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Message-Id: <abb46d366b513b814f7af234d560306a818b7324.1536758961.git.ren_guo@c-sky.com>
Date: Wed, 12 Sep 2018 22:51:59 +0800
From: Guo Ren <ren_guo@...ky.com>
To: linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
tglx@...utronix.de, daniel.lezcano@...aro.org,
jason@...edaemon.net, arnd@...db.de, devicetree@...r.kernel.org,
andrea.parri@...rulasolutions.com, peterz@...radead.org
Cc: c-sky_gcc_upstream@...ky.com, gnu-csky@...tor.com,
thomas.petazzoni@...tlin.com, wbx@...ibc-ng.org, ren_guo@...ky.com,
green.hu@...il.com
Subject: [PATCH V4 17/27] csky: Misc headers
Signed-off-by: Guo Ren <ren_guo@...ky.com>
---
arch/csky/abiv1/inc/abi/reg_ops.h | 26 +++
arch/csky/abiv1/inc/abi/regdef.h | 25 +++
arch/csky/abiv2/inc/abi/reg_ops.h | 17 ++
arch/csky/abiv2/inc/abi/regdef.h | 26 +++
arch/csky/boot/dts/qemu.dts | 77 +++++++++
arch/csky/include/asm/bitops.h | 281 +++++++++++++++++++++++++++++++++
arch/csky/include/asm/checksum.h | 54 +++++++
arch/csky/include/asm/compat.h | 11 ++
arch/csky/include/asm/reg_ops.h | 22 +++
arch/csky/include/uapi/asm/byteorder.h | 9 ++
arch/csky/kernel/asm-offsets.c | 85 ++++++++++
11 files changed, 633 insertions(+)
create mode 100644 arch/csky/abiv1/inc/abi/reg_ops.h
create mode 100644 arch/csky/abiv1/inc/abi/regdef.h
create mode 100644 arch/csky/abiv2/inc/abi/reg_ops.h
create mode 100644 arch/csky/abiv2/inc/abi/regdef.h
create mode 100644 arch/csky/boot/dts/qemu.dts
create mode 100644 arch/csky/include/asm/bitops.h
create mode 100644 arch/csky/include/asm/checksum.h
create mode 100644 arch/csky/include/asm/compat.h
create mode 100644 arch/csky/include/asm/reg_ops.h
create mode 100644 arch/csky/include/uapi/asm/byteorder.h
create mode 100644 arch/csky/kernel/asm-offsets.c
diff --git a/arch/csky/abiv1/inc/abi/reg_ops.h b/arch/csky/abiv1/inc/abi/reg_ops.h
new file mode 100644
index 0000000..c5d2ff4
--- /dev/null
+++ b/arch/csky/abiv1/inc/abi/reg_ops.h
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
+#ifndef __ABI_REG_OPS_H
+#define __ABI_REG_OPS_H
+#include <asm/reg_ops.h>
+
+#define cprcr(reg) \
+({ \
+ unsigned int tmp; \
+ asm volatile("cprcr %0, "reg"\n":"=b"(tmp)); \
+ tmp; \
+})
+
+#define cpwcr(reg, val) \
+({ \
+ asm volatile("cpwcr %0, "reg"\n"::"b"(val)); \
+})
+
+static inline unsigned int mfcr_hint(void)
+{
+ return mfcr("cr30");
+}
+
+static inline unsigned int mfcr_ccr2(void){return 0;}
+
+#endif /* __ABI_REG_OPS_H */
diff --git a/arch/csky/abiv1/inc/abi/regdef.h b/arch/csky/abiv1/inc/abi/regdef.h
new file mode 100644
index 0000000..cc4cebd
--- /dev/null
+++ b/arch/csky/abiv1/inc/abi/regdef.h
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
+#ifndef __ASM_CSKY_REGDEF_H
+#define __ASM_CSKY_REGDEF_H
+
+#define syscallid r1
+#define r11_sig r11
+
+#define regs_syscallid(regs) regs->regs[9]
+
+/*
+ * PSR format:
+ * | 31 | 30-24 | 23-16 | 15 14 | 13-0 |
+ * S CPID VEC TM
+ *
+ * S: Super Mode
+ * CPID: Coprocessor id, only 15 for MMU
+ * VEC: Exception Number
+ * TM: Trace Mode
+ */
+#define DEFAULT_PSR_VALUE 0x8f000000
+
+#define SYSTRACE_SAVENUM 2
+
+#endif /* __ASM_CSKY_REGDEF_H */
diff --git a/arch/csky/abiv2/inc/abi/reg_ops.h b/arch/csky/abiv2/inc/abi/reg_ops.h
new file mode 100644
index 0000000..ffe4fc9
--- /dev/null
+++ b/arch/csky/abiv2/inc/abi/reg_ops.h
@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
+
+#ifndef __ABI_REG_OPS_H
+#define __ABI_REG_OPS_H
+#include <asm/reg_ops.h>
+
+static inline unsigned int mfcr_hint(void)
+{
+ return mfcr("cr31");
+}
+
+static inline unsigned int mfcr_ccr2(void)
+{
+ return mfcr("cr23");
+}
+#endif /* __ABI_REG_OPS_H */
diff --git a/arch/csky/abiv2/inc/abi/regdef.h b/arch/csky/abiv2/inc/abi/regdef.h
new file mode 100644
index 0000000..676e74a
--- /dev/null
+++ b/arch/csky/abiv2/inc/abi/regdef.h
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
+
+#ifndef __ASM_CSKY_REGDEF_H
+#define __ASM_CSKY_REGDEF_H
+
+#define syscallid r7
+#define r11_sig r11
+
+#define regs_syscallid(regs) regs->regs[3]
+
+/*
+ * PSR format:
+ * | 31 | 30-24 | 23-16 | 15 14 | 13-10 | 9 | 8-0 |
+ * S VEC TM MM
+ *
+ * S: Super Mode
+ * VEC: Exception Number
+ * TM: Trace Mode
+ * MM: Memory unaligned addr access
+ */
+#define DEFAULT_PSR_VALUE 0x80000200
+
+#define SYSTRACE_SAVENUM 5
+
+#endif /* __ASM_CSKY_REGDEF_H */
diff --git a/arch/csky/boot/dts/qemu.dts b/arch/csky/boot/dts/qemu.dts
new file mode 100644
index 0000000..c6643b1
--- /dev/null
+++ b/arch/csky/boot/dts/qemu.dts
@@ -0,0 +1,77 @@
+/dts-v1/;
+/ {
+ compatible = "csky,qemu";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ interrupt-parent = <&intc>;
+
+ chosen {
+ bootargs = "console=ttyS0,115200";
+ stdout-path = &serial0;
+ };
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x40000000>;
+ };
+
+ soc {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "simple-bus";
+ ranges;
+
+ intc: interrupt-controller@...ff000 {
+ compatible = "csky,apb-intc";
+ reg = <0xfffff000 0x1000>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ };
+
+ timer0: timer@...fd000 {
+ compatible = "snps,dw-apb-timer";
+ reg = <0xffffd000 0x1000>;
+ clocks = <&dummy_apb>;
+ clock-names = "timer";
+ interrupts = <1>;
+ };
+
+ timer1: timer@...fd014 {
+ compatible = "snps,dw-apb-timer";
+ reg = <0xffffd014 0x800>;
+ clocks = <&dummy_apb>;
+ clock-names = "timer";
+ interrupts = <2>;
+ };
+
+ serial0:serial@...fe000 {
+ compatible = "ns16550a";
+ reg = <0xffffe000 0x1000>;
+ interrupts = <3>;
+ clocks = <&dummy_apb>;
+ baud = <115200>;
+ reg-shift = <2>;
+ reg-io-width = <1>;
+ };
+
+ dummy_apb: apb-clock {
+ compatible = "fixed-clock";
+ clock-frequency = <40000000>;
+ clock-output-names = "dummy_apb";
+ #clock-cells = <0>;
+ };
+
+ mac0: ethernet@...fa000 {
+ compatible = "snps,dwmac";
+ reg = <0xffffa000 0x2000>;
+ interrupts = <4>;
+ interrupt-names = "macirq";
+ clocks = <&dummy_apb>;
+ clock-names = "stmmaceth";
+ phy-mode = "mii";
+ snps,pbl = <32>;
+ snps,fixed-burst;
+ };
+ };
+
+};
diff --git a/arch/csky/include/asm/bitops.h b/arch/csky/include/asm/bitops.h
new file mode 100644
index 0000000..36a539d
--- /dev/null
+++ b/arch/csky/include/asm/bitops.h
@@ -0,0 +1,281 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
+#ifndef __ASM_CSKY_BITOPS_H
+#define __ASM_CSKY_BITOPS_H
+
+#include <linux/compiler.h>
+#include <asm/barrier.h>
+
+/*
+ * asm-generic/bitops/ffs.h
+ */
+static inline int ffs(int x)
+{
+ if(!x) return 0;
+
+ asm volatile (
+ "brev %0\n"
+ "ff1 %0\n"
+ "addi %0, 1\n"
+ :"=&r"(x)
+ :"0"(x));
+ return x;
+}
+
+/*
+ * asm-generic/bitops/__ffs.h
+ */
+static __always_inline unsigned long __ffs(unsigned long x)
+{
+ asm volatile (
+ "brev %0\n"
+ "ff1 %0\n"
+ :"=&r"(x)
+ :"0"(x));
+ return x;
+}
+
+/*
+ * asm-generic/bitops/fls.h
+ */
+static __always_inline int fls(int x)
+{
+ asm volatile(
+ "ff1 %0\n"
+ :"=&r"(x)
+ :"0"(x));
+
+ return (32 - x);
+}
+
+/*
+ * asm-generic/bitops/__fls.h
+ */
+static __always_inline unsigned long __fls(unsigned long x)
+{
+ return fls(x) - 1;
+}
+
+#include <asm-generic/bitops/ffz.h>
+#include <asm-generic/bitops/fls64.h>
+#include <asm-generic/bitops/find.h>
+
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
+#include <asm-generic/bitops/sched.h>
+#include <asm-generic/bitops/hweight.h>
+#include <asm-generic/bitops/lock.h>
+
+#ifdef CONFIG_CPU_HAS_LDSTEX
+
+/*
+ * set_bit - Atomically set a bit in memory
+ * @nr: the bit to set
+ * @addr: the address to start counting from
+ *
+ * This function is atomic and may not be reordered. See __set_bit()
+ * if you do not require the atomic guarantees.
+ *
+ * Note: there are no guarantees that this function will not be reordered
+ * on non x86 architectures, so if you are writing portable code,
+ * make sure not to rely on its reordering guarantees.
+ *
+ * Note that @nr may be almost arbitrarily large; this function is not
+ * restricted to acting on a single-word quantity.
+ */
+static inline void set_bit(int nr, volatile unsigned long *addr)
+{
+ unsigned long mask = BIT_MASK(nr);
+ unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
+ unsigned long tmp;
+
+ /* *p |= mask; */
+ smp_mb();
+ asm volatile (
+ "1: ldex.w %0, (%2) \n"
+ " or32 %0, %0, %1 \n"
+ " stex.w %0, (%2) \n"
+ " bez %0, 1b \n"
+ : "=&r"(tmp)
+ : "r"(mask), "r"(p)
+ : "memory");
+ smp_mb();
+}
+
+/**
+ * clear_bit - Clears a bit in memory
+ * @nr: Bit to clear
+ * @addr: Address to start counting from
+ *
+ * clear_bit() is atomic and may not be reordered. However, it does
+ * not contain a memory barrier, so if it is used for locking purposes,
+ * you should call smp_mb__before_atomic() and/or smp_mb__after_atomic()
+ * in order to ensure changes are visible on other processors.
+ */
+static inline void clear_bit(int nr, volatile unsigned long *addr)
+{
+ unsigned long mask = BIT_MASK(nr);
+ unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
+ unsigned long tmp;
+
+ /* *p &= ~mask; */
+ mask = ~mask;
+ smp_mb();
+ asm volatile (
+ "1: ldex.w %0, (%2) \n"
+ " and32 %0, %0, %1 \n"
+ " stex.w %0, (%2) \n"
+ " bez %0, 1b \n"
+ : "=&r"(tmp)
+ : "r"(mask), "r"(p)
+ : "memory");
+ smp_mb();
+}
+
+/**
+ * change_bit - Toggle a bit in memory
+ * @nr: Bit to change
+ * @addr: Address to start counting from
+ *
+ * change_bit() is atomic and may not be reordered. It may be
+ * reordered on other architectures than x86.
+ * Note that @nr may be almost arbitrarily large; this function is not
+ * restricted to acting on a single-word quantity.
+ */
+static inline void change_bit(int nr, volatile unsigned long *addr)
+{
+ unsigned long mask = BIT_MASK(nr);
+ unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
+ unsigned long tmp;
+
+ /* *p ^= mask; */
+ smp_mb();
+ asm volatile (
+ "1: ldex.w %0, (%2) \n"
+ " xor32 %0, %0, %1 \n"
+ " stex.w %0, (%2) \n"
+ " bez %0, 1b \n"
+ : "=&r"(tmp)
+ : "r"(mask), "r"(p)
+ : "memory");
+ smp_mb();
+}
+
+/**
+ * test_and_set_bit - Set a bit and return its old value
+ * @nr: Bit to set
+ * @addr: Address to count from
+ *
+ * This operation is atomic and cannot be reordered.
+ * It may be reordered on other architectures than x86.
+ * It also implies a memory barrier.
+ */
+static inline int test_and_set_bit(int nr, volatile unsigned long *addr)
+{
+ unsigned long mask = BIT_MASK(nr);
+ unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
+ unsigned long old, tmp;
+
+ /*
+ * old = *p;
+ * *p = old | mask;
+ */
+ smp_mb();
+ asm volatile (
+ "1: ldex.w %1, (%3) \n"
+ " mov %0, %1 \n"
+ " or32 %0, %0, %2 \n"
+ " stex.w %0, (%3) \n"
+ " bez %0, 1b \n"
+ : "=&r"(tmp), "=&r"(old)
+ : "r"(mask), "r"(p)
+ : "memory");
+ smp_mb();
+
+ return (old & mask) != 0;
+}
+
+/**
+ * test_and_clear_bit - Clear a bit and return its old value
+ * @nr: Bit to clear
+ * @addr: Address to count from
+ *
+ * This operation is atomic and cannot be reordered.
+ * It can be reorderdered on other architectures other than x86.
+ * It also implies a memory barrier.
+ */
+static inline int test_and_clear_bit(int nr, volatile unsigned long *addr)
+{
+ unsigned long mask = BIT_MASK(nr);
+ unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
+ unsigned long old, tmp, mask_not;
+
+ /*
+ * old = *p;
+ * *p = old & ~mask;
+ */
+ smp_mb();
+ mask_not = ~mask;
+ asm volatile (
+ "1: ldex.w %1, (%3) \n"
+ " mov %0, %1 \n"
+ " and32 %0, %0, %2 \n"
+ " stex.w %0, (%3) \n"
+ " bez %0, 1b \n"
+ : "=&r"(tmp), "=&r"(old)
+ : "r"(mask_not), "r"(p)
+ : "memory");
+
+ smp_mb();
+
+ return (old & mask) != 0;
+}
+
+/**
+ * test_and_change_bit - Change a bit and return its old value
+ * @nr: Bit to change
+ * @addr: Address to count from
+ *
+ * This operation is atomic and cannot be reordered.
+ * It also implies a memory barrier.
+ */
+static inline int test_and_change_bit(int nr, volatile unsigned long *addr)
+{
+ unsigned long mask = BIT_MASK(nr);
+ unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
+ unsigned long old, tmp;
+
+ /*
+ * old = *p;
+ * *p = old ^ mask;
+ */
+ smp_mb();
+ asm volatile (
+ "1: ldex.w %1, (%3) \n"
+ " mov %0, %1 \n"
+ " xor32 %0, %0, %2 \n"
+ " stex.w %0, (%3) \n"
+ " bez %0, 1b \n"
+ : "=&r"(tmp), "=&r"(old)
+ : "r"(mask), "r"(p)
+ : "memory");
+ smp_mb();
+
+ return (old & mask) != 0;
+}
+
+#else
+#include <asm-generic/bitops/atomic.h>
+#endif
+
+/*
+ * bug fix, why only could use atomic!!!!
+ */
+#include <asm-generic/bitops/non-atomic.h>
+#define __clear_bit(nr,vaddr) clear_bit(nr,vaddr)
+
+#include <asm-generic/bitops/le.h>
+#include <asm-generic/bitops/ext2-atomic.h>
+#endif /* __ASM_CSKY_BITOPS_H */
diff --git a/arch/csky/include/asm/checksum.h b/arch/csky/include/asm/checksum.h
new file mode 100644
index 0000000..0b7f436
--- /dev/null
+++ b/arch/csky/include/asm/checksum.h
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
+#ifndef __ASM_CSKY_CHECKSUM_H
+#define __ASM_CSKY_CHECKSUM_H
+
+#include <linux/in6.h>
+#include <asm/byteorder.h>
+
+static inline __sum16 csum_fold(__wsum csum)
+{
+ u32 tmp;
+ asm volatile(
+ "mov %1, %0\n"
+ "rori %0, 16\n"
+ "addu %0, %1\n"
+ "lsri %0, 16\n"
+ :"=r"(csum), "=r"(tmp)
+ :"0"(csum));
+ return (__force __sum16)~csum;
+}
+#define csum_fold csum_fold
+
+static inline __wsum
+csum_tcpudp_nofold(
+ __be32 saddr,
+ __be32 daddr,
+ unsigned short len,
+ unsigned short proto,
+ __wsum sum
+ )
+{
+ asm volatile(
+ "clrc\n"
+ "addc %0, %1\n"
+ "addc %0, %2\n"
+ "addc %0, %3\n"
+ "inct %0\n"
+ :"=r"(sum)
+ :"r"((__force u32)saddr),
+ "r"((__force u32)daddr),
+#ifdef __BIG_ENDIAN
+ "r"(proto + len),
+#else
+ "r"((proto + len) << 8),
+#endif
+ "0" ((__force unsigned long)sum)
+ :"cc");
+ return sum;
+}
+#define csum_tcpudp_nofold csum_tcpudp_nofold
+
+#include <asm-generic/checksum.h>
+
+#endif /* __ASM_CSKY_CHECKSUM_H */
diff --git a/arch/csky/include/asm/compat.h b/arch/csky/include/asm/compat.h
new file mode 100644
index 0000000..59f9297
--- /dev/null
+++ b/arch/csky/include/asm/compat.h
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
+
+#ifndef __ASM_CSKY_COMPAT_H
+#define __ASM_CSKY_COMPAT_H
+
+#ifdef CONFIG_COMPAT
+#define COMPAT_UTS_MACHINE "csky\0\0"
+#endif
+
+#endif /* __ASM_CSKY_COMPAT_H */
diff --git a/arch/csky/include/asm/reg_ops.h b/arch/csky/include/asm/reg_ops.h
new file mode 100644
index 0000000..ed7bbde
--- /dev/null
+++ b/arch/csky/include/asm/reg_ops.h
@@ -0,0 +1,22 @@
+#ifndef __ASM_REGS_OPS_H
+#define __ASM_REGS_OPS_H
+
+#define mfcr(reg) \
+({ \
+ unsigned int tmp; \
+ asm volatile("mfcr %0, "reg"\n" \
+ :"=r"(tmp) \
+ : \
+ :"memory"); \
+ tmp; \
+})
+
+#define mtcr(reg, val) \
+({ \
+ asm volatile("mtcr %0, "reg"\n" \
+ : \
+ :"r"(val) \
+ :"memory"); \
+})
+
+#endif /* __ASM_REGS_OPS_H */
diff --git a/arch/csky/include/uapi/asm/byteorder.h b/arch/csky/include/uapi/asm/byteorder.h
new file mode 100644
index 0000000..c758563
--- /dev/null
+++ b/arch/csky/include/uapi/asm/byteorder.h
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
+
+#ifndef __ASM_CSKY_BYTEORDER_H
+#define __ASM_CSKY_BYTEORDER_H
+
+#include <linux/byteorder/little_endian.h>
+
+#endif /* __ASM_CSKY_BYTEORDER_H */
diff --git a/arch/csky/kernel/asm-offsets.c b/arch/csky/kernel/asm-offsets.c
new file mode 100644
index 0000000..d7868dd
--- /dev/null
+++ b/arch/csky/kernel/asm-offsets.c
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
+#include <linux/sched.h>
+#include <linux/kernel_stat.h>
+#include <linux/kbuild.h>
+#include <abi/regdef.h>
+
+int main(void)
+{
+ /* offsets into the task struct */
+ DEFINE(TASK_STATE, offsetof(struct task_struct, state));
+ DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack));
+ DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
+ DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
+ DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
+ DEFINE(TASK_MM, offsetof(struct task_struct, mm));
+ DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
+
+ /* offsets into the thread struct */
+ DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
+ DEFINE(THREAD_SR, offsetof(struct thread_struct, sr));
+ DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0));
+ DEFINE(THREAD_FESR, offsetof(struct thread_struct, user_fp.fesr));
+ DEFINE(THREAD_FCR, offsetof(struct thread_struct, user_fp.fcr));
+ DEFINE(THREAD_FPREG, offsetof(struct thread_struct, user_fp.vr));
+ DEFINE(THREAD_DSPHI, offsetof(struct thread_struct, hi));
+ DEFINE(THREAD_DSPLO, offsetof(struct thread_struct, lo));
+
+ /* offsets into the thread_info struct */
+ DEFINE(TINFO_FLAGS, offsetof(struct thread_info, flags));
+ DEFINE(TINFO_PREEMPT, offsetof(struct thread_info, preempt_count));
+ DEFINE(TINFO_ADDR_LIMIT, offsetof(struct thread_info, addr_limit));
+ DEFINE(TINFO_TP_VALUE, offsetof(struct thread_info, tp_value));
+ DEFINE(TINFO_TASK, offsetof(struct thread_info, task));
+
+ /* offsets into the pt_regs */
+ DEFINE(PT_PC, offsetof(struct pt_regs, pc));
+ DEFINE(PT_ORIG_AO, offsetof(struct pt_regs, orig_a0));
+ DEFINE(PT_SR, offsetof(struct pt_regs, sr));
+
+ DEFINE(PT_A0, offsetof(struct pt_regs, a0));
+ DEFINE(PT_A1, offsetof(struct pt_regs, a1));
+ DEFINE(PT_A2, offsetof(struct pt_regs, a2));
+ DEFINE(PT_A3, offsetof(struct pt_regs, a3));
+ DEFINE(PT_REGS0, offsetof(struct pt_regs, regs[0]));
+ DEFINE(PT_REGS1, offsetof(struct pt_regs, regs[1]));
+ DEFINE(PT_REGS2, offsetof(struct pt_regs, regs[2]));
+ DEFINE(PT_REGS3, offsetof(struct pt_regs, regs[3]));
+ DEFINE(PT_REGS4, offsetof(struct pt_regs, regs[4]));
+ DEFINE(PT_REGS5, offsetof(struct pt_regs, regs[5]));
+ DEFINE(PT_REGS6, offsetof(struct pt_regs, regs[6]));
+ DEFINE(PT_REGS7, offsetof(struct pt_regs, regs[7]));
+ DEFINE(PT_REGS8, offsetof(struct pt_regs, regs[8]));
+ DEFINE(PT_REGS9, offsetof(struct pt_regs, regs[9]));
+ DEFINE(PT_R15, offsetof(struct pt_regs, lr));
+#if defined(__CSKYABIV2__)
+ DEFINE(PT_R16, offsetof(struct pt_regs, exregs[0]));
+ DEFINE(PT_R17, offsetof(struct pt_regs, exregs[1]));
+ DEFINE(PT_R18, offsetof(struct pt_regs, exregs[2]));
+ DEFINE(PT_R19, offsetof(struct pt_regs, exregs[3]));
+ DEFINE(PT_R20, offsetof(struct pt_regs, exregs[4]));
+ DEFINE(PT_R21, offsetof(struct pt_regs, exregs[5]));
+ DEFINE(PT_R22, offsetof(struct pt_regs, exregs[6]));
+ DEFINE(PT_R23, offsetof(struct pt_regs, exregs[7]));
+ DEFINE(PT_R24, offsetof(struct pt_regs, exregs[8]));
+ DEFINE(PT_R25, offsetof(struct pt_regs, exregs[9]));
+ DEFINE(PT_R26, offsetof(struct pt_regs, exregs[10]));
+ DEFINE(PT_R27, offsetof(struct pt_regs, exregs[11]));
+ DEFINE(PT_R28, offsetof(struct pt_regs, exregs[12]));
+ DEFINE(PT_R29, offsetof(struct pt_regs, exregs[13]));
+ DEFINE(PT_R30, offsetof(struct pt_regs, exregs[14]));
+ DEFINE(PT_R31, offsetof(struct pt_regs, exregs[15]));
+ DEFINE(PT_RHI, offsetof(struct pt_regs, rhi));
+ DEFINE(PT_RLO, offsetof(struct pt_regs, rlo));
+#endif
+ DEFINE(PT_USP, offsetof(struct pt_regs, usp));
+ /* offsets into the irq_cpustat_t struct */
+ DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
+
+ /* signal defines */
+ DEFINE(SIGSEGV, SIGSEGV);
+ DEFINE(SIGTRAP, SIGTRAP);
+
+ return 0;
+}
--
2.7.4
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