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authorgdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2014-10-14 08:38:51 +0000
committergdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2014-10-14 08:38:51 +0000
commit3b0fd0fa92ec80455944ff3313b24df0644d73a9 (patch)
tree0b6139ba46f4608af0ab72504debb51d688ad453
parent335d2b220f7f23db9ea1bcbe62fbd2d7e0c7204f (diff)
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7394 35acf78f-673a-0410-8e92-d51de3d6d3f4
-rw-r--r--os/common/ports/ARM/compilers/GCC/irq.s59
-rw-r--r--os/common/ports/ARM/compilers/GCC/rules.ld1
-rw-r--r--os/rt/ports/ARM/compilers/GCC/chcoreasm.s18
-rw-r--r--os/rt/ports/ARM/compilers/GCC/mk/port_lpc214x.mk1
4 files changed, 18 insertions, 61 deletions
diff --git a/os/common/ports/ARM/compilers/GCC/irq.s b/os/common/ports/ARM/compilers/GCC/irq.s
deleted file mode 100644
index 9fd117412..000000000
--- a/os/common/ports/ARM/compilers/GCC/irq.s
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- ChibiOS - Copyright (C) 2006,2007,2008,2009,2010,
- 2011,2012,2013,2014 Giovanni Di Sirio.
-
- This file is part of ChibiOS.
-
- ChibiOS is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- ChibiOS is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-/**
- * @file ARM/compilers/GCC/irq.s
- * @brief IRQ handling for ARM devices.
- *
- * @defgroup ARM_IRQ ARM IRQ Handling
- * @{
- */
-
-#define __FROM_ASM__
-#include "armparams.h"
-
-#if !defined(__DOXYGEN__)
-
- .section irq, "ax"
- .code 32
- .balign 4
-
-/*
- * IRQ entry point, note this code is always located at address 0x40, the
- * IRQ controller data register offset must be calculated accordingly.
- */
- .global Irq_Handler
-Irq_Handler:
- stmfd sp!, {r0-r3, r12, lr}
- ldr r0, =ARM_IRQ_VECTOR_REG
- ldr r0, [r0]
- ldr lr, =_port_irq_common
- bx r0
-
- .weak _port_irq_common
-_port_irq_common:
- // This exit sequence is usually replaced by the RTOS
- // specific one.
- ldmfd sp!, {r0-r3, r12, lr}
- subs pc, lr, #4
-
-#endif
-
-/** @} */
diff --git a/os/common/ports/ARM/compilers/GCC/rules.ld b/os/common/ports/ARM/compilers/GCC/rules.ld
index 09755b93a..8d131b75b 100644
--- a/os/common/ports/ARM/compilers/GCC/rules.ld
+++ b/os/common/ports/ARM/compilers/GCC/rules.ld
@@ -40,7 +40,6 @@ SECTIONS
startup : ALIGN(16) SUBALIGN(16)
{
KEEP(*(vectors))
- KEEP(*(irq))
} > flash
constructors : ALIGN(4) SUBALIGN(4)
diff --git a/os/rt/ports/ARM/compilers/GCC/chcoreasm.s b/os/rt/ports/ARM/compilers/GCC/chcoreasm.s
index 3667a0e80..7c33135bf 100644
--- a/os/rt/ports/ARM/compilers/GCC/chcoreasm.s
+++ b/os/rt/ports/ARM/compilers/GCC/chcoreasm.s
@@ -26,7 +26,9 @@
* @{
*/
+#define __FROM_ASM__
#include "chconf.h"
+#include "armparams.h"
#define FALSE 0
#define TRUE 1
@@ -137,6 +139,22 @@ _port_switch_arm:
#endif /* !defined(THUMB_PRESENT) */
/*
+ * Common IRQ code. It expects a macro ARM_IRQ_VECTOR_REG with the address
+ * of a register holding the address of the ISR to be invoked, the IRS will
+ * then return in the common epilogue code where the context switch will
+ * be performed if required.
+ */
+ .code 32
+ .func
+ .global Irq_Handler
+Irq_Handler:
+ stmfd sp!, {r0-r3, r12, lr}
+ ldr r0, =ARM_IRQ_VECTOR_REG
+ ldr r0, [r0]
+ ldr lr, =_port_irq_common
+ bx r0
+
+/*
* Common exit point for all IRQ routines, it performs the rescheduling if
* required.
* System stack frame structure after a context switch in the
diff --git a/os/rt/ports/ARM/compilers/GCC/mk/port_lpc214x.mk b/os/rt/ports/ARM/compilers/GCC/mk/port_lpc214x.mk
index 1f91d144d..68ea1cdf7 100644
--- a/os/rt/ports/ARM/compilers/GCC/mk/port_lpc214x.mk
+++ b/os/rt/ports/ARM/compilers/GCC/mk/port_lpc214x.mk
@@ -2,7 +2,6 @@
PORTSRC = ${CHIBIOS}/os/rt/ports/ARM/chcore.c
PORTASM = $(CHIBIOS)/os/common/ports/ARM/compilers/GCC/vectors.s \
- $(CHIBIOS)/os/common/ports/ARM/compilers/GCC/irq.s \
$(CHIBIOS)/os/common/ports/ARM/compilers/GCC/crt0.s \
$(CHIBIOS)/os/rt/ports/ARM/compilers/GCC/chcoreasm.s