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[Qemu-devel] [PATCH 01/15] Openrisc: add target stub
|
From: |
Jia Liu |
|
Subject: |
[Qemu-devel] [PATCH 01/15] Openrisc: add target stub |
|
Date: |
Thu, 17 May 2012 16:35:44 +0800 |
add the openrisc target stub and basic implementation.
Signed-off-by: Jia Liu <address@hidden>
---
Makefile.target | 3 +
arch_init.c | 2 +
arch_init.h | 1 +
configure | 8 +-
cpu-exec.c | 2 +
default-configs/or32-softmmu.mak | 6 +
elf.h | 2 +
poison.h | 1 +
target-openrisc/cpu-qom.h | 70 +++++++++
target-openrisc/cpu.c | 74 ++++++++++
target-openrisc/cpu.h | 299 ++++++++++++++++++++++++++++++++++++++
target-openrisc/helper.c | 67 +++++++++
target-openrisc/helper.h | 23 +++
target-openrisc/machine.c | 76 ++++++++++
target-openrisc/mem.c | 43 ++++++
target-openrisc/mem_helper.c | 46 ++++++
target-openrisc/translate.c | 90 ++++++++++++
17 files changed, 812 insertions(+), 1 deletion(-)
create mode 100644 default-configs/or32-softmmu.mak
create mode 100644 target-openrisc/cpu-qom.h
create mode 100644 target-openrisc/cpu.c
create mode 100644 target-openrisc/cpu.h
create mode 100644 target-openrisc/helper.c
create mode 100644 target-openrisc/helper.h
create mode 100644 target-openrisc/machine.c
create mode 100644 target-openrisc/mem.c
create mode 100644 target-openrisc/mem_helper.c
create mode 100644 target-openrisc/translate.c
diff --git a/Makefile.target b/Makefile.target
index 1582904..0ffb29c 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -83,9 +83,11 @@ libobj-$(CONFIG_TCG_INTERPRETER) += tci.o
libobj-y += fpu/softfloat.o
ifneq ($(TARGET_BASE_ARCH), sparc)
ifneq ($(TARGET_BASE_ARCH), alpha)
+ifneq ($(TARGET_BASE_ARCH), openrisc)
libobj-y += op_helper.o
endif
endif
+endif
libobj-y += helper.o
ifneq ($(TARGET_BASE_ARCH), ppc)
libobj-y += cpu.o
@@ -99,6 +101,7 @@ endif
libobj-$(TARGET_SPARC) += int32_helper.o
libobj-$(TARGET_SPARC64) += int64_helper.o
libobj-$(TARGET_ALPHA) += int_helper.o fpu_helper.o sys_helper.o mem_helper.o
+libobj-$(TARGET_OPENRISC) += mem.o mem_helper.o
libobj-y += disas.o
libobj-$(CONFIG_TCI_DIS) += tci-dis.o
diff --git a/arch_init.c b/arch_init.c
index 988adca..55b608d 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -71,6 +71,8 @@ int graphic_depth = 15;
#define QEMU_ARCH QEMU_ARCH_MICROBLAZE
#elif defined(TARGET_MIPS)
#define QEMU_ARCH QEMU_ARCH_MIPS
+#elif defined(TARGET_OPENRISC)
+#define QEMU_ARCH QEMU_ARCH_OPENRISC
#elif defined(TARGET_PPC)
#define QEMU_ARCH QEMU_ARCH_PPC
#elif defined(TARGET_S390X)
diff --git a/arch_init.h b/arch_init.h
index c7cb94a..3dfea3b 100644
--- a/arch_init.h
+++ b/arch_init.h
@@ -16,6 +16,7 @@ enum {
QEMU_ARCH_SH4 = 1024,
QEMU_ARCH_SPARC = 2048,
QEMU_ARCH_XTENSA = 4096,
+ QEMU_ARCH_OPENRISC = 8192,
};
extern const uint32_t arch_type;
diff --git a/configure b/configure
index b55a792..63e2372 100755
--- a/configure
+++ b/configure
@@ -924,6 +924,7 @@ mips-softmmu \
mipsel-softmmu \
mips64-softmmu \
mips64el-softmmu \
+or32-softmmu \
ppc-softmmu \
ppcemb-softmmu \
ppc64-softmmu \
@@ -3460,7 +3461,7 @@ target_arch2=`echo $target | cut -d '-' -f 1`
target_bigendian="no"
case "$target_arch2" in
-
armeb|lm32|m68k|microblaze|mips|mipsn32|mips64|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
+
armeb|lm32|m68k|microblaze|mips|mipsn32|mips64|or32|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
target_bigendian=yes
;;
esac
@@ -3588,6 +3589,11 @@ case "$target_arch2" in
target_phys_bits=64
target_long_alignment=8
;;
+ or32)
+ TARGET_ARCH=openrisc
+ TARGET_BASE_ARCH=openrisc
+ target_phys_bits=32
+ ;;
ppc)
gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml
power-spe.xml"
target_phys_bits=64
diff --git a/cpu-exec.c b/cpu-exec.c
index 0344cd5..ba10db1 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -222,6 +222,7 @@ int cpu_exec(CPUArchState *env)
#elif defined(TARGET_LM32)
#elif defined(TARGET_MICROBLAZE)
#elif defined(TARGET_MIPS)
+#elif defined(TARGET_OPENRISC)
#elif defined(TARGET_SH4)
#elif defined(TARGET_CRIS)
#elif defined(TARGET_S390X)
@@ -620,6 +621,7 @@ int cpu_exec(CPUArchState *env)
| env->cc_dest | (env->cc_x << 4);
#elif defined(TARGET_MICROBLAZE)
#elif defined(TARGET_MIPS)
+#elif defined(TARGET_OPENRISC)
#elif defined(TARGET_SH4)
#elif defined(TARGET_ALPHA)
#elif defined(TARGET_CRIS)
diff --git a/default-configs/or32-softmmu.mak b/default-configs/or32-softmmu.mak
new file mode 100644
index 0000000..7590eed
--- /dev/null
+++ b/default-configs/or32-softmmu.mak
@@ -0,0 +1,6 @@
+# Default configuration for or32-softmmu
+
+include pci.mak
+CONFIG_SERIAL=y
+CONFIG_NE2000_ISA=y
+CONFIG_I8259=y
diff --git a/elf.h b/elf.h
index e1422b8..e65f4b9 100644
--- a/elf.h
+++ b/elf.h
@@ -106,6 +106,8 @@ typedef int64_t Elf64_Sxword;
#define EM_H8S 48 /* Hitachi H8S */
#define EM_LATTICEMICO32 138 /* LatticeMico32 */
+#define EM_OPENRISC 92 /* Opencores Openrisc */
+
#define EM_UNICORE32 110 /* UniCore32 */
/*
diff --git a/poison.h b/poison.h
index d396f20..7d7b23b 100644
--- a/poison.h
+++ b/poison.h
@@ -14,6 +14,7 @@
#pragma GCC poison TARGET_M68K
#pragma GCC poison TARGET_MIPS
#pragma GCC poison TARGET_MIPS64
+#pragma GCC poison TARGET_OPENRISC
#pragma GCC poison TARGET_PPC
#pragma GCC poison TARGET_PPCEMB
#pragma GCC poison TARGET_PPC64
diff --git a/target-openrisc/cpu-qom.h b/target-openrisc/cpu-qom.h
new file mode 100644
index 0000000..8c936df
--- /dev/null
+++ b/target-openrisc/cpu-qom.h
@@ -0,0 +1,70 @@
+/*
+ * QEMU Openrisc CPU
+ *
+ * Copyright (c) 2012 Jia Liu <address@hidden>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef QEMU_OPENRISC_CPU_QOM_H
+#define QEMU_OPENRISC_CPU_QOM_H
+
+#include "qemu/cpu.h"
+#include "cpu.h"
+
+#define TYPE_OPENRISC_CPU "or32"
+
+#define OPENRISC_CPU_CLASS(klass) \
+ OBJECT_CLASS_CHECK(OPENRISCCPUClass, (klass), TYPE_OPENRISC_CPU)
+#define OPENRISC_CPU(obj) \
+ OBJECT_CHECK(OPENRISCCPU, (obj), TYPE_OPENRISC_CPU)
+#define OPENRISC_CPU_GET_CLASS(obj) \
+ OBJECT_GET_CLASS(OPENRISCCPUClass, (obj), TYPE_OPENRISC_CPU)
+
+/**
+ * OPENRISCCPUClass:
+ * @parent_reset: The parent class' reset handler.
+ *
+ * A Openrisc CPU model.
+ */
+typedef struct OPENRISCCPUClass {
+ /*< private >*/
+ CPUClass parent_class;
+ /*< public >*/
+
+ void (*parent_reset)(CPUState *cpu);
+} OPENRISCCPUClass;
+
+/**
+ * OPENRISCCPU:
+ * @env: #CPUOPENRISCState
+ *
+ * A Openrisc CPU.
+ */
+typedef struct OPENRISCCPU {
+ /*< private >*/
+ CPUState parent_obj;
+ /*< public >*/
+
+ CPUOPENRISCState env;
+} OPENRISCCPU;
+
+static inline OPENRISCCPU *openrisc_env_get_cpu(CPUOPENRISCState *env)
+{
+ return OPENRISC_CPU(container_of(env, OPENRISCCPU, env));
+}
+
+#define ENV_GET_CPU(e) CPU(openrisc_env_get_cpu(e))
+
+#endif /* QEMU_OPENRISC_CPU_QOM_H */
diff --git a/target-openrisc/cpu.c b/target-openrisc/cpu.c
new file mode 100644
index 0000000..01e65a2
--- /dev/null
+++ b/target-openrisc/cpu.c
@@ -0,0 +1,74 @@
+/*
+ * QEMU Openrisc CPU
+ *
+ * Copyright (c) 2012 Jia Liu <address@hidden>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "cpu.h"
+#include "cpu-qom.h"
+#include "qemu-common.h"
+
+
+/* CPUClass::reset() */
+static void openrisc_cpu_reset(CPUState *s)
+{
+ OPENRISCCPU *cpu = OPENRISC_CPU(s);
+ OPENRISCCPUClass *occ = OPENRISC_CPU_GET_CLASS(cpu);
+ CPUOPENRISCState *env = &cpu->env;
+
+ occ->parent_reset(s);
+
+ openrisc_reset(env);
+
+}
+
+static void openrisc_cpu_initfn(Object *obj)
+{
+ OPENRISCCPU *cpu = OPENRISC_CPU(obj);
+ CPUOPENRISCState *env = &cpu->env;
+
+ cpu_exec_init(env);
+
+ env->flags = 0;
+
+ cpu_reset(CPU(cpu));
+}
+
+static void openrisc_cpu_class_init(ObjectClass *oc, void *data)
+{
+ OPENRISCCPUClass *occ = OPENRISC_CPU_CLASS(oc);
+ CPUClass *cc = CPU_CLASS(oc);
+
+ occ->parent_reset = cc->reset;
+ cc->reset = openrisc_cpu_reset;
+}
+
+static const TypeInfo openrisc_cpu_type_info = {
+ .name = TYPE_OPENRISC_CPU,
+ .parent = TYPE_CPU,
+ .instance_size = sizeof(OPENRISCCPU),
+ .instance_init = openrisc_cpu_initfn,
+ .abstract = false,
+ .class_size = sizeof(OPENRISCCPUClass),
+ .class_init = openrisc_cpu_class_init,
+};
+
+static void openrisc_cpu_register_types(void)
+{
+ type_register_static(&openrisc_cpu_type_info);
+}
+
+type_init(openrisc_cpu_register_types)
diff --git a/target-openrisc/cpu.h b/target-openrisc/cpu.h
new file mode 100644
index 0000000..11ea13c
--- /dev/null
+++ b/target-openrisc/cpu.h
@@ -0,0 +1,299 @@
+/*
+ * Openrisc virtual CPU header.
+ *
+ * Copyright (c) 2011-2012 Jia Liu <address@hidden>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CPU_OPENRISC_H
+#define CPU_OPENRISC_H
+
+#define TARGET_HAS_ICE 1
+
+#define ELF_MACHINE EM_OPENRISC
+
+#define CPUArchState struct CPUOPENRISCState
+
+#define TARGET_LONG_BITS 32
+
+#include "config.h"
+#include "qemu-common.h"
+#include "cpu-defs.h"
+#include "softfloat.h"
+
+struct CPUOPENRISCState;
+
+#define NB_MMU_MODES 3
+#define MMU_NOMMU_IDX 0
+#define MMU_SUPERVISOR_IDX 1
+#define MMU_USER_IDX 2
+
+#define TARGET_PAGE_BITS 13
+
+
+#define TARGET_PHYS_ADDR_SPACE_BITS 32
+#define TARGET_VIRT_ADDR_SPACE_BITS 32
+
+#define SET_FP_CAUSE(reg, v) do {\
+ (reg) = ((reg) & ~(0x3f << 12)) | \
+ ((v & 0x3f) << 12);\
+ } while (0)
+#define GET_FP_ENABLE(reg) (((reg) >> 7) & 0x1f)
+#define UPDATE_FP_FLAGS(reg, v) do {\
+ (reg) |= ((v & 0x1f) << 2);\
+ } while (0)
+
+/* Internel flags, delay slot flag */
+#define D_FLAG 1
+
+#define NR_IRQS 32
+#define PIC_MASK 0xFFFFFFFF
+
+/* Verison Register */
+#define SPR_VR 0x12000001
+#define SPR_CPUCFGR 0x12000001
+
+/* Registers */
+enum {
+ R0 = 0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10,
+ R11, R12, R13, R14, R15, R16, R17, R18, R19, R20,
+ R21, R22, R23, R24, R25, R26, R27, R28, R29, R30,
+ R31
+};
+
+/* Register aliases */
+enum {
+ R_ZERO = R0,
+ R_SP = R1,
+ R_FP = R2,
+ R_LR = R9,
+ R_RV = R11,
+ R_RVH = R12
+};
+
+/* Exceptions indices */
+enum {
+ EXCP_RESET = 0x1,
+ EXCP_BUSERR = 0x2,
+ EXCP_DPF = 0x3,
+ EXCP_IPF = 0x4,
+ EXCP_TICK = 0x5,
+ EXCP_ALIGN = 0x6,
+ EXCP_ILLEGAL = 0x7,
+ EXCP_INT = 0x8,
+ EXCP_DTLBMISS = 0x9,
+ EXCP_ITLBMISS = 0xa,
+ EXCP_RANGE = 0xb,
+ EXCP_SYSCALL = 0xc,
+ EXCP_FPE = 0xd,
+ EXCP_TRAP = 0xe,
+ EXCP_NR,
+};
+
+/* Supervisor register */
+enum {
+ SR_SM = 1,
+ SR_TEE = (1<<1),
+ SR_IEE = (1<<2),
+ SR_DCE = (1<<3),
+ SR_ICE = (1<<4),
+ SR_DME = (1<<5),
+ SR_IME = (1<<6),
+ SR_LEE = (1<<7),
+ SR_CE = (1<<8),
+ SR_F = (1<<9),
+ SR_CY = (1<<10),
+ SR_OV = (1<<11),
+ SR_OVE = (1<<12),
+ SR_DSX = (1<<13),
+ SR_EPH = (1<<14),
+ SR_FO = (1<<15),
+ SR_SUMRA = (1<<16),
+ SR_SCE = (1<<17),
+};
+
+/* FPCSR register */
+enum {
+ FPCSR_FPEE = 1,
+ FPCSR_RM = (3 << 1),
+ FPCSR_OVF = (1 << 3),
+ FPCSR_UNF = (1 << 4),
+ FPCSR_SNF = (1 << 5),
+ FPCSR_QNF = (1 << 6),
+ FPCSR_ZF = (1 << 7),
+ FPCSR_IXF = (1 << 8),
+ FPCSR_IVF = (1 << 9),
+ FPCSR_INF = (1 << 10),
+ FPCSR_DZF = (1 << 11),
+};
+
+/* TTMR bit */
+enum {
+ TTMR_TP = (0xfffffff),
+ TTMR_IP = (1<<28),
+ TTMR_IE = (1<<29),
+ TTMR_M = (3<<30),
+};
+
+enum {
+ DTLB_WAYS = 1,
+ DTLB_SIZE = 64,
+ DTLB_MASK = (DTLB_SIZE-1),
+ ITLB_WAYS = 1,
+ ITLB_SIZE = 64,
+ ITLB_MASK = (ITLB_SIZE-1),
+};
+
+/* TLB prot */
+enum {
+ URE = (1<<6),
+ UWE = (1<<7),
+ SRE = (1<<8),
+ SWE = (1<<9),
+
+ SXE = (1<<6),
+ UXE = (1<<7),
+};
+
+typedef struct tlb_entry {
+ uint32_t mr;
+ uint32_t tr;
+} tlb_entry;
+
+typedef struct CPUOPENRISCState CPUOPENRISCState;
+struct CPUOPENRISCState {
+ target_ulong gpr[32]; /* General registers */
+ uint32_t sr; /* Supervisor register */
+ target_ulong machi; /* Multiply register MACHI */
+ target_ulong maclo; /* Multiply register MACLO */
+ target_ulong fpmaddhi; /* Multiply and add float register FPMADDHI */
+ target_ulong fpmaddlo; /* Multiply and add float register FPMADDLO */
+ target_ulong epcr; /* Exception PC register */
+ target_ulong eear; /* Exception EA register */
+ uint32_t esr; /* Exception supervisor register */
+ void *irq[32]; /* Interrupt irq input */
+ uint32_t fpcsr; /* Float register */
+ float_status fp_status;
+ target_ulong pc; /* Program counter */
+ target_ulong npc; /* Next PC */
+ target_ulong ppc; /* Prev PC */
+ target_ulong jmp_pc; /* Jump PC */
+ uint32_t flags;
+
+ /* Branch. */
+ uint32_t btaken; /* the SR_F bit */
+
+#if !defined(CONFIG_USER_ONLY)
+ /* MMU */
+ tlb_entry(*itlb)[ITLB_SIZE], (*dtlb)[DTLB_SIZE];
+ int (*map_address_code)(struct CPUOPENRISCState *env,
+ target_phys_addr_t *physical, int *prot,
+ target_ulong address, int rw);
+ int (*map_address_data)(struct CPUOPENRISCState *env,
+ target_phys_addr_t *physical, int *prot,
+ target_ulong address, int rw);
+
+ /* Internal Timer */
+ struct QEMUTimer *timer;
+ uint32_t ttmr; /* Timer tick mode register */
+ uint32_t ttcr; /* Timer tick count register */
+
+ uint32_t picmr; /* Interrupt mask register */
+ uint32_t picsr; /* Interrupt contrl register*/
+#endif
+
+ CPU_COMMON
+};
+
+#include "cpu-qom.h"
+
+void cpu_openrisc_list(FILE *f, fprintf_function cpu_fprintf);
+CPUOPENRISCState *cpu_openrisc_init(const char *cpu_model);
+int cpu_openrisc_exec(CPUOPENRISCState *s);
+void do_interrupt(CPUOPENRISCState *env);
+int cpu_openrisc_signal_handler(int host_signum, void *pinfo, void *puc);
+void openrisc_translate_init(void);
+int cpu_openrisc_handle_mmu_fault(CPUOPENRISCState *env, target_ulong address,
+ int rw, int mmu_idx);
+#define cpu_list cpu_openrisc_list
+#define cpu_init cpu_openrisc_init
+#define cpu_exec cpu_openrisc_exec
+#define cpu_gen_code cpu_openrisc_gen_code
+#define cpu_signal_handler cpu_openrisc_signal_handler
+#define cpu_handle_mmu_fault cpu_openrisc_handle_mmu_fault
+
+void openrisc_reset(CPUOPENRISCState *env);
+#if !defined(CONFIG_USER_ONLY)
+void cpu_openrisc_store_count(CPUOPENRISCState *env, target_ulong count);
+void cpu_openrisc_store_compare(CPUOPENRISCState *env, target_ulong value);
+uint32_t cpu_openrisc_get_count(CPUOPENRISCState *env);
+
+void cpu_openrisc_pic_reset(CPUOPENRISCState *env);
+void cpu_openrisc_store_picsr(CPUOPENRISCState *env, uint32_t value);
+void cpu_openrisc_store_picmr(CPUOPENRISCState *env, uint32_t value);
+
+void openrisc_mmu_init(CPUOPENRISCState *env);
+int get_phys_nommu(CPUOPENRISCState *env, target_phys_addr_t *physical,
+ int *prot, target_ulong address, int rw);
+int get_phys_code(CPUOPENRISCState *env, target_phys_addr_t *physical,
+ int *prot, target_ulong address, int rw);
+int get_phys_data(CPUOPENRISCState *env, target_phys_addr_t *physical,
+ int *prot, target_ulong address, int rw);
+#endif
+
+#if defined(CONFIG_USER_ONLY)
+static inline void cpu_clone_regs(CPUOPENRISCState *env, target_ulong newsp)
+{
+ if (newsp) {
+ env->gpr[1] = newsp;
+ }
+ env->gpr[2] = 0;
+}
+#endif
+
+#include "cpu-all.h"
+
+static inline void cpu_get_tb_cpu_state(CPUOPENRISCState *env,
+ target_ulong *pc,
+ target_ulong *cs_base, int *flags)
+{
+ *pc = env->pc;
+ *cs_base = 0;
+ *flags = env->flags;
+}
+
+static inline int cpu_mmu_index(CPUOPENRISCState *env)
+{
+ if (!(env->sr & SR_IME)) {
+ return MMU_NOMMU_IDX;
+ }
+ return (env->sr & SR_SM) == 0 ? MMU_USER_IDX : MMU_SUPERVISOR_IDX;
+}
+
+#define CPU_INTERRUPT_TIMER CPU_INTERRUPT_TGT_INT_0
+static inline bool cpu_has_work(CPUOPENRISCState *env)
+{
+ return env->interrupt_request & (CPU_INTERRUPT_HARD |
+ CPU_INTERRUPT_TIMER);
+}
+
+#include "exec-all.h"
+
+static inline void cpu_pc_from_tb(CPUOPENRISCState *env, TranslationBlock *tb)
+{
+ env->pc = tb->pc;
+}
+
+#endif /* CPU_OPENRISC_H */
diff --git a/target-openrisc/helper.c b/target-openrisc/helper.c
new file mode 100644
index 0000000..dcb61c9
--- /dev/null
+++ b/target-openrisc/helper.c
@@ -0,0 +1,67 @@
+/*
+ * Openrisc helpers
+ *
+ * Copyright (c) 2011-2012 Jia Liu <address@hidden>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
+ */
+
+#include "cpu.h"
+#include "qemu-common.h"
+#include "gdbstub.h"
+#include "helper.h"
+#include "host-utils.h"
+#if !defined(CONFIG_USER_ONLY)
+#include "hw/loader.h"
+#endif
+
+typedef struct {
+ const char *name;
+} OPENRISCDef;
+
+static const OPENRISCDef openrisc_defs[] = {
+ {.name = "or1200",}
+};
+
+void cpu_openrisc_list(FILE *f, fprintf_function cpu_fprintf)
+{
+ int i;
+
+ cpu_fprintf(f, "Available CPUs:\n");
+ for (i = 0; i < ARRAY_SIZE(openrisc_defs); ++i) {
+ cpu_fprintf(f, " %s\n", openrisc_defs[i].name);
+ }
+}
+
+CPUOPENRISCState *cpu_openrisc_init(const char *cpu_model)
+{
+ CPUOPENRISCState *env;
+ static int tcg_inited;
+
+ env = g_malloc0(sizeof(*env));
+ memset(env, 0, sizeof(*env));
+ cpu_exec_init(env);
+ qemu_init_vcpu(env);
+ if (!tcg_inited) {
+ tcg_inited = 1;
+ openrisc_translate_init();
+ }
+
+ return env;
+}
+
+void do_interrupt(CPUOPENRISCState *env)
+{
+}
diff --git a/target-openrisc/helper.h b/target-openrisc/helper.h
new file mode 100644
index 0000000..103d9b4
--- /dev/null
+++ b/target-openrisc/helper.h
@@ -0,0 +1,23 @@
+/*
+ * OpenRISC helper defines
+ *
+ * Copyright (c) 2011-2012 Jia Liu <address@hidden>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
+ */
+
+#include "def-helper.h"
+
+#include "def-helper.h"
diff --git a/target-openrisc/machine.c b/target-openrisc/machine.c
new file mode 100644
index 0000000..c7ac0ea
--- /dev/null
+++ b/target-openrisc/machine.c
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2011-2012 Jia Liu <address@hidden>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
+ */
+
+#include "hw/hw.h"
+#include "hw/boards.h"
+#include "kvm.h"
+
+static const VMStateDescription vmstate_cpu = {
+ .name = "cpu",
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32_ARRAY(gpr, CPUOPENRISCState, 32),
+ VMSTATE_UINT32(sr, CPUOPENRISCState),
+ VMSTATE_UINT32(epcr, CPUOPENRISCState),
+ VMSTATE_UINT32(eear, CPUOPENRISCState),
+ VMSTATE_UINT32(esr, CPUOPENRISCState),
+ VMSTATE_UINT32(fpcsr, CPUOPENRISCState),
+ VMSTATE_UINT32(pc, CPUOPENRISCState),
+ VMSTATE_UINT32(npc, CPUOPENRISCState),
+ VMSTATE_UINT32(ppc, CPUOPENRISCState),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+void cpu_save(QEMUFile *f, void *opaque)
+{
+ CPUOPENRISCState *env = (CPUOPENRISCState *)opaque;
+ unsigned int i;
+
+ for (i = 0; i < 32; i++) {
+ qemu_put_betls(f, &env->gpr[i]);
+ }
+
+ qemu_put_betls(f, &env->epcr);
+ qemu_put_betls(f, &env->eear);
+ qemu_put_betls(f, &env->esr);
+
+ qemu_put_betls(f, &env->sr);
+ qemu_put_be32s(f, &env->pc);
+ qemu_put_be32s(f, &env->fpcsr);
+}
+
+int cpu_load(QEMUFile *f, void *opaque, int version_id)
+{
+ CPUOPENRISCState *env = (CPUOPENRISCState *)opaque;
+ unsigned int i;
+
+ for (i = 0; i < 32; i++) {
+ qemu_get_betls(f, &env->gpr[i]);
+ }
+
+ qemu_get_betls(f, &env->epcr);
+ qemu_get_betls(f, &env->eear);
+ qemu_get_betls(f, &env->esr);
+
+ qemu_get_betls(f, &env->sr);
+ qemu_get_betls(f, &env->pc);
+ qemu_get_be32s(f, &env->fpcsr);
+ tlb_flush(env, 1);
+
+ return 0;
+}
diff --git a/target-openrisc/mem.c b/target-openrisc/mem.c
new file mode 100644
index 0000000..57a0b1b
--- /dev/null
+++ b/target-openrisc/mem.c
@@ -0,0 +1,43 @@
+/*
+ * Openrisc MMU.
+ *
+ * Copyright (c) 2011-2012 Jia Liu <address@hidden>
+ * Zhizhou Zhang <address@hidden>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "cpu.h"
+#include "qemu-common.h"
+#include "gdbstub.h"
+#include "helper.h"
+#include "host-utils.h"
+#if !defined(CONFIG_USER_ONLY)
+#include "hw/loader.h"
+#endif
+
+#if !defined(CONFIG_USER_ONLY)
+target_phys_addr_t cpu_get_phys_page_debug(CPUOPENRISCState *env,
+ target_ulong addr)
+{
+ return 0;
+}
+#endif
+
+void openrisc_reset(CPUOPENRISCState *env)
+{
+ env->pc = 0x100;
+ env->sr = SR_FO | SR_SM;
+ env->exception_index = -1;
+}
diff --git a/target-openrisc/mem_helper.c b/target-openrisc/mem_helper.c
new file mode 100644
index 0000000..a2d93c7
--- /dev/null
+++ b/target-openrisc/mem_helper.c
@@ -0,0 +1,46 @@
+/*
+ * OpenRISC mmu helper routines
+ *
+ * Copyright (c) 2011-2012 Jia Liu <address@hidden>
+ * Zhizhou Zhang <address@hidden>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
+ */
+
+#include "cpu.h"
+#include "dyngen-exec.h"
+#include "helper.h"
+
+#if !defined(CONFIG_USER_ONLY)
+#include "softmmu_exec.h"
+#define MMUSUFFIX _mmu
+
+#define SHIFT 0
+#include "softmmu_template.h"
+
+#define SHIFT 1
+#include "softmmu_template.h"
+
+#define SHIFT 2
+#include "softmmu_template.h"
+
+#define SHIFT 3
+#include "softmmu_template.h"
+
+void tlb_fill(CPUOPENRISCState *env1, target_ulong addr, int is_write,
+ int mmu_idx, uintptr_t retaddr)
+{
+}
+#endif
diff --git a/target-openrisc/translate.c b/target-openrisc/translate.c
new file mode 100644
index 0000000..aae483a
--- /dev/null
+++ b/target-openrisc/translate.c
@@ -0,0 +1,90 @@
+/*
+ * Openrisc translation
+ *
+ * Copyright (c) 2011-2012 Jia Liu <address@hidden>
+ * Feng Gao <address@hidden>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
+ */
+
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <inttypes.h>
+#include <assert.h>
+
+#include "cpu.h"
+#include "exec-all.h"
+#include "disas.h"
+#include "tcg-op.h"
+#include "qemu-common.h"
+#include "qemu-log.h"
+#include "config.h"
+
+#include "helper.h"
+#define GEN_HELPER 1
+#include "helper.h"
+
+#define DISAS_OPENRISC 1
+#if DISAS_OPENRISC
+# define LOG_DIS(...) do { } while (0)
+#endif
+
+typedef struct DisasContext {
+ CPUOPENRISCState *env;
+ TranslationBlock *tb;
+ target_ulong pc;
+ target_ulong ppc, npc;
+ uint32_t tb_flags;
+ uint32_t is_jmp;
+ uint32_t mem_idx;
+ int singlestep_enabled;
+ uint32_t delayed_branch;
+} DisasContext;
+
+void openrisc_translate_init(void)
+{
+}
+
+static inline void gen_intermediate_code_internal(CPUOPENRISCState *env,
+ TranslationBlock *tb,
+ int search_pc)
+{
+}
+
+void gen_intermediate_code(CPUOPENRISCState *env, struct TranslationBlock *tb)
+{
+ gen_intermediate_code_internal(env, tb, 0);
+}
+
+void gen_intermediate_code_pc(CPUOPENRISCState *env,
+ struct TranslationBlock *tb)
+{
+ gen_intermediate_code_internal(env, tb, 1);
+}
+
+void cpu_dump_state(CPUOPENRISCState *env, FILE *f,
+ fprintf_function cpu_fprintf,
+ int flags)
+{
+ cpu_fprintf(f, "PC=%08x\n", env->pc);
+}
+
+void restore_state_to_opc(CPUOPENRISCState *env, TranslationBlock *tb,
+ int pc_pos)
+{
+ env->pc = gen_opc_pc[pc_pos];
+}
--
1.7.9.5