X-Git-Url: http://wien.tomnetworks.com/gitweb/?p=ppcskel.git;a=blobdiff_plain;f=irq.h;h=2e09926b2710405822940383e86f025ed872c752;hp=360489c8a4aee71b9c585baa766ae6c91109cd33;hb=HEAD;hpb=3169c95c4ddd84c74a397760d617e840530c13e0

diff --git a/irq.h b/irq.h
index 360489c..2e09926 100644
--- a/irq.h
+++ b/irq.h
@@ -1,14 +1,73 @@
+/*
+	ppcskel - a Free Software replacement for the Nintendo/BroadOn IOS.
+	IRQ support
+
+Copyright (C) 2009		Bernhard Urban <lewurm@gmx.net>
+Copyright (C) 2009		Sebastian Falbesoner <sebastian.falbesoner@gmail.com>
+
+# This code is licensed to you under the terms of the GNU GPL, version 2;
+# see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
+*/
+
 #ifndef __IRQ_H__
 #define __IRQ_H__
 
-/* hollywood-pic registers */
-#define HW_PPCIRQFLAG (0x0d800030)
-#define HW_PPCIRQMASK (0x0d800034)
+#include "types.h"
+
+#ifdef CAN_HAZ_IRQ
+#define IRQ_TIMER	0
+#define IRQ_NAND	1
+#define IRQ_AES		2
+#define IRQ_SHA1	3
+#define IRQ_EHCI	4
+#define IRQ_OHCI0	5
+#define IRQ_OHCI1	6
+#define IRQ_SDHC	7
+#define IRQ_WIFI	8
+#define IRQ_GPIO1B	10
+#define IRQ_GPIO1	11
+#define IRQ_RESET	17
+#define IRQ_PPCIPC	30
+#define IRQ_IPC		31
+
+#define IRQF_TIMER	(1<<IRQ_TIMER)
+#define IRQF_NAND	(1<<IRQ_NAND)
+#define IRQF_AES	(1<<IRQ_AES)
+#define IRQF_SDHC	(1<<IRQ_SDHC)
+#define IRQF_GPIO1B	(1<<IRQ_GPIO1B)
+#define IRQF_GPIO1	(1<<IRQ_GPIO1)
+#define IRQF_RESET	(1<<IRQ_RESET)
+#define IRQF_IPC	(1<<IRQ_IPC)
+#define IRQF_OHCI0 	(1<<IRQ_OHCI0)
+#define IRQF_OHCI1 	(1<<IRQ_OHCI1)
 
+#define IRQF_ALL	( \
+	IRQF_TIMER|IRQF_NAND|IRQF_GPIO1B|IRQF_GPIO1| \
+	IRQF_RESET|IRQF_IPC|IRQF_AES|IRQF_SDHC| \
+	IRQF_OHCI0|IRQF_OHCI1 \
+	)
+
+/* broadway.h? :o */
 /* broadway processor interface registers */
 #define BW_PI_IRQFLAG (0x0c003000)
 #define BW_PI_IRQMASK (0x0c003004)
 
+// http://hitmen.c02.at/files/yagcd/yagcd/chap5.html#sec5.4
+#define BW_PI_IRQ_RESET 	1
+#define BW_PI_IRQ_DI 		2
+#define BW_PI_IRQ_SI 		3
+#define BW_PI_IRQ_EXI 		4
+#define BW_PI_IRQ_AI 	 	5
+#define BW_PI_IRQ_DSP 	 	6
+#define BW_PI_IRQ_MEM 	 	7
+#define BW_PI_IRQ_VI 	 	8
+#define BW_PI_IRQ_PE_TOKEN 	9
+#define BW_PI_IRQ_PE_FINISH 	10
+#define BW_PI_IRQ_CP 	 	11
+#define BW_PI_IRQ_DEBUG 	12
+#define BW_PI_IRQ_HSP 	 	13
+#define BW_PI_IRQ_HW 		14 //hollywood pic
+
 /* stolen from libogc - gc/ogc/machine/processor.h */
 #define _CPU_ISR_Enable() \
 	{ register u32 _val = 0; \
@@ -47,4 +106,38 @@
 	); \
   }
 
+void irq_initialize(void);
+void irq_shutdown(void);
+
+void irq_handler(void);
+
+void irq_bw_enable(u32 irq);
+void irq_bw_disable(u32 irq);
+void irq_hw_enable(u32 irq);
+void irq_hw_disable(u32 irq);
+
+u32 irq_kill(void);
+void irq_restore(u32 cookie);
+
+/* TODO: port to ppc 
+static inline void irq_wait(void)
+{
+	u32 data = 0;
+	__asm__ volatile ( "mcr\tp15, 0, %0, c7, c0, 4" : : "r" (data) );
+}
+*/
+
+#endif
+
+#else
+// stub functions allow us to avoid sprinkling other code with ifdefs
+static inline u32 irq_kill(void) {
+	return 0;
+}
+
+static inline void irq_restore(u32 cookie) {
+	(void)cookie;
+}
 #endif
+
+