patch-2.1.121 linux/arch/arm/kernel/entry-common.S
Next file: linux/arch/arm/kernel/fiq.c
Previous file: linux/arch/arm/kernel/entry-armv.S
Back to the patch index
Back to the overall index
- Lines: 88
- Date:
Sun Sep 6 10:44:47 1998
- Orig file:
v2.1.120/linux/arch/arm/kernel/entry-common.S
- Orig date:
Tue Jul 21 00:15:30 1998
diff -u --recursive --new-file v2.1.120/linux/arch/arm/kernel/entry-common.S linux/arch/arm/kernel/entry-common.S
@@ -6,8 +6,6 @@
.globl ret_from_sys_call
- .globl SYMBOL_NAME(fpreturn)
-SYMBOL_NAME(fpreturn):
ret_from_exception:
adr r0, 1f
ldmia r0, {r0, r1}
@@ -36,12 +34,10 @@
bne SYMBOL_NAME(do_bottom_half)
ret_with_reschedule:
- ldr r0, 1f + 8
- ldr r0, [r0]
+ get_current_task r1
+ ldr r0, [r1, #TSK_NEED_RESCHED]
teq r0, #0
bne 2b
-
- get_current_task r1
ldr r1, [r1, #TSK_SIGPENDING]
teq r1, #0
bne ret_signal
@@ -50,7 +46,6 @@
1: .word SYMBOL_NAME(bh_mask)
.word SYMBOL_NAME(bh_active)
- .word SYMBOL_NAME(need_resched)
/*=============================================================================
* SWI handler
@@ -211,8 +206,11 @@
* What we need to put into 0-0x1c are ldrs to branch to 0xC0000000
* (the kernel).
* 0x1c onwards is reserved for FIQ, so I think that I will allocate 0xe0 onwards for
- * the actuall address to jump to.
+ * the actual address to jump to.
*/
+
+ .section ".text.init",#alloc,#execinstr
+
#if defined(CONFIG_CPU_32)
/*
* these go into 0x00
@@ -281,39 +279,13 @@
ldmfd sp!, {r4 - r7, pc}^
#endif
+ .previous
+
/*============================================================================
* FP support
*/
-1: .word SYMBOL_NAME(fp_save)
- .word SYMBOL_NAME(fp_restore)
-
-.Lfpnull: mov pc, lr
-
-
-/*
- * Function to call when switching tasks to save FP state
- */
-ENTRY(fpe_save)
- ldr r1, 1b
- ldr pc, [r1]
-
-/*
- * Function to call when switching tasks to restore FP state
- */
-ENTRY(fpe_restore)
- ldr r1, 1b + 4
- ldr pc, [r1]
-
-
.data
ENTRY(fp_enter)
- .word SYMBOL_NAME(fpundefinstr)
- .word SYMBOL_NAME(fpundefinstrsvc)
-
-ENTRY(fp_save)
- .word .Lfpnull
-ENTRY(fp_restore)
- .word .Lfpnull
-
+ .word fpundefinstr
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen, slshen@lbl.gov