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Fixed bug 3187105. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2744 35acf78f-673a-0410-8e92-d51de3d6d3f4
master
gdisirio 2011-02-19 21:23:12 +00:00
parent 690d08a1f9
commit 11af394fec
4 changed files with 9 additions and 4 deletions
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5
os/ports/GCC/ARMCMx/chcore_v6m.c
View File

@ -75,7 +75,7 @@ void _port_switch_from_isr(void) {
chSchDoRescheduleI();
/* Note, the last registers are restored alone after re-enabling the
/* Note, the last register is restored alone after re-enabling the
interrupts in order to minimize the (very remote and unlikely)
possibility that the stack is filled by continuous and saturating
interrupts that would not allow that last words to be pulled out of
@ -84,8 +84,9 @@ void _port_switch_from_isr(void) {
"mov r12, r1 \n\t"
"msr APSR, r0 \n\t"
"mov lr, r2 \n\t"
"pop {r0, r1, r2, r3} \n\t"
"cpsie i \n\t"
"pop {r0, r1, r2, r3, pc}" : : : "memory");
"pop {pc}" : : : "memory");
}
#define PUSH_CONTEXT(sp) { \

3
os/ports/IAR/ARMCMx/chcoreasm_v6m.s
View File

@ -96,8 +96,9 @@ _port_switch_from_isr:
mov r12, r1
msr APSR, r0
mov lr, r2
pop {r0, r1, r2, r3}
cpsie i
pop {r0, r1, r2, r3, pc}
pop {pc}
/*
* Reschedule verification and setup after an IRQ.

3
os/ports/RVCT/ARMCMx/chcoreasm_v6m.s
View File

@ -93,8 +93,9 @@ _port_switch_from_isr PROC
mov r12, r1
msr APSR, r0
mov lr, r2
pop {r0, r1, r2, r3}
cpsie i
pop {r0, r1, r2, r3, pc}
pop {pc}
ENDP
/*

2
readme.txt
View File

@ -69,6 +69,8 @@
*****************************************************************************
*** 2.3.0 ***
- FIX: Stack overflow in CM0 port when nearing interrupts saturation (bug
3187105)(backported to 2.2.1).
- FIX: Error in MAC driver (bug 3179783)(backported to 2.2.1).
- FIX: Fixed wrong serial driver macros (bug 3173336)(backported to 2.2.1).
- NEW: Added experimental generic USB driver, it will evolve in next