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-rw-r--r--c/src/lib/libbsp/arm/nds/libnds/source/common/interruptDispatcher.S322
1 files changed, 170 insertions, 152 deletions
diff --git a/c/src/lib/libbsp/arm/nds/libnds/source/common/interruptDispatcher.S b/c/src/lib/libbsp/arm/nds/libnds/source/common/interruptDispatcher.S
index 4ef656f132..c971bb3b20 100644
--- a/c/src/lib/libbsp/arm/nds/libnds/source/common/interruptDispatcher.S
+++ b/c/src/lib/libbsp/arm/nds/libnds/source/common/interruptDispatcher.S
@@ -1,27 +1,45 @@
-/*---------------------------------------------------------------------------------
- $Id$
-
- Copyright (C) 2005
- Dave Murphy (WinterMute)
-
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the authors be held liable for any
- damages arising from the use of this software.
-
- Permission is granted to anyone to use this software for any
- purpose, including commercial applications, and to alter it and
- redistribute it freely, subject to the following restrictions:
-
- 1. The origin of this software must not be misrepresented; you
- must not claim that you wrote the original software. If you use
- this software in a product, an acknowledgment in the product
- documentation would be appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and
- must not be misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source
- distribution.
-
+/*---------------------------------------------------------------------------------
+ $Id$
+
+ Copyright (C) 2005
+ Dave Murphy (WinterMute)
+
+ This software is provided 'as-is', without any express or implied
+ warranty. In no event will the authors be held liable for any
+ damages arising from the use of this software.
+
+ Permission is granted to anyone to use this software for any
+ purpose, including commercial applications, and to alter it and
+ redistribute it freely, subject to the following restrictions:
+
+ 1. The origin of this software must not be misrepresented; you
+ must not claim that you wrote the original software. If you use
+ this software in a product, an acknowledgment in the product
+ documentation would be appreciated but is not required.
+ 2. Altered source versions must be plainly marked as such, and
+ must not be misrepresented as being the original software.
+ 3. This notice may not be removed or altered from any source
+ distribution.
+
$Log$
+ Revision 1.1 2008/04/17 23:09:41 joel
+ 2008-04-17 Joel Sherrill <joel.sherrill@OARcorp.com>
+
+ * Makefile.am: Move .s files to .S
+ * dswifi/common/source/spinlock.S, libfat/source/disc_io/io_dldi.S,
+ libfat/source/disc_io/io_scsd_s.S, libnds/source/arm9/COS.S,
+ libnds/source/arm9/SIN.S, libnds/source/arm9/TAN.S,
+ libnds/source/arm9/dcache.S, libnds/source/arm9/default_font.S,
+ libnds/source/arm9/icache.S, libnds/source/common/biosCalls.S,
+ libnds/source/common/interruptDispatcher.S: New files.
+ * dswifi/common/source/spinlock.s, libfat/source/disc_io/io_dldi.s,
+ libfat/source/disc_io/io_scsd_s.s, libnds/source/arm9/COS.s,
+ libnds/source/arm9/SIN.s, libnds/source/arm9/TAN.s,
+ libnds/source/arm9/dcache.s, libnds/source/arm9/default_font.s,
+ libnds/source/arm9/exceptionHandler.s, libnds/source/arm9/icache.s,
+ libnds/source/common/biosCalls.s,
+ libnds/source/common/interruptDispatcher.s: Removed.
+
Revision 1.1 2008/04/16 18:37:33 joel
2008-04-16 Matthieu Bucchianeri <mbucchia@gmail.com>
@@ -159,132 +177,132 @@
touchscreen/reco.h, touchscreen/touchscreen.c,
touchscreen/touchscreen.h, wifi/compat.c, wifi/compat.h, wifi/wifi.c:
New files.
-
- Revision 1.10 2007/08/11 06:00:23 wntrmute
- make nesting really work
-
- Revision 1.9 2007/01/10 15:48:27 wntrmute
- remove unused code
-
- Revision 1.8 2006/12/16 09:10:02 wntrmute
- acknowledge interrupt before calling handler
-
- Revision 1.7 2006/04/26 05:11:31 wntrmute
- rebase dtcm, take __irq_flags and __irq_vector from linker script
- move arm7 irq vector & irq flags to actual locations
-
- Revision 1.6 2006/04/23 18:19:15 wntrmute
- reworked interrupt code to allow dtcm moving
-
- Revision 1.5 2005/12/12 13:01:55 wntrmute
- disable interrupts on return from user handler
-
- Revision 1.4 2005/10/21 22:43:42 wntrmute
- restore REG_IME on exit from null handler
-
- Revision 1.3 2005/09/27 18:21:53 wntrmute
- safer nested interrupt support
-
- Revision 1.2 2005/09/04 16:37:01 wntrmute
- check for NULL handler
-
- Revision 1.1 2005/09/03 17:09:35 wntrmute
- added interworking aware interrupt dispatcher
-
-
----------------------------------------------------------------------------------*/
-
-#ifdef ARM7
- .text
-#endif
-
-#ifdef ARM9
- .section .itcm,"ax",%progbits
-#endif
-
- .extern irqTable
- .code 32
-
- .global IntrMain
-@---------------------------------------------------------------------------------
-IntrMain:
-@---------------------------------------------------------------------------------
- mov r3, #0x4000000 @ REG_BASE
-
- ldr r1, [r3, #0x208] @ r1 = IME
- str r3, [r3, #0x208] @ disable IME
- mrs r0, spsr
- stmfd sp!, {r0-r1,r3,lr} @ {spsr, IME, REG_BASE, lr_irq}
-
- ldr r1, [r3,#0x210] @ REG_IE
- ldr r2, [r3,#0x214] @ REG_IF
- and r1,r1,r2
-
- ldr r0,=__irq_flags @ defined by linker script
-
- ldr r2,[r0]
- orr r2,r2,r1
- str r2,[r0]
-
- ldr r2,=irqTable
-@---------------------------------------------------------------------------------
-findIRQ:
-@---------------------------------------------------------------------------------
- ldr r0, [r2, #4]
- cmp r0,#0
- beq no_handler
- ands r0, r0, r1
- bne jump_intr
- add r2, r2, #8
- b findIRQ
-
-@---------------------------------------------------------------------------------
-no_handler:
-@---------------------------------------------------------------------------------
- str r1, [r3, #0x0214] @ IF Clear
- ldmfd sp!, {r0-r1,r3,lr} @ {spsr, IME, REG_BASE, lr_irq}
- str r1, [r3, #0x208] @ restore REG_IME
- mov pc,lr
-
-@---------------------------------------------------------------------------------
-jump_intr:
-@---------------------------------------------------------------------------------
- ldr r1, [r2] @ user IRQ handler address
- cmp r1, #0
- bne got_handler
- mov r1, r0
- b no_handler
-@---------------------------------------------------------------------------------
-got_handler:
-@---------------------------------------------------------------------------------
-
- mrs r2, cpsr
- bic r2, r2, #0xdf @ \__
- orr r2, r2, #0x1f @ / --> Enable IRQ & FIQ. Set CPU mode to System.
- msr cpsr,r2
-
- str r0, [r3, #0x0214] @ IF Clear
-
- push {lr}
- adr lr, IntrRet
- bx r1
-
-@---------------------------------------------------------------------------------
-IntrRet:
-@---------------------------------------------------------------------------------
- mov r3, #0x4000000 @ REG_BASE
- str r3, [r3, #0x208] @ disable IME
- pop {lr}
-
- mrs r3, cpsr
- bic r3, r3, #0xdf @ \__
- orr r3, r3, #0x92 @ / --> Disable IRQ. Enable FIQ. Set CPU mode to IRQ.
- msr cpsr, r3
-
- ldmfd sp!, {r0-r1,r3,lr} @ {spsr, IME, REG_BASE, lr_irq}
- msr spsr, r0 @ restore spsr
- str r1, [r3, #0x208] @ restore REG_IME
- mov pc,lr
-
- .pool
- .end
+
+ Revision 1.10 2007/08/11 06:00:23 wntrmute
+ make nesting really work
+
+ Revision 1.9 2007/01/10 15:48:27 wntrmute
+ remove unused code
+
+ Revision 1.8 2006/12/16 09:10:02 wntrmute
+ acknowledge interrupt before calling handler
+
+ Revision 1.7 2006/04/26 05:11:31 wntrmute
+ rebase dtcm, take __irq_flags and __irq_vector from linker script
+ move arm7 irq vector & irq flags to actual locations
+
+ Revision 1.6 2006/04/23 18:19:15 wntrmute
+ reworked interrupt code to allow dtcm moving
+
+ Revision 1.5 2005/12/12 13:01:55 wntrmute
+ disable interrupts on return from user handler
+
+ Revision 1.4 2005/10/21 22:43:42 wntrmute
+ restore REG_IME on exit from null handler
+
+ Revision 1.3 2005/09/27 18:21:53 wntrmute
+ safer nested interrupt support
+
+ Revision 1.2 2005/09/04 16:37:01 wntrmute
+ check for NULL handler
+
+ Revision 1.1 2005/09/03 17:09:35 wntrmute
+ added interworking aware interrupt dispatcher
+
+
+---------------------------------------------------------------------------------*/
+
+#ifdef ARM7
+ .text
+#endif
+
+#ifdef ARM9
+ .section .itcm,"ax",%progbits
+#endif
+
+ .extern irqTable
+ .code 32
+
+ .global IntrMain
+@---------------------------------------------------------------------------------
+IntrMain:
+@---------------------------------------------------------------------------------
+ mov r3, #0x4000000 @ REG_BASE
+
+ ldr r1, [r3, #0x208] @ r1 = IME
+ str r3, [r3, #0x208] @ disable IME
+ mrs r0, spsr
+ stmfd sp!, {r0-r1,r3,lr} @ {spsr, IME, REG_BASE, lr_irq}
+
+ ldr r1, [r3,#0x210] @ REG_IE
+ ldr r2, [r3,#0x214] @ REG_IF
+ and r1,r1,r2
+
+ ldr r0,=__irq_flags @ defined by linker script
+
+ ldr r2,[r0]
+ orr r2,r2,r1
+ str r2,[r0]
+
+ ldr r2,=irqTable
+@---------------------------------------------------------------------------------
+findIRQ:
+@---------------------------------------------------------------------------------
+ ldr r0, [r2, #4]
+ cmp r0,#0
+ beq no_handler
+ ands r0, r0, r1
+ bne jump_intr
+ add r2, r2, #8
+ b findIRQ
+
+@---------------------------------------------------------------------------------
+no_handler:
+@---------------------------------------------------------------------------------
+ str r1, [r3, #0x0214] @ IF Clear
+ ldmfd sp!, {r0-r1,r3,lr} @ {spsr, IME, REG_BASE, lr_irq}
+ str r1, [r3, #0x208] @ restore REG_IME
+ mov pc,lr
+
+@---------------------------------------------------------------------------------
+jump_intr:
+@---------------------------------------------------------------------------------
+ ldr r1, [r2] @ user IRQ handler address
+ cmp r1, #0
+ bne got_handler
+ mov r1, r0
+ b no_handler
+@---------------------------------------------------------------------------------
+got_handler:
+@---------------------------------------------------------------------------------
+
+ mrs r2, cpsr
+ bic r2, r2, #0xdf @ \__
+ orr r2, r2, #0x1f @ / --> Enable IRQ & FIQ. Set CPU mode to System.
+ msr cpsr,r2
+
+ str r0, [r3, #0x0214] @ IF Clear
+
+ push {lr}
+ adr lr, IntrRet
+ bx r1
+
+@---------------------------------------------------------------------------------
+IntrRet:
+@---------------------------------------------------------------------------------
+ mov r3, #0x4000000 @ REG_BASE
+ str r3, [r3, #0x208] @ disable IME
+ pop {lr}
+
+ mrs r3, cpsr
+ bic r3, r3, #0xdf @ \__
+ orr r3, r3, #0x92 @ / --> Disable IRQ. Enable FIQ. Set CPU mode to IRQ.
+ msr cpsr, r3
+
+ ldmfd sp!, {r0-r1,r3,lr} @ {spsr, IME, REG_BASE, lr_irq}
+ msr spsr, r0 @ restore spsr
+ str r1, [r3, #0x208] @ restore REG_IME
+ mov pc,lr
+
+ .pool
+ .end
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