembler.h
@@ -6,10 +6,6 @@
* This file contains ARM processor specifics for
* the ARM6 and better processors.
*/
-#ifndef __ASSEMBLY__
-#error "Only include this from assembly code"
-#endif
-
#define MODE_USR USR_MODE
#define MODE_FIQ FIQ_MODE
#define MODE_IRQ IRQ_MODE
@@ -35,9 +31,8 @@
instr regs
/*
- * Save the current IRQ state and disable IRQs
- * Note that this macro assumes FIQs are enabled, and
- * that the processor is in SVC mode.
+ * Save the current IRQ state and disable IRQs. Note that this macro
+ * assumes FIQs are enabled, and that the processor is in SVC mode.
*/
.macro save_and_disable_irqs, oldcpsr, temp
mrs \oldcpsr, cpsr
@@ -46,8 +41,8 @@
.endm
/*
- * Restore interrupt state previously stored in
- * a register
+ * Restore interrupt state previously stored in a register. We don't
+ * guarantee that this will preserve the flags.
*/
.macro restore_irqs, oldcpsr
msr cpsr_c, \oldcpsr
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