patch-2.3.13 linux/arch/arm/kernel/entry-armo.S

• Lines: 16
• Date: Mon Aug 2 10:19:52 1999
• Orig file: v2.3.12/linux/arch/arm/kernel/entry-armo.S
• Orig date: Thu Jun 17 01:11:35 1999

diff -u --recursive --new-file v2.3.12/linux/arch/arm/kernel/entry-armo.S linux/arch/arm/kernel/entry-armo.S
@@ -650,6 +650,15 @@
 		b	SYMBOL_NAME(do_DataAbort)
 
 /*
+ * Register switch for older 26-bit only ARMs
+ */
+ENTRY(__switch_to)
+		stmfd	sp!, {r4 - r9, fp, lr}		@ Store most regs on stack
+		str	sp, [r0, #TSS_SAVE]		@ Save sp_SVC
+		ldr	sp, [r1, #TSS_SAVE]		@ Get saved sp_SVC
+		ldmfd	sp!, {r4 - r9, fp, pc}^		@ Load all regs saved previously
+
+/*
  *=============================================================================
  *		Low-level interface code
  *-----------------------------------------------------------------------------