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Date: Wed, 26 Aug 2009 14:17:48 +0800
From: Chen Liqin <liqin.chen@...plusct.com>
To: linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Arnd Bergmann <arnd@...db.de>, torvalds@...ux-foundation.org
Subject: Subject: [PATCH 11/33] score: create head files hardirq.h hw_irq.h
irq.h irqflags.h irq_regs.h
>>From f305766cc791c2e727aa80be85af6df5cf707dd0 Mon Sep 17 00:00:00 2001
From: Chen Liqin <liqin.chen@...plusct.com>
Date: Wed, 26 Aug 2009 10:05:01 +0800
Subject: [PATCH 11/33] score: create head files hardirq.h hw_irq.h irq.h irqflags.h irq_regs.h
Signed-off-by: Chen Liqin <liqin.chen@...plusct.com>
---
arch/score/include/asm/hardirq.h | 6 ++
arch/score/include/asm/hw_irq.h | 4 ++
arch/score/include/asm/irq.h | 25 +++++++++
arch/score/include/asm/irq_regs.h | 11 ++++
arch/score/include/asm/irqflags.h | 109 +++++++++++++++++++++++++++++++++++++
5 files changed, 155 insertions(+), 0 deletions(-)
create mode 100644 arch/score/include/asm/hardirq.h
create mode 100644 arch/score/include/asm/hw_irq.h
create mode 100644 arch/score/include/asm/irq.h
create mode 100644 arch/score/include/asm/irq_regs.h
create mode 100644 arch/score/include/asm/irqflags.h
diff --git a/arch/score/include/asm/hardirq.h b/arch/score/include/asm/hardirq.h
new file mode 100644
index 0000000..dc932c5
--- /dev/null
+++ b/arch/score/include/asm/hardirq.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_HARDIRQ_H
+#define _ASM_SCORE_HARDIRQ_H
+
+#include <asm-generic/hardirq.h>
+
+#endif /* _ASM_SCORE_HARDIRQ_H */
diff --git a/arch/score/include/asm/hw_irq.h b/arch/score/include/asm/hw_irq.h
new file mode 100644
index 0000000..4caafb2
--- /dev/null
+++ b/arch/score/include/asm/hw_irq.h
@@ -0,0 +1,4 @@
+#ifndef _ASM_SCORE_HW_IRQ_H
+#define _ASM_SCORE_HW_IRQ_H
+
+#endif /* _ASM_SCORE_HW_IRQ_H */
diff --git a/arch/score/include/asm/irq.h b/arch/score/include/asm/irq.h
new file mode 100644
index 0000000..c883f3d
--- /dev/null
+++ b/arch/score/include/asm/irq.h
@@ -0,0 +1,25 @@
+#ifndef _ASM_SCORE_IRQ_H
+#define _ASM_SCORE_IRQ_H
+
+#define EXCEPTION_VECTOR_BASE_ADDR 0xa0000000
+#define VECTOR_ADDRESS_OFFSET_MODE4 0
+#define VECTOR_ADDRESS_OFFSET_MODE16 1
+
+#define DEBUG_VECTOR_SIZE (0x4)
+#define DEBUG_VECTOR_BASE_ADDR ((EXCEPTION_VECTOR_BASE_ADDR) + 0x1fc)
+
+#define GENERAL_VECTOR_SIZE (0x10)
+#define GENERAL_VECTOR_BASE_ADDR ((EXCEPTION_VECTOR_BASE_ADDR) + 0x200)
+
+#define NR_IRQS 64
+#define IRQ_VECTOR_SIZE (0x10)
+#define IRQ_VECTOR_BASE_ADDR ((EXCEPTION_VECTOR_BASE_ADDR) + 0x210)
+#define IRQ_VECTOR_END_ADDR ((EXCEPTION_VECTOR_BASE_ADDR) + 0x5f0)
+
+#define irq_canonicalize(irq) (irq)
+
+#define IRQ_TIMER (7) /* Timer IRQ number of SPCT6600 */
+
+extern void interrupt_exception_vector(void);
+
+#endif /* _ASM_SCORE_IRQ_H */
diff --git a/arch/score/include/asm/irq_regs.h b/arch/score/include/asm/irq_regs.h
new file mode 100644
index 0000000..b8e881c
--- /dev/null
+++ b/arch/score/include/asm/irq_regs.h
@@ -0,0 +1,11 @@
+#ifndef _ASM_SCORE_IRQ_REGS_H
+#define _ASM_SCORE_IRQ_REGS_H
+
+#include <linux/thread_info.h>
+
+static inline struct pt_regs *get_irq_regs(void)
+{
+ return current_thread_info()->regs;
+}
+
+#endif /* _ASM_SCORE_IRQ_REGS_H */
diff --git a/arch/score/include/asm/irqflags.h b/arch/score/include/asm/irqflags.h
new file mode 100644
index 0000000..690a6ca
--- /dev/null
+++ b/arch/score/include/asm/irqflags.h
@@ -0,0 +1,109 @@
+#ifndef _ASM_SCORE_IRQFLAGS_H
+#define _ASM_SCORE_IRQFLAGS_H
+
+#ifndef __ASSEMBLY__
+
+#define raw_local_irq_save(x) \
+{ \
+ __asm__ __volatile__( \
+ "mfcr r8, cr0;" \
+ "li r9, 0xfffffffe;" \
+ "nop;" \
+ "mv %0, r8;" \
+ "and r8, r8, r9;" \
+ "mtcr r8, cr0;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ : "=r" (x) \
+ : \
+ : "r8", "r9" \
+ ); \
+}
+
+#define raw_local_irq_restore(x) \
+{ \
+ __asm__ __volatile__( \
+ "mfcr r8, cr0;" \
+ "ldi r9, 0x1;" \
+ "and %0, %0, r9;" \
+ "or r8, r8, %0;" \
+ "mtcr r8, cr0;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ : \
+ : "r"(x) \
+ : "r8", "r9" \
+ ); \
+}
+
+#define raw_local_irq_enable(void) \
+{ \
+ __asm__ __volatile__( \
+ "mfcr\tr8,cr0;" \
+ "nop;" \
+ "nop;" \
+ "ori\tr8,0x1;" \
+ "mtcr\tr8,cr0;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ : \
+ : \
+ : "r8"); \
+}
+
+#define raw_local_irq_disable(void) \
+{ \
+ __asm__ __volatile__( \
+ "mfcr\tr8,cr0;" \
+ "nop;" \
+ "nop;" \
+ "srli\tr8,r8,1;" \
+ "slli\tr8,r8,1;" \
+ "mtcr\tr8,cr0;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ : \
+ : \
+ : "r8"); \
+}
+
+#define raw_local_save_flags(x) \
+{ \
+ __asm__ __volatile__( \
+ "mfcr r8, cr0;" \
+ "nop;" \
+ "nop;" \
+ "mv %0, r8;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "ldi r9, 0x1;" \
+ "and %0, %0, r9;" \
+ : "=r" (x) \
+ : \
+ : "r8", "r9" \
+ ); \
+}
+
+static inline int raw_irqs_disabled_flags(unsigned long flags)
+{
+ return !(flags & 1);
+}
+
+#endif
+
+#endif /* _ASM_SCORE_IRQFLAGS_H */
--
1.6.2
--
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