diff options
author | 2017-04-25 03:31:15 -0700 | |
---|---|---|
committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/target-unicore32 | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/target-unicore32')
-rw-r--r-- | qemu/target-unicore32/Makefile.objs | 4 | ||||
-rw-r--r-- | qemu/target-unicore32/cpu-qom.h | 69 | ||||
-rw-r--r-- | qemu/target-unicore32/cpu.c | 201 | ||||
-rw-r--r-- | qemu/target-unicore32/cpu.h | 162 | ||||
-rw-r--r-- | qemu/target-unicore32/helper.c | 262 | ||||
-rw-r--r-- | qemu/target-unicore32/helper.h | 65 | ||||
-rw-r--r-- | qemu/target-unicore32/op_helper.c | 260 | ||||
-rw-r--r-- | qemu/target-unicore32/softmmu.c | 277 | ||||
-rw-r--r-- | qemu/target-unicore32/translate.c | 2100 | ||||
-rw-r--r-- | qemu/target-unicore32/ucf64_helper.c | 325 |
10 files changed, 0 insertions, 3725 deletions
diff --git a/qemu/target-unicore32/Makefile.objs b/qemu/target-unicore32/Makefile.objs deleted file mode 100644 index 6b41b1e9e..000000000 --- a/qemu/target-unicore32/Makefile.objs +++ /dev/null @@ -1,4 +0,0 @@ -obj-y += translate.o op_helper.o helper.o cpu.o -obj-y += ucf64_helper.o - -obj-$(CONFIG_SOFTMMU) += softmmu.o diff --git a/qemu/target-unicore32/cpu-qom.h b/qemu/target-unicore32/cpu-qom.h deleted file mode 100644 index ea65b8331..000000000 --- a/qemu/target-unicore32/cpu-qom.h +++ /dev/null @@ -1,69 +0,0 @@ -/* - * QEMU UniCore32 CPU - * - * Copyright (c) 2012 SUSE LINUX Products GmbH - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation, or (at your option) any - * later version. See the COPYING file in the top-level directory. - */ -#ifndef QEMU_UC32_CPU_QOM_H -#define QEMU_UC32_CPU_QOM_H - -#include "qom/cpu.h" -#include "cpu.h" - -#define TYPE_UNICORE32_CPU "unicore32-cpu" - -#define UNICORE32_CPU_CLASS(klass) \ - OBJECT_CLASS_CHECK(UniCore32CPUClass, (klass), TYPE_UNICORE32_CPU) -#define UNICORE32_CPU(obj) \ - OBJECT_CHECK(UniCore32CPU, (obj), TYPE_UNICORE32_CPU) -#define UNICORE32_CPU_GET_CLASS(obj) \ - OBJECT_GET_CLASS(UniCore32CPUClass, (obj), TYPE_UNICORE32_CPU) - -/** - * UniCore32CPUClass: - * @parent_realize: The parent class' realize handler. - * - * A UniCore32 CPU model. - */ -typedef struct UniCore32CPUClass { - /*< private >*/ - CPUClass parent_class; - /*< public >*/ - - DeviceRealize parent_realize; -} UniCore32CPUClass; - -/** - * UniCore32CPU: - * @env: #CPUUniCore32State - * - * A UniCore32 CPU. - */ -typedef struct UniCore32CPU { - /*< private >*/ - CPUState parent_obj; - /*< public >*/ - - CPUUniCore32State env; -} UniCore32CPU; - -static inline UniCore32CPU *uc32_env_get_cpu(CPUUniCore32State *env) -{ - return container_of(env, UniCore32CPU, env); -} - -#define ENV_GET_CPU(e) CPU(uc32_env_get_cpu(e)) - -#define ENV_OFFSET offsetof(UniCore32CPU, env) - -void uc32_cpu_do_interrupt(CPUState *cpu); -bool uc32_cpu_exec_interrupt(CPUState *cpu, int int_req); -void uc32_cpu_dump_state(CPUState *cpu, FILE *f, - fprintf_function cpu_fprintf, int flags); -hwaddr uc32_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); - -#endif diff --git a/qemu/target-unicore32/cpu.c b/qemu/target-unicore32/cpu.c deleted file mode 100644 index 66f43acff..000000000 --- a/qemu/target-unicore32/cpu.c +++ /dev/null @@ -1,201 +0,0 @@ -/* - * QEMU UniCore32 CPU - * - * Copyright (c) 2010-2012 Guan Xuetao - * Copyright (c) 2012 SUSE LINUX Products GmbH - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Contributions from 2012-04-01 on are considered under GPL version 2, - * or (at your option) any later version. - */ - -#include "qemu/osdep.h" -#include "qapi/error.h" -#include "cpu.h" -#include "qemu-common.h" -#include "migration/vmstate.h" - -static void uc32_cpu_set_pc(CPUState *cs, vaddr value) -{ - UniCore32CPU *cpu = UNICORE32_CPU(cs); - - cpu->env.regs[31] = value; -} - -static bool uc32_cpu_has_work(CPUState *cs) -{ - return cs->interrupt_request & - (CPU_INTERRUPT_HARD | CPU_INTERRUPT_EXITTB); -} - -static inline void set_feature(CPUUniCore32State *env, int feature) -{ - env->features |= feature; -} - -/* CPU models */ - -static ObjectClass *uc32_cpu_class_by_name(const char *cpu_model) -{ - ObjectClass *oc; - char *typename; - - if (cpu_model == NULL) { - return NULL; - } - - typename = g_strdup_printf("%s-" TYPE_UNICORE32_CPU, cpu_model); - oc = object_class_by_name(typename); - g_free(typename); - if (oc != NULL && (!object_class_dynamic_cast(oc, TYPE_UNICORE32_CPU) || - object_class_is_abstract(oc))) { - oc = NULL; - } - return oc; -} - -typedef struct UniCore32CPUInfo { - const char *name; - void (*instance_init)(Object *obj); -} UniCore32CPUInfo; - -static void unicore_ii_cpu_initfn(Object *obj) -{ - UniCore32CPU *cpu = UNICORE32_CPU(obj); - CPUUniCore32State *env = &cpu->env; - - env->cp0.c0_cpuid = 0x4d000863; - env->cp0.c0_cachetype = 0x0d152152; - env->cp0.c1_sys = 0x2000; - env->cp0.c2_base = 0x0; - env->cp0.c3_faultstatus = 0x0; - env->cp0.c4_faultaddr = 0x0; - env->ucf64.xregs[UC32_UCF64_FPSCR] = 0; - - set_feature(env, UC32_HWCAP_CMOV); - set_feature(env, UC32_HWCAP_UCF64); -} - -static void uc32_any_cpu_initfn(Object *obj) -{ - UniCore32CPU *cpu = UNICORE32_CPU(obj); - CPUUniCore32State *env = &cpu->env; - - env->cp0.c0_cpuid = 0xffffffff; - env->ucf64.xregs[UC32_UCF64_FPSCR] = 0; - - set_feature(env, UC32_HWCAP_CMOV); - set_feature(env, UC32_HWCAP_UCF64); -} - -static const UniCore32CPUInfo uc32_cpus[] = { - { .name = "UniCore-II", .instance_init = unicore_ii_cpu_initfn }, - { .name = "any", .instance_init = uc32_any_cpu_initfn }, -}; - -static void uc32_cpu_realizefn(DeviceState *dev, Error **errp) -{ - UniCore32CPUClass *ucc = UNICORE32_CPU_GET_CLASS(dev); - - qemu_init_vcpu(CPU(dev)); - - ucc->parent_realize(dev, errp); -} - -static void uc32_cpu_initfn(Object *obj) -{ - CPUState *cs = CPU(obj); - UniCore32CPU *cpu = UNICORE32_CPU(obj); - CPUUniCore32State *env = &cpu->env; - static bool inited; - - cs->env_ptr = env; - cpu_exec_init(cs, &error_abort); - -#ifdef CONFIG_USER_ONLY - env->uncached_asr = ASR_MODE_USER; - env->regs[31] = 0; -#else - env->uncached_asr = ASR_MODE_PRIV; - env->regs[31] = 0x03000000; -#endif - - tlb_flush(cs, 1); - - if (tcg_enabled() && !inited) { - inited = true; - uc32_translate_init(); - } -} - -static const VMStateDescription vmstate_uc32_cpu = { - .name = "cpu", - .unmigratable = 1, -}; - -static void uc32_cpu_class_init(ObjectClass *oc, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(oc); - CPUClass *cc = CPU_CLASS(oc); - UniCore32CPUClass *ucc = UNICORE32_CPU_CLASS(oc); - - ucc->parent_realize = dc->realize; - dc->realize = uc32_cpu_realizefn; - - cc->class_by_name = uc32_cpu_class_by_name; - cc->has_work = uc32_cpu_has_work; - cc->do_interrupt = uc32_cpu_do_interrupt; - cc->cpu_exec_interrupt = uc32_cpu_exec_interrupt; - cc->dump_state = uc32_cpu_dump_state; - cc->set_pc = uc32_cpu_set_pc; -#ifdef CONFIG_USER_ONLY - cc->handle_mmu_fault = uc32_cpu_handle_mmu_fault; -#else - cc->get_phys_page_debug = uc32_cpu_get_phys_page_debug; -#endif - dc->vmsd = &vmstate_uc32_cpu; - - /* - * Reason: uc32_cpu_initfn() calls cpu_exec_init(), which saves - * the object in cpus -> dangling pointer after final - * object_unref(). - */ - dc->cannot_destroy_with_object_finalize_yet = true; -} - -static void uc32_register_cpu_type(const UniCore32CPUInfo *info) -{ - TypeInfo type_info = { - .parent = TYPE_UNICORE32_CPU, - .instance_init = info->instance_init, - }; - - type_info.name = g_strdup_printf("%s-" TYPE_UNICORE32_CPU, info->name); - type_register(&type_info); - g_free((void *)type_info.name); -} - -static const TypeInfo uc32_cpu_type_info = { - .name = TYPE_UNICORE32_CPU, - .parent = TYPE_CPU, - .instance_size = sizeof(UniCore32CPU), - .instance_init = uc32_cpu_initfn, - .abstract = true, - .class_size = sizeof(UniCore32CPUClass), - .class_init = uc32_cpu_class_init, -}; - -static void uc32_cpu_register_types(void) -{ - int i; - - type_register_static(&uc32_cpu_type_info); - for (i = 0; i < ARRAY_SIZE(uc32_cpus); i++) { - uc32_register_cpu_type(&uc32_cpus[i]); - } -} - -type_init(uc32_cpu_register_types) diff --git a/qemu/target-unicore32/cpu.h b/qemu/target-unicore32/cpu.h deleted file mode 100644 index 9c1fbf9b7..000000000 --- a/qemu/target-unicore32/cpu.h +++ /dev/null @@ -1,162 +0,0 @@ -/* - * UniCore32 virtual CPU header - * - * Copyright (C) 2010-2012 Guan Xuetao - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation, or (at your option) any - * later version. See the COPYING file in the top-level directory. - */ -#ifndef QEMU_UNICORE32_CPU_H -#define QEMU_UNICORE32_CPU_H - -#define TARGET_LONG_BITS 32 -#define TARGET_PAGE_BITS 12 - -#define TARGET_PHYS_ADDR_SPACE_BITS 32 -#define TARGET_VIRT_ADDR_SPACE_BITS 32 - -#define CPUArchState struct CPUUniCore32State - -#include "qemu-common.h" -#include "exec/cpu-defs.h" -#include "fpu/softfloat.h" - -#define NB_MMU_MODES 2 - -typedef struct CPUUniCore32State { - /* Regs for current mode. */ - uint32_t regs[32]; - /* Frequently accessed ASR bits are stored separately for efficiently. - This contains all the other bits. Use asr_{read,write} to access - the whole ASR. */ - uint32_t uncached_asr; - uint32_t bsr; - - /* Banked registers. */ - uint32_t banked_bsr[6]; - uint32_t banked_r29[6]; - uint32_t banked_r30[6]; - - /* asr flag cache for faster execution */ - uint32_t CF; /* 0 or 1 */ - uint32_t VF; /* V is the bit 31. All other bits are undefined */ - uint32_t NF; /* N is bit 31. All other bits are undefined. */ - uint32_t ZF; /* Z set if zero. */ - - /* System control coprocessor (cp0) */ - struct { - uint32_t c0_cpuid; - uint32_t c0_cachetype; - uint32_t c1_sys; /* System control register. */ - uint32_t c2_base; /* MMU translation table base. */ - uint32_t c3_faultstatus; /* Fault status registers. */ - uint32_t c4_faultaddr; /* Fault address registers. */ - uint32_t c5_cacheop; /* Cache operation registers. */ - uint32_t c6_tlbop; /* TLB operation registers. */ - } cp0; - - /* UniCore-F64 coprocessor state. */ - struct { - float64 regs[16]; - uint32_t xregs[32]; - float_status fp_status; - } ucf64; - - CPU_COMMON - - /* Internal CPU feature flags. */ - uint32_t features; - -} CPUUniCore32State; - -#define ASR_M (0x1f) -#define ASR_MODE_USER (0x10) -#define ASR_MODE_INTR (0x12) -#define ASR_MODE_PRIV (0x13) -#define ASR_MODE_TRAP (0x17) -#define ASR_MODE_EXTN (0x1b) -#define ASR_MODE_SUSR (0x1f) -#define ASR_I (1 << 7) -#define ASR_V (1 << 28) -#define ASR_C (1 << 29) -#define ASR_Z (1 << 30) -#define ASR_N (1 << 31) -#define ASR_NZCV (ASR_N | ASR_Z | ASR_C | ASR_V) -#define ASR_RESERVED (~(ASR_M | ASR_I | ASR_NZCV)) - -#define UC32_EXCP_PRIV (1) -#define UC32_EXCP_ITRAP (2) -#define UC32_EXCP_DTRAP (3) -#define UC32_EXCP_INTR (4) - -/* Return the current ASR value. */ -target_ulong cpu_asr_read(CPUUniCore32State *env1); -/* Set the ASR. Note that some bits of mask must be all-set or all-clear. */ -void cpu_asr_write(CPUUniCore32State *env1, target_ulong val, target_ulong mask); - -/* UniCore-F64 system registers. */ -#define UC32_UCF64_FPSCR (31) -#define UCF64_FPSCR_MASK (0x27ffffff) -#define UCF64_FPSCR_RND_MASK (0x7) -#define UCF64_FPSCR_RND(r) (((r) >> 0) & UCF64_FPSCR_RND_MASK) -#define UCF64_FPSCR_TRAPEN_MASK (0x7f) -#define UCF64_FPSCR_TRAPEN(r) (((r) >> 10) & UCF64_FPSCR_TRAPEN_MASK) -#define UCF64_FPSCR_FLAG_MASK (0x3ff) -#define UCF64_FPSCR_FLAG(r) (((r) >> 17) & UCF64_FPSCR_FLAG_MASK) -#define UCF64_FPSCR_FLAG_ZERO (1 << 17) -#define UCF64_FPSCR_FLAG_INFINITY (1 << 18) -#define UCF64_FPSCR_FLAG_INVALID (1 << 19) -#define UCF64_FPSCR_FLAG_UNDERFLOW (1 << 20) -#define UCF64_FPSCR_FLAG_OVERFLOW (1 << 21) -#define UCF64_FPSCR_FLAG_INEXACT (1 << 22) -#define UCF64_FPSCR_FLAG_HUGEINT (1 << 23) -#define UCF64_FPSCR_FLAG_DENORMAL (1 << 24) -#define UCF64_FPSCR_FLAG_UNIMP (1 << 25) -#define UCF64_FPSCR_FLAG_DIVZERO (1 << 26) - -#define UC32_HWCAP_CMOV 4 /* 1 << 2 */ -#define UC32_HWCAP_UCF64 8 /* 1 << 3 */ - -#define cpu_exec uc32_cpu_exec -#define cpu_signal_handler uc32_cpu_signal_handler - -int uc32_cpu_signal_handler(int host_signum, void *pinfo, void *puc); - -/* MMU modes definitions */ -#define MMU_MODE0_SUFFIX _kernel -#define MMU_MODE1_SUFFIX _user -#define MMU_USER_IDX 1 -static inline int cpu_mmu_index(CPUUniCore32State *env, bool ifetch) -{ - return (env->uncached_asr & ASR_M) == ASR_MODE_USER ? 1 : 0; -} - -#include "exec/cpu-all.h" -#include "cpu-qom.h" -#include "exec/exec-all.h" - -int uc32_cpu_exec(CPUState *s); - -UniCore32CPU *uc32_cpu_init(const char *cpu_model); - -#define cpu_init(cpu_model) CPU(uc32_cpu_init(cpu_model)) - -static inline void cpu_get_tb_cpu_state(CPUUniCore32State *env, target_ulong *pc, - target_ulong *cs_base, int *flags) -{ - *pc = env->regs[31]; - *cs_base = 0; - *flags = 0; - if ((env->uncached_asr & ASR_M) != ASR_MODE_USER) { - *flags |= (1 << 6); - } -} - -int uc32_cpu_handle_mmu_fault(CPUState *cpu, vaddr address, int rw, - int mmu_idx); -void uc32_translate_init(void); -void switch_mode(CPUUniCore32State *, int); - -#endif /* QEMU_UNICORE32_CPU_H */ diff --git a/qemu/target-unicore32/helper.c b/qemu/target-unicore32/helper.c deleted file mode 100644 index 21f5f3574..000000000 --- a/qemu/target-unicore32/helper.c +++ /dev/null @@ -1,262 +0,0 @@ -/* - * Copyright (C) 2010-2012 Guan Xuetao - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Contributions from 2012-04-01 on are considered under GPL version 2, - * or (at your option) any later version. - */ - -#include "qemu/osdep.h" -#include "cpu.h" -#include "exec/gdbstub.h" -#include "exec/helper-proto.h" -#include "qemu/host-utils.h" -#ifndef CONFIG_USER_ONLY -#include "ui/console.h" -#endif - -#undef DEBUG_UC32 - -#ifdef DEBUG_UC32 -#define DPRINTF(fmt, ...) printf("%s: " fmt , __func__, ## __VA_ARGS__) -#else -#define DPRINTF(fmt, ...) do {} while (0) -#endif - -UniCore32CPU *uc32_cpu_init(const char *cpu_model) -{ - return UNICORE32_CPU(cpu_generic_init(TYPE_UNICORE32_CPU, cpu_model)); -} - -uint32_t HELPER(clo)(uint32_t x) -{ - return clo32(x); -} - -uint32_t HELPER(clz)(uint32_t x) -{ - return clz32(x); -} - -#ifndef CONFIG_USER_ONLY -void helper_cp0_set(CPUUniCore32State *env, uint32_t val, uint32_t creg, - uint32_t cop) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - - /* - * movc pp.nn, rn, #imm9 - * rn: UCOP_REG_D - * nn: UCOP_REG_N - * 1: sys control reg. - * 2: page table base reg. - * 3: data fault status reg. - * 4: insn fault status reg. - * 5: cache op. reg. - * 6: tlb op. reg. - * imm9: split UCOP_IMM10 with bit5 is 0 - */ - switch (creg) { - case 1: - if (cop != 0) { - goto unrecognized; - } - env->cp0.c1_sys = val; - break; - case 2: - if (cop != 0) { - goto unrecognized; - } - env->cp0.c2_base = val; - break; - case 3: - if (cop != 0) { - goto unrecognized; - } - env->cp0.c3_faultstatus = val; - break; - case 4: - if (cop != 0) { - goto unrecognized; - } - env->cp0.c4_faultaddr = val; - break; - case 5: - switch (cop) { - case 28: - DPRINTF("Invalidate Entire I&D cache\n"); - return; - case 20: - DPRINTF("Invalidate Entire Icache\n"); - return; - case 12: - DPRINTF("Invalidate Entire Dcache\n"); - return; - case 10: - DPRINTF("Clean Entire Dcache\n"); - return; - case 14: - DPRINTF("Flush Entire Dcache\n"); - return; - case 13: - DPRINTF("Invalidate Dcache line\n"); - return; - case 11: - DPRINTF("Clean Dcache line\n"); - return; - case 15: - DPRINTF("Flush Dcache line\n"); - return; - } - break; - case 6: - if ((cop <= 6) && (cop >= 2)) { - /* invalid all tlb */ - tlb_flush(CPU(cpu), 1); - return; - } - break; - default: - goto unrecognized; - } - return; -unrecognized: - DPRINTF("Wrong register (%d) or wrong operation (%d) in cp0_set!\n", - creg, cop); -} - -uint32_t helper_cp0_get(CPUUniCore32State *env, uint32_t creg, uint32_t cop) -{ - /* - * movc rd, pp.nn, #imm9 - * rd: UCOP_REG_D - * nn: UCOP_REG_N - * 0: cpuid and cachetype - * 1: sys control reg. - * 2: page table base reg. - * 3: data fault status reg. - * 4: insn fault status reg. - * imm9: split UCOP_IMM10 with bit5 is 0 - */ - switch (creg) { - case 0: - switch (cop) { - case 0: - return env->cp0.c0_cpuid; - case 1: - return env->cp0.c0_cachetype; - } - break; - case 1: - if (cop == 0) { - return env->cp0.c1_sys; - } - break; - case 2: - if (cop == 0) { - return env->cp0.c2_base; - } - break; - case 3: - if (cop == 0) { - return env->cp0.c3_faultstatus; - } - break; - case 4: - if (cop == 0) { - return env->cp0.c4_faultaddr; - } - break; - } - DPRINTF("Wrong register (%d) or wrong operation (%d) in cp0_set!\n", - creg, cop); - return 0; -} - -#ifdef CONFIG_CURSES -/* - * FIXME: - * 1. curses windows will be blank when switching back - * 2. backspace is not handled yet - */ -static void putc_on_screen(unsigned char ch) -{ - static WINDOW *localwin; - static int init; - - if (!init) { - /* Assume 80 * 30 screen to minimize the implementation */ - localwin = newwin(30, 80, 0, 0); - scrollok(localwin, TRUE); - init = TRUE; - } - - if (isprint(ch)) { - wprintw(localwin, "%c", ch); - } else { - switch (ch) { - case '\n': - wprintw(localwin, "%c", ch); - break; - case '\r': - /* If '\r' is put before '\n', the curses window will destroy the - * last print line. And meanwhile, '\n' implifies '\r' inside. */ - break; - default: /* Not handled, so just print it hex code */ - wprintw(localwin, "-- 0x%x --", ch); - } - } - - wrefresh(localwin); -} -#else -#define putc_on_screen(c) do { } while (0) -#endif - -void helper_cp1_putc(target_ulong x) -{ - putc_on_screen((unsigned char)x); /* Output to screen */ - DPRINTF("%c", x); /* Output to stdout */ -} -#endif - -#ifdef CONFIG_USER_ONLY -void switch_mode(CPUUniCore32State *env, int mode) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - - if (mode != ASR_MODE_USER) { - cpu_abort(CPU(cpu), "Tried to switch out of user mode\n"); - } -} - -void uc32_cpu_do_interrupt(CPUState *cs) -{ - cpu_abort(cs, "NO interrupt in user mode\n"); -} - -int uc32_cpu_handle_mmu_fault(CPUState *cs, vaddr address, - int access_type, int mmu_idx) -{ - cpu_abort(cs, "NO mmu fault in user mode\n"); - return 1; -} -#endif - -bool uc32_cpu_exec_interrupt(CPUState *cs, int interrupt_request) -{ - if (interrupt_request & CPU_INTERRUPT_HARD) { - UniCore32CPU *cpu = UNICORE32_CPU(cs); - CPUUniCore32State *env = &cpu->env; - - if (!(env->uncached_asr & ASR_I)) { - cs->exception_index = UC32_EXCP_INTR; - uc32_cpu_do_interrupt(cs); - return true; - } - } - return false; -} diff --git a/qemu/target-unicore32/helper.h b/qemu/target-unicore32/helper.h deleted file mode 100644 index 941813749..000000000 --- a/qemu/target-unicore32/helper.h +++ /dev/null @@ -1,65 +0,0 @@ -/* - * Copyright (C) 2010-2012 Guan Xuetao - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation, or (at your option) any - * later version. See the COPYING file in the top-level directory. - */ - -#ifndef CONFIG_USER_ONLY -DEF_HELPER_4(cp0_set, void, env, i32, i32, i32) -DEF_HELPER_3(cp0_get, i32, env, i32, i32) -DEF_HELPER_1(cp1_putc, void, i32) -#endif - -DEF_HELPER_1(clz, i32, i32) -DEF_HELPER_1(clo, i32, i32) - -DEF_HELPER_2(exception, void, env, i32) - -DEF_HELPER_3(asr_write, void, env, i32, i32) -DEF_HELPER_1(asr_read, i32, env) - -DEF_HELPER_2(get_user_reg, i32, env, i32) -DEF_HELPER_3(set_user_reg, void, env, i32, i32) - -DEF_HELPER_3(add_cc, i32, env, i32, i32) -DEF_HELPER_3(adc_cc, i32, env, i32, i32) -DEF_HELPER_3(sub_cc, i32, env, i32, i32) -DEF_HELPER_3(sbc_cc, i32, env, i32, i32) - -DEF_HELPER_2(shl, i32, i32, i32) -DEF_HELPER_2(shr, i32, i32, i32) -DEF_HELPER_2(sar, i32, i32, i32) -DEF_HELPER_3(shl_cc, i32, env, i32, i32) -DEF_HELPER_3(shr_cc, i32, env, i32, i32) -DEF_HELPER_3(sar_cc, i32, env, i32, i32) -DEF_HELPER_3(ror_cc, i32, env, i32, i32) - -DEF_HELPER_1(ucf64_get_fpscr, i32, env) -DEF_HELPER_2(ucf64_set_fpscr, void, env, i32) - -DEF_HELPER_3(ucf64_adds, f32, f32, f32, env) -DEF_HELPER_3(ucf64_addd, f64, f64, f64, env) -DEF_HELPER_3(ucf64_subs, f32, f32, f32, env) -DEF_HELPER_3(ucf64_subd, f64, f64, f64, env) -DEF_HELPER_3(ucf64_muls, f32, f32, f32, env) -DEF_HELPER_3(ucf64_muld, f64, f64, f64, env) -DEF_HELPER_3(ucf64_divs, f32, f32, f32, env) -DEF_HELPER_3(ucf64_divd, f64, f64, f64, env) -DEF_HELPER_1(ucf64_negs, f32, f32) -DEF_HELPER_1(ucf64_negd, f64, f64) -DEF_HELPER_1(ucf64_abss, f32, f32) -DEF_HELPER_1(ucf64_absd, f64, f64) -DEF_HELPER_4(ucf64_cmps, void, f32, f32, i32, env) -DEF_HELPER_4(ucf64_cmpd, void, f64, f64, i32, env) - -DEF_HELPER_2(ucf64_sf2df, f64, f32, env) -DEF_HELPER_2(ucf64_df2sf, f32, f64, env) - -DEF_HELPER_2(ucf64_si2sf, f32, f32, env) -DEF_HELPER_2(ucf64_si2df, f64, f32, env) - -DEF_HELPER_2(ucf64_sf2si, f32, f32, env) -DEF_HELPER_2(ucf64_df2si, f32, f64, env) diff --git a/qemu/target-unicore32/op_helper.c b/qemu/target-unicore32/op_helper.c deleted file mode 100644 index f5847307a..000000000 --- a/qemu/target-unicore32/op_helper.c +++ /dev/null @@ -1,260 +0,0 @@ -/* - * UniCore32 helper routines - * - * Copyright (C) 2010-2012 Guan Xuetao - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation, or (at your option) any - * later version. See the COPYING file in the top-level directory. - */ -#include "qemu/osdep.h" -#include "cpu.h" -#include "exec/helper-proto.h" -#include "exec/cpu_ldst.h" - -#define SIGNBIT (uint32_t)0x80000000 -#define SIGNBIT64 ((uint64_t)1 << 63) - -void HELPER(exception)(CPUUniCore32State *env, uint32_t excp) -{ - CPUState *cs = CPU(uc32_env_get_cpu(env)); - - cs->exception_index = excp; - cpu_loop_exit(cs); -} - -static target_ulong asr_read(CPUUniCore32State *env) -{ - int ZF; - ZF = (env->ZF == 0); - return env->uncached_asr | (env->NF & 0x80000000) | (ZF << 30) | - (env->CF << 29) | ((env->VF & 0x80000000) >> 3); -} - -target_ulong cpu_asr_read(CPUUniCore32State *env) -{ - return asr_read(env); -} - -target_ulong HELPER(asr_read)(CPUUniCore32State *env) -{ - return asr_read(env); -} - -static void asr_write(CPUUniCore32State *env, target_ulong val, - target_ulong mask) -{ - if (mask & ASR_NZCV) { - env->ZF = (~val) & ASR_Z; - env->NF = val; - env->CF = (val >> 29) & 1; - env->VF = (val << 3) & 0x80000000; - } - - if ((env->uncached_asr ^ val) & mask & ASR_M) { - switch_mode(env, val & ASR_M); - } - mask &= ~ASR_NZCV; - env->uncached_asr = (env->uncached_asr & ~mask) | (val & mask); -} - -void cpu_asr_write(CPUUniCore32State *env, target_ulong val, target_ulong mask) -{ - asr_write(env, val, mask); -} - -void HELPER(asr_write)(CPUUniCore32State *env, target_ulong val, - target_ulong mask) -{ - asr_write(env, val, mask); -} - -/* Access to user mode registers from privileged modes. */ -uint32_t HELPER(get_user_reg)(CPUUniCore32State *env, uint32_t regno) -{ - uint32_t val; - - if (regno == 29) { - val = env->banked_r29[0]; - } else if (regno == 30) { - val = env->banked_r30[0]; - } else { - val = env->regs[regno]; - } - return val; -} - -void HELPER(set_user_reg)(CPUUniCore32State *env, uint32_t regno, uint32_t val) -{ - if (regno == 29) { - env->banked_r29[0] = val; - } else if (regno == 30) { - env->banked_r30[0] = val; - } else { - env->regs[regno] = val; - } -} - -/* ??? Flag setting arithmetic is awkward because we need to do comparisons. - The only way to do that in TCG is a conditional branch, which clobbers - all our temporaries. For now implement these as helper functions. */ - -uint32_t HELPER(add_cc)(CPUUniCore32State *env, uint32_t a, uint32_t b) -{ - uint32_t result; - result = a + b; - env->NF = env->ZF = result; - env->CF = result < a; - env->VF = (a ^ b ^ -1) & (a ^ result); - return result; -} - -uint32_t HELPER(adc_cc)(CPUUniCore32State *env, uint32_t a, uint32_t b) -{ - uint32_t result; - if (!env->CF) { - result = a + b; - env->CF = result < a; - } else { - result = a + b + 1; - env->CF = result <= a; - } - env->VF = (a ^ b ^ -1) & (a ^ result); - env->NF = env->ZF = result; - return result; -} - -uint32_t HELPER(sub_cc)(CPUUniCore32State *env, uint32_t a, uint32_t b) -{ - uint32_t result; - result = a - b; - env->NF = env->ZF = result; - env->CF = a >= b; - env->VF = (a ^ b) & (a ^ result); - return result; -} - -uint32_t HELPER(sbc_cc)(CPUUniCore32State *env, uint32_t a, uint32_t b) -{ - uint32_t result; - if (!env->CF) { - result = a - b - 1; - env->CF = a > b; - } else { - result = a - b; - env->CF = a >= b; - } - env->VF = (a ^ b) & (a ^ result); - env->NF = env->ZF = result; - return result; -} - -/* Similarly for variable shift instructions. */ - -uint32_t HELPER(shl)(uint32_t x, uint32_t i) -{ - int shift = i & 0xff; - if (shift >= 32) { - return 0; - } - return x << shift; -} - -uint32_t HELPER(shr)(uint32_t x, uint32_t i) -{ - int shift = i & 0xff; - if (shift >= 32) { - return 0; - } - return (uint32_t)x >> shift; -} - -uint32_t HELPER(sar)(uint32_t x, uint32_t i) -{ - int shift = i & 0xff; - if (shift >= 32) { - shift = 31; - } - return (int32_t)x >> shift; -} - -uint32_t HELPER(shl_cc)(CPUUniCore32State *env, uint32_t x, uint32_t i) -{ - int shift = i & 0xff; - if (shift >= 32) { - if (shift == 32) { - env->CF = x & 1; - } else { - env->CF = 0; - } - return 0; - } else if (shift != 0) { - env->CF = (x >> (32 - shift)) & 1; - return x << shift; - } - return x; -} - -uint32_t HELPER(shr_cc)(CPUUniCore32State *env, uint32_t x, uint32_t i) -{ - int shift = i & 0xff; - if (shift >= 32) { - if (shift == 32) { - env->CF = (x >> 31) & 1; - } else { - env->CF = 0; - } - return 0; - } else if (shift != 0) { - env->CF = (x >> (shift - 1)) & 1; - return x >> shift; - } - return x; -} - -uint32_t HELPER(sar_cc)(CPUUniCore32State *env, uint32_t x, uint32_t i) -{ - int shift = i & 0xff; - if (shift >= 32) { - env->CF = (x >> 31) & 1; - return (int32_t)x >> 31; - } else if (shift != 0) { - env->CF = (x >> (shift - 1)) & 1; - return (int32_t)x >> shift; - } - return x; -} - -uint32_t HELPER(ror_cc)(CPUUniCore32State *env, uint32_t x, uint32_t i) -{ - int shift1, shift; - shift1 = i & 0xff; - shift = shift1 & 0x1f; - if (shift == 0) { - if (shift1 != 0) { - env->CF = (x >> 31) & 1; - } - return x; - } else { - env->CF = (x >> (shift - 1)) & 1; - return ((uint32_t)x >> shift) | (x << (32 - shift)); - } -} - -#ifndef CONFIG_USER_ONLY -void tlb_fill(CPUState *cs, target_ulong addr, int is_write, - int mmu_idx, uintptr_t retaddr) -{ - int ret; - - ret = uc32_cpu_handle_mmu_fault(cs, addr, is_write, mmu_idx); - if (unlikely(ret)) { - if (retaddr) { - /* now we have a real cpu fault */ - cpu_restore_state(cs, retaddr); - } - cpu_loop_exit(cs); - } -} -#endif diff --git a/qemu/target-unicore32/softmmu.c b/qemu/target-unicore32/softmmu.c deleted file mode 100644 index d267fed87..000000000 --- a/qemu/target-unicore32/softmmu.c +++ /dev/null @@ -1,277 +0,0 @@ -/* - * Softmmu related functions - * - * Copyright (C) 2010-2012 Guan Xuetao - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation, or any later version. - * See the COPYING file in the top-level directory. - */ -#ifdef CONFIG_USER_ONLY -#error This file only exist under softmmu circumstance -#endif - -#include "qemu/osdep.h" -#include <cpu.h> - -#undef DEBUG_UC32 - -#ifdef DEBUG_UC32 -#define DPRINTF(fmt, ...) printf("%s: " fmt , __func__, ## __VA_ARGS__) -#else -#define DPRINTF(fmt, ...) do {} while (0) -#endif - -#define SUPERPAGE_SIZE (1 << 22) -#define UC32_PAGETABLE_READ (1 << 8) -#define UC32_PAGETABLE_WRITE (1 << 7) -#define UC32_PAGETABLE_EXEC (1 << 6) -#define UC32_PAGETABLE_EXIST (1 << 2) -#define PAGETABLE_TYPE(x) ((x) & 3) - - -/* Map CPU modes onto saved register banks. */ -static inline int bank_number(CPUUniCore32State *env, int mode) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - - switch (mode) { - case ASR_MODE_USER: - case ASR_MODE_SUSR: - return 0; - case ASR_MODE_PRIV: - return 1; - case ASR_MODE_TRAP: - return 2; - case ASR_MODE_EXTN: - return 3; - case ASR_MODE_INTR: - return 4; - } - cpu_abort(CPU(cpu), "Bad mode %x\n", mode); - return -1; -} - -void switch_mode(CPUUniCore32State *env, int mode) -{ - int old_mode; - int i; - - old_mode = env->uncached_asr & ASR_M; - if (mode == old_mode) { - return; - } - - i = bank_number(env, old_mode); - env->banked_r29[i] = env->regs[29]; - env->banked_r30[i] = env->regs[30]; - env->banked_bsr[i] = env->bsr; - - i = bank_number(env, mode); - env->regs[29] = env->banked_r29[i]; - env->regs[30] = env->banked_r30[i]; - env->bsr = env->banked_bsr[i]; -} - -/* Handle a CPU exception. */ -void uc32_cpu_do_interrupt(CPUState *cs) -{ - UniCore32CPU *cpu = UNICORE32_CPU(cs); - CPUUniCore32State *env = &cpu->env; - uint32_t addr; - int new_mode; - - switch (cs->exception_index) { - case UC32_EXCP_PRIV: - new_mode = ASR_MODE_PRIV; - addr = 0x08; - break; - case UC32_EXCP_ITRAP: - DPRINTF("itrap happened at %x\n", env->regs[31]); - new_mode = ASR_MODE_TRAP; - addr = 0x0c; - break; - case UC32_EXCP_DTRAP: - DPRINTF("dtrap happened at %x\n", env->regs[31]); - new_mode = ASR_MODE_TRAP; - addr = 0x10; - break; - case UC32_EXCP_INTR: - new_mode = ASR_MODE_INTR; - addr = 0x18; - break; - default: - cpu_abort(cs, "Unhandled exception 0x%x\n", cs->exception_index); - return; - } - /* High vectors. */ - if (env->cp0.c1_sys & (1 << 13)) { - addr += 0xffff0000; - } - - switch_mode(env, new_mode); - env->bsr = cpu_asr_read(env); - env->uncached_asr = (env->uncached_asr & ~ASR_M) | new_mode; - env->uncached_asr |= ASR_I; - /* The PC already points to the proper instruction. */ - env->regs[30] = env->regs[31]; - env->regs[31] = addr; - cs->interrupt_request |= CPU_INTERRUPT_EXITTB; -} - -static int get_phys_addr_ucv2(CPUUniCore32State *env, uint32_t address, - int access_type, int is_user, uint32_t *phys_ptr, int *prot, - target_ulong *page_size) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - CPUState *cs = CPU(cpu); - int code; - uint32_t table; - uint32_t desc; - uint32_t phys_addr; - - /* Pagetable walk. */ - /* Lookup l1 descriptor. */ - table = env->cp0.c2_base & 0xfffff000; - table |= (address >> 20) & 0xffc; - desc = ldl_phys(cs->as, table); - code = 0; - switch (PAGETABLE_TYPE(desc)) { - case 3: - /* Superpage */ - if (!(desc & UC32_PAGETABLE_EXIST)) { - code = 0x0b; /* superpage miss */ - goto do_fault; - } - phys_addr = (desc & 0xffc00000) | (address & 0x003fffff); - *page_size = SUPERPAGE_SIZE; - break; - case 0: - /* Lookup l2 entry. */ - if (is_user) { - DPRINTF("PGD address %x, desc %x\n", table, desc); - } - if (!(desc & UC32_PAGETABLE_EXIST)) { - code = 0x05; /* second pagetable miss */ - goto do_fault; - } - table = (desc & 0xfffff000) | ((address >> 10) & 0xffc); - desc = ldl_phys(cs->as, table); - /* 4k page. */ - if (is_user) { - DPRINTF("PTE address %x, desc %x\n", table, desc); - } - if (!(desc & UC32_PAGETABLE_EXIST)) { - code = 0x08; /* page miss */ - goto do_fault; - } - switch (PAGETABLE_TYPE(desc)) { - case 0: - phys_addr = (desc & 0xfffff000) | (address & 0xfff); - *page_size = TARGET_PAGE_SIZE; - break; - default: - cpu_abort(CPU(cpu), "wrong page type!"); - } - break; - default: - cpu_abort(CPU(cpu), "wrong page type!"); - } - - *phys_ptr = phys_addr; - *prot = 0; - /* Check access permissions. */ - if (desc & UC32_PAGETABLE_READ) { - *prot |= PAGE_READ; - } else { - if (is_user && (access_type == 0)) { - code = 0x11; /* access unreadable area */ - goto do_fault; - } - } - - if (desc & UC32_PAGETABLE_WRITE) { - *prot |= PAGE_WRITE; - } else { - if (is_user && (access_type == 1)) { - code = 0x12; /* access unwritable area */ - goto do_fault; - } - } - - if (desc & UC32_PAGETABLE_EXEC) { - *prot |= PAGE_EXEC; - } else { - if (is_user && (access_type == 2)) { - code = 0x13; /* access unexecutable area */ - goto do_fault; - } - } - -do_fault: - return code; -} - -int uc32_cpu_handle_mmu_fault(CPUState *cs, vaddr address, - int access_type, int mmu_idx) -{ - UniCore32CPU *cpu = UNICORE32_CPU(cs); - CPUUniCore32State *env = &cpu->env; - uint32_t phys_addr; - target_ulong page_size; - int prot; - int ret, is_user; - - ret = 1; - is_user = mmu_idx == MMU_USER_IDX; - - if ((env->cp0.c1_sys & 1) == 0) { - /* MMU disabled. */ - phys_addr = address; - prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC; - page_size = TARGET_PAGE_SIZE; - ret = 0; - } else { - if ((address & (1 << 31)) || (is_user)) { - ret = get_phys_addr_ucv2(env, address, access_type, is_user, - &phys_addr, &prot, &page_size); - if (is_user) { - DPRINTF("user space access: ret %x, address %" VADDR_PRIx ", " - "access_type %x, phys_addr %x, prot %x\n", - ret, address, access_type, phys_addr, prot); - } - } else { - /*IO memory */ - phys_addr = address | (1 << 31); - prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC; - page_size = TARGET_PAGE_SIZE; - ret = 0; - } - } - - if (ret == 0) { - /* Map a single page. */ - phys_addr &= TARGET_PAGE_MASK; - address &= TARGET_PAGE_MASK; - tlb_set_page(cs, address, phys_addr, prot, mmu_idx, page_size); - return 0; - } - - env->cp0.c3_faultstatus = ret; - env->cp0.c4_faultaddr = address; - if (access_type == 2) { - cs->exception_index = UC32_EXCP_ITRAP; - } else { - cs->exception_index = UC32_EXCP_DTRAP; - } - return ret; -} - -hwaddr uc32_cpu_get_phys_page_debug(CPUState *cs, vaddr addr) -{ - UniCore32CPU *cpu = UNICORE32_CPU(cs); - - cpu_abort(CPU(cpu), "%s not supported yet\n", __func__); - return addr; -} diff --git a/qemu/target-unicore32/translate.c b/qemu/target-unicore32/translate.c deleted file mode 100644 index 39af3af05..000000000 --- a/qemu/target-unicore32/translate.c +++ /dev/null @@ -1,2100 +0,0 @@ -/* - * UniCore32 translation - * - * Copyright (C) 2010-2012 Guan Xuetao - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation, or (at your option) any - * later version. See the COPYING file in the top-level directory. - */ -#include "qemu/osdep.h" - -#include "cpu.h" -#include "disas/disas.h" -#include "tcg-op.h" -#include "qemu/log.h" -#include "exec/cpu_ldst.h" - -#include "exec/helper-proto.h" -#include "exec/helper-gen.h" - -#include "trace-tcg.h" -#include "exec/log.h" - - -/* internal defines */ -typedef struct DisasContext { - target_ulong pc; - int is_jmp; - /* Nonzero if this instruction has been conditionally skipped. */ - int condjmp; - /* The label that will be jumped to when the instruction is skipped. */ - TCGLabel *condlabel; - struct TranslationBlock *tb; - int singlestep_enabled; -#ifndef CONFIG_USER_ONLY - int user; -#endif -} DisasContext; - -#ifndef CONFIG_USER_ONLY -#define IS_USER(s) (s->user) -#else -#define IS_USER(s) 1 -#endif - -/* These instructions trap after executing, so defer them until after the - conditional executions state has been updated. */ -#define DISAS_SYSCALL 5 - -static TCGv_env cpu_env; -static TCGv_i32 cpu_R[32]; - -/* FIXME: These should be removed. */ -static TCGv cpu_F0s, cpu_F1s; -static TCGv_i64 cpu_F0d, cpu_F1d; - -#include "exec/gen-icount.h" - -static const char *regnames[] = { - "r00", "r01", "r02", "r03", "r04", "r05", "r06", "r07", - "r08", "r09", "r10", "r11", "r12", "r13", "r14", "r15", - "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", - "r24", "r25", "r26", "r27", "r28", "r29", "r30", "pc" }; - -/* initialize TCG globals. */ -void uc32_translate_init(void) -{ - int i; - - cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env"); - - for (i = 0; i < 32; i++) { - cpu_R[i] = tcg_global_mem_new_i32(cpu_env, - offsetof(CPUUniCore32State, regs[i]), regnames[i]); - } -} - -static int num_temps; - -/* Allocate a temporary variable. */ -static TCGv_i32 new_tmp(void) -{ - num_temps++; - return tcg_temp_new_i32(); -} - -/* Release a temporary variable. */ -static void dead_tmp(TCGv tmp) -{ - tcg_temp_free(tmp); - num_temps--; -} - -static inline TCGv load_cpu_offset(int offset) -{ - TCGv tmp = new_tmp(); - tcg_gen_ld_i32(tmp, cpu_env, offset); - return tmp; -} - -#define load_cpu_field(name) load_cpu_offset(offsetof(CPUUniCore32State, name)) - -static inline void store_cpu_offset(TCGv var, int offset) -{ - tcg_gen_st_i32(var, cpu_env, offset); - dead_tmp(var); -} - -#define store_cpu_field(var, name) \ - store_cpu_offset(var, offsetof(CPUUniCore32State, name)) - -/* Set a variable to the value of a CPU register. */ -static void load_reg_var(DisasContext *s, TCGv var, int reg) -{ - if (reg == 31) { - uint32_t addr; - /* normaly, since we updated PC */ - addr = (long)s->pc; - tcg_gen_movi_i32(var, addr); - } else { - tcg_gen_mov_i32(var, cpu_R[reg]); - } -} - -/* Create a new temporary and set it to the value of a CPU register. */ -static inline TCGv load_reg(DisasContext *s, int reg) -{ - TCGv tmp = new_tmp(); - load_reg_var(s, tmp, reg); - return tmp; -} - -/* Set a CPU register. The source must be a temporary and will be - marked as dead. */ -static void store_reg(DisasContext *s, int reg, TCGv var) -{ - if (reg == 31) { - tcg_gen_andi_i32(var, var, ~3); - s->is_jmp = DISAS_JUMP; - } - tcg_gen_mov_i32(cpu_R[reg], var); - dead_tmp(var); -} - -/* Value extensions. */ -#define gen_uxtb(var) tcg_gen_ext8u_i32(var, var) -#define gen_uxth(var) tcg_gen_ext16u_i32(var, var) -#define gen_sxtb(var) tcg_gen_ext8s_i32(var, var) -#define gen_sxth(var) tcg_gen_ext16s_i32(var, var) - -#define UCOP_REG_M (((insn) >> 0) & 0x1f) -#define UCOP_REG_N (((insn) >> 19) & 0x1f) -#define UCOP_REG_D (((insn) >> 14) & 0x1f) -#define UCOP_REG_S (((insn) >> 9) & 0x1f) -#define UCOP_REG_LO (((insn) >> 14) & 0x1f) -#define UCOP_REG_HI (((insn) >> 9) & 0x1f) -#define UCOP_SH_OP (((insn) >> 6) & 0x03) -#define UCOP_SH_IM (((insn) >> 9) & 0x1f) -#define UCOP_OPCODES (((insn) >> 25) & 0x0f) -#define UCOP_IMM_9 (((insn) >> 0) & 0x1ff) -#define UCOP_IMM10 (((insn) >> 0) & 0x3ff) -#define UCOP_IMM14 (((insn) >> 0) & 0x3fff) -#define UCOP_COND (((insn) >> 25) & 0x0f) -#define UCOP_CMOV_COND (((insn) >> 19) & 0x0f) -#define UCOP_CPNUM (((insn) >> 10) & 0x0f) -#define UCOP_UCF64_FMT (((insn) >> 24) & 0x03) -#define UCOP_UCF64_FUNC (((insn) >> 6) & 0x0f) -#define UCOP_UCF64_COND (((insn) >> 6) & 0x0f) - -#define UCOP_SET(i) ((insn) & (1 << (i))) -#define UCOP_SET_P UCOP_SET(28) -#define UCOP_SET_U UCOP_SET(27) -#define UCOP_SET_B UCOP_SET(26) -#define UCOP_SET_W UCOP_SET(25) -#define UCOP_SET_L UCOP_SET(24) -#define UCOP_SET_S UCOP_SET(24) - -#define ILLEGAL cpu_abort(CPU(cpu), \ - "Illegal UniCore32 instruction %x at line %d!", \ - insn, __LINE__) - -#ifndef CONFIG_USER_ONLY -static void disas_cp0_insn(CPUUniCore32State *env, DisasContext *s, - uint32_t insn) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - TCGv tmp, tmp2, tmp3; - if ((insn & 0xfe000000) == 0xe0000000) { - tmp2 = new_tmp(); - tmp3 = new_tmp(); - tcg_gen_movi_i32(tmp2, UCOP_REG_N); - tcg_gen_movi_i32(tmp3, UCOP_IMM10); - if (UCOP_SET_L) { - tmp = new_tmp(); - gen_helper_cp0_get(tmp, cpu_env, tmp2, tmp3); - store_reg(s, UCOP_REG_D, tmp); - } else { - tmp = load_reg(s, UCOP_REG_D); - gen_helper_cp0_set(cpu_env, tmp, tmp2, tmp3); - dead_tmp(tmp); - } - dead_tmp(tmp2); - dead_tmp(tmp3); - return; - } - ILLEGAL; -} - -static void disas_ocd_insn(CPUUniCore32State *env, DisasContext *s, - uint32_t insn) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - TCGv tmp; - - if ((insn & 0xff003fff) == 0xe1000400) { - /* - * movc rd, pp.nn, #imm9 - * rd: UCOP_REG_D - * nn: UCOP_REG_N (must be 0) - * imm9: 0 - */ - if (UCOP_REG_N == 0) { - tmp = new_tmp(); - tcg_gen_movi_i32(tmp, 0); - store_reg(s, UCOP_REG_D, tmp); - return; - } else { - ILLEGAL; - } - } - if ((insn & 0xff003fff) == 0xe0000401) { - /* - * movc pp.nn, rn, #imm9 - * rn: UCOP_REG_D - * nn: UCOP_REG_N (must be 1) - * imm9: 1 - */ - if (UCOP_REG_N == 1) { - tmp = load_reg(s, UCOP_REG_D); - gen_helper_cp1_putc(tmp); - dead_tmp(tmp); - return; - } else { - ILLEGAL; - } - } - ILLEGAL; -} -#endif - -static inline void gen_set_asr(TCGv var, uint32_t mask) -{ - TCGv tmp_mask = tcg_const_i32(mask); - gen_helper_asr_write(cpu_env, var, tmp_mask); - tcg_temp_free_i32(tmp_mask); -} -/* Set NZCV flags from the high 4 bits of var. */ -#define gen_set_nzcv(var) gen_set_asr(var, ASR_NZCV) - -static void gen_exception(int excp) -{ - TCGv tmp = new_tmp(); - tcg_gen_movi_i32(tmp, excp); - gen_helper_exception(cpu_env, tmp); - dead_tmp(tmp); -} - -#define gen_set_CF(var) tcg_gen_st_i32(var, cpu_env, offsetof(CPUUniCore32State, CF)) - -/* Set CF to the top bit of var. */ -static void gen_set_CF_bit31(TCGv var) -{ - TCGv tmp = new_tmp(); - tcg_gen_shri_i32(tmp, var, 31); - gen_set_CF(tmp); - dead_tmp(tmp); -} - -/* Set N and Z flags from var. */ -static inline void gen_logic_CC(TCGv var) -{ - tcg_gen_st_i32(var, cpu_env, offsetof(CPUUniCore32State, NF)); - tcg_gen_st_i32(var, cpu_env, offsetof(CPUUniCore32State, ZF)); -} - -/* dest = T0 + T1 + CF. */ -static void gen_add_carry(TCGv dest, TCGv t0, TCGv t1) -{ - TCGv tmp; - tcg_gen_add_i32(dest, t0, t1); - tmp = load_cpu_field(CF); - tcg_gen_add_i32(dest, dest, tmp); - dead_tmp(tmp); -} - -/* dest = T0 - T1 + CF - 1. */ -static void gen_sub_carry(TCGv dest, TCGv t0, TCGv t1) -{ - TCGv tmp; - tcg_gen_sub_i32(dest, t0, t1); - tmp = load_cpu_field(CF); - tcg_gen_add_i32(dest, dest, tmp); - tcg_gen_subi_i32(dest, dest, 1); - dead_tmp(tmp); -} - -static void shifter_out_im(TCGv var, int shift) -{ - TCGv tmp = new_tmp(); - if (shift == 0) { - tcg_gen_andi_i32(tmp, var, 1); - } else { - tcg_gen_shri_i32(tmp, var, shift); - if (shift != 31) { - tcg_gen_andi_i32(tmp, tmp, 1); - } - } - gen_set_CF(tmp); - dead_tmp(tmp); -} - -/* Shift by immediate. Includes special handling for shift == 0. */ -static inline void gen_uc32_shift_im(TCGv var, int shiftop, int shift, - int flags) -{ - switch (shiftop) { - case 0: /* LSL */ - if (shift != 0) { - if (flags) { - shifter_out_im(var, 32 - shift); - } - tcg_gen_shli_i32(var, var, shift); - } - break; - case 1: /* LSR */ - if (shift == 0) { - if (flags) { - tcg_gen_shri_i32(var, var, 31); - gen_set_CF(var); - } - tcg_gen_movi_i32(var, 0); - } else { - if (flags) { - shifter_out_im(var, shift - 1); - } - tcg_gen_shri_i32(var, var, shift); - } - break; - case 2: /* ASR */ - if (shift == 0) { - shift = 32; - } - if (flags) { - shifter_out_im(var, shift - 1); - } - if (shift == 32) { - shift = 31; - } - tcg_gen_sari_i32(var, var, shift); - break; - case 3: /* ROR/RRX */ - if (shift != 0) { - if (flags) { - shifter_out_im(var, shift - 1); - } - tcg_gen_rotri_i32(var, var, shift); break; - } else { - TCGv tmp = load_cpu_field(CF); - if (flags) { - shifter_out_im(var, 0); - } - tcg_gen_shri_i32(var, var, 1); - tcg_gen_shli_i32(tmp, tmp, 31); - tcg_gen_or_i32(var, var, tmp); - dead_tmp(tmp); - } - } -}; - -static inline void gen_uc32_shift_reg(TCGv var, int shiftop, - TCGv shift, int flags) -{ - if (flags) { - switch (shiftop) { - case 0: - gen_helper_shl_cc(var, cpu_env, var, shift); - break; - case 1: - gen_helper_shr_cc(var, cpu_env, var, shift); - break; - case 2: - gen_helper_sar_cc(var, cpu_env, var, shift); - break; - case 3: - gen_helper_ror_cc(var, cpu_env, var, shift); - break; - } - } else { - switch (shiftop) { - case 0: - gen_helper_shl(var, var, shift); - break; - case 1: - gen_helper_shr(var, var, shift); - break; - case 2: - gen_helper_sar(var, var, shift); - break; - case 3: - tcg_gen_andi_i32(shift, shift, 0x1f); - tcg_gen_rotr_i32(var, var, shift); - break; - } - } - dead_tmp(shift); -} - -static void gen_test_cc(int cc, TCGLabel *label) -{ - TCGv tmp; - TCGv tmp2; - TCGLabel *inv; - - switch (cc) { - case 0: /* eq: Z */ - tmp = load_cpu_field(ZF); - tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label); - break; - case 1: /* ne: !Z */ - tmp = load_cpu_field(ZF); - tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, label); - break; - case 2: /* cs: C */ - tmp = load_cpu_field(CF); - tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, label); - break; - case 3: /* cc: !C */ - tmp = load_cpu_field(CF); - tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label); - break; - case 4: /* mi: N */ - tmp = load_cpu_field(NF); - tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label); - break; - case 5: /* pl: !N */ - tmp = load_cpu_field(NF); - tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label); - break; - case 6: /* vs: V */ - tmp = load_cpu_field(VF); - tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label); - break; - case 7: /* vc: !V */ - tmp = load_cpu_field(VF); - tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label); - break; - case 8: /* hi: C && !Z */ - inv = gen_new_label(); - tmp = load_cpu_field(CF); - tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, inv); - dead_tmp(tmp); - tmp = load_cpu_field(ZF); - tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, label); - gen_set_label(inv); - break; - case 9: /* ls: !C || Z */ - tmp = load_cpu_field(CF); - tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label); - dead_tmp(tmp); - tmp = load_cpu_field(ZF); - tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label); - break; - case 10: /* ge: N == V -> N ^ V == 0 */ - tmp = load_cpu_field(VF); - tmp2 = load_cpu_field(NF); - tcg_gen_xor_i32(tmp, tmp, tmp2); - dead_tmp(tmp2); - tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label); - break; - case 11: /* lt: N != V -> N ^ V != 0 */ - tmp = load_cpu_field(VF); - tmp2 = load_cpu_field(NF); - tcg_gen_xor_i32(tmp, tmp, tmp2); - dead_tmp(tmp2); - tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label); - break; - case 12: /* gt: !Z && N == V */ - inv = gen_new_label(); - tmp = load_cpu_field(ZF); - tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, inv); - dead_tmp(tmp); - tmp = load_cpu_field(VF); - tmp2 = load_cpu_field(NF); - tcg_gen_xor_i32(tmp, tmp, tmp2); - dead_tmp(tmp2); - tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label); - gen_set_label(inv); - break; - case 13: /* le: Z || N != V */ - tmp = load_cpu_field(ZF); - tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label); - dead_tmp(tmp); - tmp = load_cpu_field(VF); - tmp2 = load_cpu_field(NF); - tcg_gen_xor_i32(tmp, tmp, tmp2); - dead_tmp(tmp2); - tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label); - break; - default: - fprintf(stderr, "Bad condition code 0x%x\n", cc); - abort(); - } - dead_tmp(tmp); -} - -static const uint8_t table_logic_cc[16] = { - 1, /* and */ 1, /* xor */ 0, /* sub */ 0, /* rsb */ - 0, /* add */ 0, /* adc */ 0, /* sbc */ 0, /* rsc */ - 1, /* andl */ 1, /* xorl */ 0, /* cmp */ 0, /* cmn */ - 1, /* orr */ 1, /* mov */ 1, /* bic */ 1, /* mvn */ -}; - -/* Set PC state from an immediate address. */ -static inline void gen_bx_im(DisasContext *s, uint32_t addr) -{ - s->is_jmp = DISAS_UPDATE; - tcg_gen_movi_i32(cpu_R[31], addr & ~3); -} - -/* Set PC state from var. var is marked as dead. */ -static inline void gen_bx(DisasContext *s, TCGv var) -{ - s->is_jmp = DISAS_UPDATE; - tcg_gen_andi_i32(cpu_R[31], var, ~3); - dead_tmp(var); -} - -static inline void store_reg_bx(DisasContext *s, int reg, TCGv var) -{ - store_reg(s, reg, var); -} - -static inline TCGv gen_ld8s(TCGv addr, int index) -{ - TCGv tmp = new_tmp(); - tcg_gen_qemu_ld8s(tmp, addr, index); - return tmp; -} - -static inline TCGv gen_ld8u(TCGv addr, int index) -{ - TCGv tmp = new_tmp(); - tcg_gen_qemu_ld8u(tmp, addr, index); - return tmp; -} - -static inline TCGv gen_ld16s(TCGv addr, int index) -{ - TCGv tmp = new_tmp(); - tcg_gen_qemu_ld16s(tmp, addr, index); - return tmp; -} - -static inline TCGv gen_ld16u(TCGv addr, int index) -{ - TCGv tmp = new_tmp(); - tcg_gen_qemu_ld16u(tmp, addr, index); - return tmp; -} - -static inline TCGv gen_ld32(TCGv addr, int index) -{ - TCGv tmp = new_tmp(); - tcg_gen_qemu_ld32u(tmp, addr, index); - return tmp; -} - -static inline void gen_st8(TCGv val, TCGv addr, int index) -{ - tcg_gen_qemu_st8(val, addr, index); - dead_tmp(val); -} - -static inline void gen_st16(TCGv val, TCGv addr, int index) -{ - tcg_gen_qemu_st16(val, addr, index); - dead_tmp(val); -} - -static inline void gen_st32(TCGv val, TCGv addr, int index) -{ - tcg_gen_qemu_st32(val, addr, index); - dead_tmp(val); -} - -static inline void gen_set_pc_im(uint32_t val) -{ - tcg_gen_movi_i32(cpu_R[31], val); -} - -/* Force a TB lookup after an instruction that changes the CPU state. */ -static inline void gen_lookup_tb(DisasContext *s) -{ - tcg_gen_movi_i32(cpu_R[31], s->pc & ~1); - s->is_jmp = DISAS_UPDATE; -} - -static inline void gen_add_data_offset(DisasContext *s, unsigned int insn, - TCGv var) -{ - int val; - TCGv offset; - - if (UCOP_SET(29)) { - /* immediate */ - val = UCOP_IMM14; - if (!UCOP_SET_U) { - val = -val; - } - if (val != 0) { - tcg_gen_addi_i32(var, var, val); - } - } else { - /* shift/register */ - offset = load_reg(s, UCOP_REG_M); - gen_uc32_shift_im(offset, UCOP_SH_OP, UCOP_SH_IM, 0); - if (!UCOP_SET_U) { - tcg_gen_sub_i32(var, var, offset); - } else { - tcg_gen_add_i32(var, var, offset); - } - dead_tmp(offset); - } -} - -static inline void gen_add_datah_offset(DisasContext *s, unsigned int insn, - TCGv var) -{ - int val; - TCGv offset; - - if (UCOP_SET(26)) { - /* immediate */ - val = (insn & 0x1f) | ((insn >> 4) & 0x3e0); - if (!UCOP_SET_U) { - val = -val; - } - if (val != 0) { - tcg_gen_addi_i32(var, var, val); - } - } else { - /* register */ - offset = load_reg(s, UCOP_REG_M); - if (!UCOP_SET_U) { - tcg_gen_sub_i32(var, var, offset); - } else { - tcg_gen_add_i32(var, var, offset); - } - dead_tmp(offset); - } -} - -static inline long ucf64_reg_offset(int reg) -{ - if (reg & 1) { - return offsetof(CPUUniCore32State, ucf64.regs[reg >> 1]) - + offsetof(CPU_DoubleU, l.upper); - } else { - return offsetof(CPUUniCore32State, ucf64.regs[reg >> 1]) - + offsetof(CPU_DoubleU, l.lower); - } -} - -#define ucf64_gen_ld32(reg) load_cpu_offset(ucf64_reg_offset(reg)) -#define ucf64_gen_st32(var, reg) store_cpu_offset(var, ucf64_reg_offset(reg)) - -/* UniCore-F64 single load/store I_offset */ -static void do_ucf64_ldst_i(CPUUniCore32State *env, DisasContext *s, uint32_t insn) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - int offset; - TCGv tmp; - TCGv addr; - - addr = load_reg(s, UCOP_REG_N); - if (!UCOP_SET_P && !UCOP_SET_W) { - ILLEGAL; - } - - if (UCOP_SET_P) { - offset = UCOP_IMM10 << 2; - if (!UCOP_SET_U) { - offset = -offset; - } - if (offset != 0) { - tcg_gen_addi_i32(addr, addr, offset); - } - } - - if (UCOP_SET_L) { /* load */ - tmp = gen_ld32(addr, IS_USER(s)); - ucf64_gen_st32(tmp, UCOP_REG_D); - } else { /* store */ - tmp = ucf64_gen_ld32(UCOP_REG_D); - gen_st32(tmp, addr, IS_USER(s)); - } - - if (!UCOP_SET_P) { - offset = UCOP_IMM10 << 2; - if (!UCOP_SET_U) { - offset = -offset; - } - if (offset != 0) { - tcg_gen_addi_i32(addr, addr, offset); - } - } - if (UCOP_SET_W) { - store_reg(s, UCOP_REG_N, addr); - } else { - dead_tmp(addr); - } -} - -/* UniCore-F64 load/store multiple words */ -static void do_ucf64_ldst_m(CPUUniCore32State *env, DisasContext *s, uint32_t insn) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - unsigned int i; - int j, n, freg; - TCGv tmp; - TCGv addr; - - if (UCOP_REG_D != 0) { - ILLEGAL; - } - if (UCOP_REG_N == 31) { - ILLEGAL; - } - if ((insn << 24) == 0) { - ILLEGAL; - } - - addr = load_reg(s, UCOP_REG_N); - - n = 0; - for (i = 0; i < 8; i++) { - if (UCOP_SET(i)) { - n++; - } - } - - if (UCOP_SET_U) { - if (UCOP_SET_P) { /* pre increment */ - tcg_gen_addi_i32(addr, addr, 4); - } /* unnecessary to do anything when post increment */ - } else { - if (UCOP_SET_P) { /* pre decrement */ - tcg_gen_addi_i32(addr, addr, -(n * 4)); - } else { /* post decrement */ - if (n != 1) { - tcg_gen_addi_i32(addr, addr, -((n - 1) * 4)); - } - } - } - - freg = ((insn >> 8) & 3) << 3; /* freg should be 0, 8, 16, 24 */ - - for (i = 0, j = 0; i < 8; i++, freg++) { - if (!UCOP_SET(i)) { - continue; - } - - if (UCOP_SET_L) { /* load */ - tmp = gen_ld32(addr, IS_USER(s)); - ucf64_gen_st32(tmp, freg); - } else { /* store */ - tmp = ucf64_gen_ld32(freg); - gen_st32(tmp, addr, IS_USER(s)); - } - - j++; - /* unnecessary to add after the last transfer */ - if (j != n) { - tcg_gen_addi_i32(addr, addr, 4); - } - } - - if (UCOP_SET_W) { /* write back */ - if (UCOP_SET_U) { - if (!UCOP_SET_P) { /* post increment */ - tcg_gen_addi_i32(addr, addr, 4); - } /* unnecessary to do anything when pre increment */ - } else { - if (UCOP_SET_P) { - /* pre decrement */ - if (n != 1) { - tcg_gen_addi_i32(addr, addr, -((n - 1) * 4)); - } - } else { - /* post decrement */ - tcg_gen_addi_i32(addr, addr, -(n * 4)); - } - } - store_reg(s, UCOP_REG_N, addr); - } else { - dead_tmp(addr); - } -} - -/* UniCore-F64 mrc/mcr */ -static void do_ucf64_trans(CPUUniCore32State *env, DisasContext *s, uint32_t insn) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - TCGv tmp; - - if ((insn & 0xfe0003ff) == 0xe2000000) { - /* control register */ - if ((UCOP_REG_N != UC32_UCF64_FPSCR) || (UCOP_REG_D == 31)) { - ILLEGAL; - } - if (UCOP_SET(24)) { - /* CFF */ - tmp = new_tmp(); - gen_helper_ucf64_get_fpscr(tmp, cpu_env); - store_reg(s, UCOP_REG_D, tmp); - } else { - /* CTF */ - tmp = load_reg(s, UCOP_REG_D); - gen_helper_ucf64_set_fpscr(cpu_env, tmp); - dead_tmp(tmp); - gen_lookup_tb(s); - } - return; - } - if ((insn & 0xfe0003ff) == 0xe0000000) { - /* general register */ - if (UCOP_REG_D == 31) { - ILLEGAL; - } - if (UCOP_SET(24)) { /* MFF */ - tmp = ucf64_gen_ld32(UCOP_REG_N); - store_reg(s, UCOP_REG_D, tmp); - } else { /* MTF */ - tmp = load_reg(s, UCOP_REG_D); - ucf64_gen_st32(tmp, UCOP_REG_N); - } - return; - } - if ((insn & 0xfb000000) == 0xe9000000) { - /* MFFC */ - if (UCOP_REG_D != 31) { - ILLEGAL; - } - if (UCOP_UCF64_COND & 0x8) { - ILLEGAL; - } - - tmp = new_tmp(); - tcg_gen_movi_i32(tmp, UCOP_UCF64_COND); - if (UCOP_SET(26)) { - tcg_gen_ld_i64(cpu_F0d, cpu_env, ucf64_reg_offset(UCOP_REG_N)); - tcg_gen_ld_i64(cpu_F1d, cpu_env, ucf64_reg_offset(UCOP_REG_M)); - gen_helper_ucf64_cmpd(cpu_F0d, cpu_F1d, tmp, cpu_env); - } else { - tcg_gen_ld_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_N)); - tcg_gen_ld_i32(cpu_F1s, cpu_env, ucf64_reg_offset(UCOP_REG_M)); - gen_helper_ucf64_cmps(cpu_F0s, cpu_F1s, tmp, cpu_env); - } - dead_tmp(tmp); - return; - } - ILLEGAL; -} - -/* UniCore-F64 convert instructions */ -static void do_ucf64_fcvt(CPUUniCore32State *env, DisasContext *s, uint32_t insn) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - - if (UCOP_UCF64_FMT == 3) { - ILLEGAL; - } - if (UCOP_REG_N != 0) { - ILLEGAL; - } - switch (UCOP_UCF64_FUNC) { - case 0: /* cvt.s */ - switch (UCOP_UCF64_FMT) { - case 1 /* d */: - tcg_gen_ld_i64(cpu_F0d, cpu_env, ucf64_reg_offset(UCOP_REG_M)); - gen_helper_ucf64_df2sf(cpu_F0s, cpu_F0d, cpu_env); - tcg_gen_st_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_D)); - break; - case 2 /* w */: - tcg_gen_ld_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_M)); - gen_helper_ucf64_si2sf(cpu_F0s, cpu_F0s, cpu_env); - tcg_gen_st_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_D)); - break; - default /* s */: - ILLEGAL; - break; - } - break; - case 1: /* cvt.d */ - switch (UCOP_UCF64_FMT) { - case 0 /* s */: - tcg_gen_ld_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_M)); - gen_helper_ucf64_sf2df(cpu_F0d, cpu_F0s, cpu_env); - tcg_gen_st_i64(cpu_F0d, cpu_env, ucf64_reg_offset(UCOP_REG_D)); - break; - case 2 /* w */: - tcg_gen_ld_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_M)); - gen_helper_ucf64_si2df(cpu_F0d, cpu_F0s, cpu_env); - tcg_gen_st_i64(cpu_F0d, cpu_env, ucf64_reg_offset(UCOP_REG_D)); - break; - default /* d */: - ILLEGAL; - break; - } - break; - case 4: /* cvt.w */ - switch (UCOP_UCF64_FMT) { - case 0 /* s */: - tcg_gen_ld_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_M)); - gen_helper_ucf64_sf2si(cpu_F0s, cpu_F0s, cpu_env); - tcg_gen_st_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_D)); - break; - case 1 /* d */: - tcg_gen_ld_i64(cpu_F0d, cpu_env, ucf64_reg_offset(UCOP_REG_M)); - gen_helper_ucf64_df2si(cpu_F0s, cpu_F0d, cpu_env); - tcg_gen_st_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_D)); - break; - default /* w */: - ILLEGAL; - break; - } - break; - default: - ILLEGAL; - } -} - -/* UniCore-F64 compare instructions */ -static void do_ucf64_fcmp(CPUUniCore32State *env, DisasContext *s, uint32_t insn) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - - if (UCOP_SET(25)) { - ILLEGAL; - } - if (UCOP_REG_D != 0) { - ILLEGAL; - } - - ILLEGAL; /* TODO */ - if (UCOP_SET(24)) { - tcg_gen_ld_i64(cpu_F0d, cpu_env, ucf64_reg_offset(UCOP_REG_N)); - tcg_gen_ld_i64(cpu_F1d, cpu_env, ucf64_reg_offset(UCOP_REG_M)); - /* gen_helper_ucf64_cmpd(cpu_F0d, cpu_F1d, cpu_env); */ - } else { - tcg_gen_ld_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_N)); - tcg_gen_ld_i32(cpu_F1s, cpu_env, ucf64_reg_offset(UCOP_REG_M)); - /* gen_helper_ucf64_cmps(cpu_F0s, cpu_F1s, cpu_env); */ - } -} - -#define gen_helper_ucf64_movs(x, y) do { } while (0) -#define gen_helper_ucf64_movd(x, y) do { } while (0) - -#define UCF64_OP1(name) do { \ - if (UCOP_REG_N != 0) { \ - ILLEGAL; \ - } \ - switch (UCOP_UCF64_FMT) { \ - case 0 /* s */: \ - tcg_gen_ld_i32(cpu_F0s, cpu_env, \ - ucf64_reg_offset(UCOP_REG_M)); \ - gen_helper_ucf64_##name##s(cpu_F0s, cpu_F0s); \ - tcg_gen_st_i32(cpu_F0s, cpu_env, \ - ucf64_reg_offset(UCOP_REG_D)); \ - break; \ - case 1 /* d */: \ - tcg_gen_ld_i64(cpu_F0d, cpu_env, \ - ucf64_reg_offset(UCOP_REG_M)); \ - gen_helper_ucf64_##name##d(cpu_F0d, cpu_F0d); \ - tcg_gen_st_i64(cpu_F0d, cpu_env, \ - ucf64_reg_offset(UCOP_REG_D)); \ - break; \ - case 2 /* w */: \ - ILLEGAL; \ - break; \ - } \ - } while (0) - -#define UCF64_OP2(name) do { \ - switch (UCOP_UCF64_FMT) { \ - case 0 /* s */: \ - tcg_gen_ld_i32(cpu_F0s, cpu_env, \ - ucf64_reg_offset(UCOP_REG_N)); \ - tcg_gen_ld_i32(cpu_F1s, cpu_env, \ - ucf64_reg_offset(UCOP_REG_M)); \ - gen_helper_ucf64_##name##s(cpu_F0s, \ - cpu_F0s, cpu_F1s, cpu_env); \ - tcg_gen_st_i32(cpu_F0s, cpu_env, \ - ucf64_reg_offset(UCOP_REG_D)); \ - break; \ - case 1 /* d */: \ - tcg_gen_ld_i64(cpu_F0d, cpu_env, \ - ucf64_reg_offset(UCOP_REG_N)); \ - tcg_gen_ld_i64(cpu_F1d, cpu_env, \ - ucf64_reg_offset(UCOP_REG_M)); \ - gen_helper_ucf64_##name##d(cpu_F0d, \ - cpu_F0d, cpu_F1d, cpu_env); \ - tcg_gen_st_i64(cpu_F0d, cpu_env, \ - ucf64_reg_offset(UCOP_REG_D)); \ - break; \ - case 2 /* w */: \ - ILLEGAL; \ - break; \ - } \ - } while (0) - -/* UniCore-F64 data processing */ -static void do_ucf64_datap(CPUUniCore32State *env, DisasContext *s, uint32_t insn) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - - if (UCOP_UCF64_FMT == 3) { - ILLEGAL; - } - switch (UCOP_UCF64_FUNC) { - case 0: /* add */ - UCF64_OP2(add); - break; - case 1: /* sub */ - UCF64_OP2(sub); - break; - case 2: /* mul */ - UCF64_OP2(mul); - break; - case 4: /* div */ - UCF64_OP2(div); - break; - case 5: /* abs */ - UCF64_OP1(abs); - break; - case 6: /* mov */ - UCF64_OP1(mov); - break; - case 7: /* neg */ - UCF64_OP1(neg); - break; - default: - ILLEGAL; - } -} - -/* Disassemble an F64 instruction */ -static void disas_ucf64_insn(CPUUniCore32State *env, DisasContext *s, uint32_t insn) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - - if (!UCOP_SET(29)) { - if (UCOP_SET(26)) { - do_ucf64_ldst_m(env, s, insn); - } else { - do_ucf64_ldst_i(env, s, insn); - } - } else { - if (UCOP_SET(5)) { - switch ((insn >> 26) & 0x3) { - case 0: - do_ucf64_datap(env, s, insn); - break; - case 1: - ILLEGAL; - break; - case 2: - do_ucf64_fcvt(env, s, insn); - break; - case 3: - do_ucf64_fcmp(env, s, insn); - break; - } - } else { - do_ucf64_trans(env, s, insn); - } - } -} - -static inline void gen_goto_tb(DisasContext *s, int n, uint32_t dest) -{ - TranslationBlock *tb; - - tb = s->tb; - if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) { - tcg_gen_goto_tb(n); - gen_set_pc_im(dest); - tcg_gen_exit_tb((uintptr_t)tb + n); - } else { - gen_set_pc_im(dest); - tcg_gen_exit_tb(0); - } -} - -static inline void gen_jmp(DisasContext *s, uint32_t dest) -{ - if (unlikely(s->singlestep_enabled)) { - /* An indirect jump so that we still trigger the debug exception. */ - gen_bx_im(s, dest); - } else { - gen_goto_tb(s, 0, dest); - s->is_jmp = DISAS_TB_JUMP; - } -} - -/* Returns nonzero if access to the PSR is not permitted. Marks t0 as dead. */ -static int gen_set_psr(DisasContext *s, uint32_t mask, int bsr, TCGv t0) -{ - TCGv tmp; - if (bsr) { - /* ??? This is also undefined in system mode. */ - if (IS_USER(s)) { - return 1; - } - - tmp = load_cpu_field(bsr); - tcg_gen_andi_i32(tmp, tmp, ~mask); - tcg_gen_andi_i32(t0, t0, mask); - tcg_gen_or_i32(tmp, tmp, t0); - store_cpu_field(tmp, bsr); - } else { - gen_set_asr(t0, mask); - } - dead_tmp(t0); - gen_lookup_tb(s); - return 0; -} - -/* Generate an old-style exception return. Marks pc as dead. */ -static void gen_exception_return(DisasContext *s, TCGv pc) -{ - TCGv tmp; - store_reg(s, 31, pc); - tmp = load_cpu_field(bsr); - gen_set_asr(tmp, 0xffffffff); - dead_tmp(tmp); - s->is_jmp = DISAS_UPDATE; -} - -static void disas_coproc_insn(CPUUniCore32State *env, DisasContext *s, - uint32_t insn) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - - switch (UCOP_CPNUM) { -#ifndef CONFIG_USER_ONLY - case 0: - disas_cp0_insn(env, s, insn); - break; - case 1: - disas_ocd_insn(env, s, insn); - break; -#endif - case 2: - disas_ucf64_insn(env, s, insn); - break; - default: - /* Unknown coprocessor. */ - cpu_abort(CPU(cpu), "Unknown coprocessor!"); - } -} - -/* data processing instructions */ -static void do_datap(CPUUniCore32State *env, DisasContext *s, uint32_t insn) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - TCGv tmp; - TCGv tmp2; - int logic_cc; - - if (UCOP_OPCODES == 0x0f || UCOP_OPCODES == 0x0d) { - if (UCOP_SET(23)) { /* CMOV instructions */ - if ((UCOP_CMOV_COND == 0xe) || (UCOP_CMOV_COND == 0xf)) { - ILLEGAL; - } - /* if not always execute, we generate a conditional jump to - next instruction */ - s->condlabel = gen_new_label(); - gen_test_cc(UCOP_CMOV_COND ^ 1, s->condlabel); - s->condjmp = 1; - } - } - - logic_cc = table_logic_cc[UCOP_OPCODES] & (UCOP_SET_S >> 24); - - if (UCOP_SET(29)) { - unsigned int val; - /* immediate operand */ - val = UCOP_IMM_9; - if (UCOP_SH_IM) { - val = (val >> UCOP_SH_IM) | (val << (32 - UCOP_SH_IM)); - } - tmp2 = new_tmp(); - tcg_gen_movi_i32(tmp2, val); - if (logic_cc && UCOP_SH_IM) { - gen_set_CF_bit31(tmp2); - } - } else { - /* register */ - tmp2 = load_reg(s, UCOP_REG_M); - if (UCOP_SET(5)) { - tmp = load_reg(s, UCOP_REG_S); - gen_uc32_shift_reg(tmp2, UCOP_SH_OP, tmp, logic_cc); - } else { - gen_uc32_shift_im(tmp2, UCOP_SH_OP, UCOP_SH_IM, logic_cc); - } - } - - if (UCOP_OPCODES != 0x0f && UCOP_OPCODES != 0x0d) { - tmp = load_reg(s, UCOP_REG_N); - } else { - TCGV_UNUSED(tmp); - } - - switch (UCOP_OPCODES) { - case 0x00: - tcg_gen_and_i32(tmp, tmp, tmp2); - if (logic_cc) { - gen_logic_CC(tmp); - } - store_reg_bx(s, UCOP_REG_D, tmp); - break; - case 0x01: - tcg_gen_xor_i32(tmp, tmp, tmp2); - if (logic_cc) { - gen_logic_CC(tmp); - } - store_reg_bx(s, UCOP_REG_D, tmp); - break; - case 0x02: - if (UCOP_SET_S && UCOP_REG_D == 31) { - /* SUBS r31, ... is used for exception return. */ - if (IS_USER(s)) { - ILLEGAL; - } - gen_helper_sub_cc(tmp, cpu_env, tmp, tmp2); - gen_exception_return(s, tmp); - } else { - if (UCOP_SET_S) { - gen_helper_sub_cc(tmp, cpu_env, tmp, tmp2); - } else { - tcg_gen_sub_i32(tmp, tmp, tmp2); - } - store_reg_bx(s, UCOP_REG_D, tmp); - } - break; - case 0x03: - if (UCOP_SET_S) { - gen_helper_sub_cc(tmp, cpu_env, tmp2, tmp); - } else { - tcg_gen_sub_i32(tmp, tmp2, tmp); - } - store_reg_bx(s, UCOP_REG_D, tmp); - break; - case 0x04: - if (UCOP_SET_S) { - gen_helper_add_cc(tmp, cpu_env, tmp, tmp2); - } else { - tcg_gen_add_i32(tmp, tmp, tmp2); - } - store_reg_bx(s, UCOP_REG_D, tmp); - break; - case 0x05: - if (UCOP_SET_S) { - gen_helper_adc_cc(tmp, cpu_env, tmp, tmp2); - } else { - gen_add_carry(tmp, tmp, tmp2); - } - store_reg_bx(s, UCOP_REG_D, tmp); - break; - case 0x06: - if (UCOP_SET_S) { - gen_helper_sbc_cc(tmp, cpu_env, tmp, tmp2); - } else { - gen_sub_carry(tmp, tmp, tmp2); - } - store_reg_bx(s, UCOP_REG_D, tmp); - break; - case 0x07: - if (UCOP_SET_S) { - gen_helper_sbc_cc(tmp, cpu_env, tmp2, tmp); - } else { - gen_sub_carry(tmp, tmp2, tmp); - } - store_reg_bx(s, UCOP_REG_D, tmp); - break; - case 0x08: - if (UCOP_SET_S) { - tcg_gen_and_i32(tmp, tmp, tmp2); - gen_logic_CC(tmp); - } - dead_tmp(tmp); - break; - case 0x09: - if (UCOP_SET_S) { - tcg_gen_xor_i32(tmp, tmp, tmp2); - gen_logic_CC(tmp); - } - dead_tmp(tmp); - break; - case 0x0a: - if (UCOP_SET_S) { - gen_helper_sub_cc(tmp, cpu_env, tmp, tmp2); - } - dead_tmp(tmp); - break; - case 0x0b: - if (UCOP_SET_S) { - gen_helper_add_cc(tmp, cpu_env, tmp, tmp2); - } - dead_tmp(tmp); - break; - case 0x0c: - tcg_gen_or_i32(tmp, tmp, tmp2); - if (logic_cc) { - gen_logic_CC(tmp); - } - store_reg_bx(s, UCOP_REG_D, tmp); - break; - case 0x0d: - if (logic_cc && UCOP_REG_D == 31) { - /* MOVS r31, ... is used for exception return. */ - if (IS_USER(s)) { - ILLEGAL; - } - gen_exception_return(s, tmp2); - } else { - if (logic_cc) { - gen_logic_CC(tmp2); - } - store_reg_bx(s, UCOP_REG_D, tmp2); - } - break; - case 0x0e: - tcg_gen_andc_i32(tmp, tmp, tmp2); - if (logic_cc) { - gen_logic_CC(tmp); - } - store_reg_bx(s, UCOP_REG_D, tmp); - break; - default: - case 0x0f: - tcg_gen_not_i32(tmp2, tmp2); - if (logic_cc) { - gen_logic_CC(tmp2); - } - store_reg_bx(s, UCOP_REG_D, tmp2); - break; - } - if (UCOP_OPCODES != 0x0f && UCOP_OPCODES != 0x0d) { - dead_tmp(tmp2); - } -} - -/* multiply */ -static void do_mult(CPUUniCore32State *env, DisasContext *s, uint32_t insn) -{ - TCGv tmp, tmp2, tmp3, tmp4; - - if (UCOP_SET(27)) { - /* 64 bit mul */ - tmp = load_reg(s, UCOP_REG_M); - tmp2 = load_reg(s, UCOP_REG_N); - if (UCOP_SET(26)) { - tcg_gen_muls2_i32(tmp, tmp2, tmp, tmp2); - } else { - tcg_gen_mulu2_i32(tmp, tmp2, tmp, tmp2); - } - if (UCOP_SET(25)) { /* mult accumulate */ - tmp3 = load_reg(s, UCOP_REG_LO); - tmp4 = load_reg(s, UCOP_REG_HI); - tcg_gen_add2_i32(tmp, tmp2, tmp, tmp2, tmp3, tmp4); - dead_tmp(tmp3); - dead_tmp(tmp4); - } - store_reg(s, UCOP_REG_LO, tmp); - store_reg(s, UCOP_REG_HI, tmp2); - } else { - /* 32 bit mul */ - tmp = load_reg(s, UCOP_REG_M); - tmp2 = load_reg(s, UCOP_REG_N); - tcg_gen_mul_i32(tmp, tmp, tmp2); - dead_tmp(tmp2); - if (UCOP_SET(25)) { - /* Add */ - tmp2 = load_reg(s, UCOP_REG_S); - tcg_gen_add_i32(tmp, tmp, tmp2); - dead_tmp(tmp2); - } - if (UCOP_SET_S) { - gen_logic_CC(tmp); - } - store_reg(s, UCOP_REG_D, tmp); - } -} - -/* miscellaneous instructions */ -static void do_misc(CPUUniCore32State *env, DisasContext *s, uint32_t insn) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - unsigned int val; - TCGv tmp; - - if ((insn & 0xffffffe0) == 0x10ffc120) { - /* Trivial implementation equivalent to bx. */ - tmp = load_reg(s, UCOP_REG_M); - gen_bx(s, tmp); - return; - } - - if ((insn & 0xfbffc000) == 0x30ffc000) { - /* PSR = immediate */ - val = UCOP_IMM_9; - if (UCOP_SH_IM) { - val = (val >> UCOP_SH_IM) | (val << (32 - UCOP_SH_IM)); - } - tmp = new_tmp(); - tcg_gen_movi_i32(tmp, val); - if (gen_set_psr(s, ~ASR_RESERVED, UCOP_SET_B, tmp)) { - ILLEGAL; - } - return; - } - - if ((insn & 0xfbffffe0) == 0x12ffc020) { - /* PSR.flag = reg */ - tmp = load_reg(s, UCOP_REG_M); - if (gen_set_psr(s, ASR_NZCV, UCOP_SET_B, tmp)) { - ILLEGAL; - } - return; - } - - if ((insn & 0xfbffffe0) == 0x10ffc020) { - /* PSR = reg */ - tmp = load_reg(s, UCOP_REG_M); - if (gen_set_psr(s, ~ASR_RESERVED, UCOP_SET_B, tmp)) { - ILLEGAL; - } - return; - } - - if ((insn & 0xfbf83fff) == 0x10f80000) { - /* reg = PSR */ - if (UCOP_SET_B) { - if (IS_USER(s)) { - ILLEGAL; - } - tmp = load_cpu_field(bsr); - } else { - tmp = new_tmp(); - gen_helper_asr_read(tmp, cpu_env); - } - store_reg(s, UCOP_REG_D, tmp); - return; - } - - if ((insn & 0xfbf83fe0) == 0x12f80120) { - /* clz */ - tmp = load_reg(s, UCOP_REG_M); - if (UCOP_SET(26)) { - gen_helper_clo(tmp, tmp); - } else { - gen_helper_clz(tmp, tmp); - } - store_reg(s, UCOP_REG_D, tmp); - return; - } - - /* otherwise */ - ILLEGAL; -} - -/* load/store I_offset and R_offset */ -static void do_ldst_ir(CPUUniCore32State *env, DisasContext *s, uint32_t insn) -{ - unsigned int mmu_idx; - TCGv tmp; - TCGv tmp2; - - tmp2 = load_reg(s, UCOP_REG_N); - mmu_idx = (IS_USER(s) || (!UCOP_SET_P && UCOP_SET_W)); - - /* immediate */ - if (UCOP_SET_P) { - gen_add_data_offset(s, insn, tmp2); - } - - if (UCOP_SET_L) { - /* load */ - if (UCOP_SET_B) { - tmp = gen_ld8u(tmp2, mmu_idx); - } else { - tmp = gen_ld32(tmp2, mmu_idx); - } - } else { - /* store */ - tmp = load_reg(s, UCOP_REG_D); - if (UCOP_SET_B) { - gen_st8(tmp, tmp2, mmu_idx); - } else { - gen_st32(tmp, tmp2, mmu_idx); - } - } - if (!UCOP_SET_P) { - gen_add_data_offset(s, insn, tmp2); - store_reg(s, UCOP_REG_N, tmp2); - } else if (UCOP_SET_W) { - store_reg(s, UCOP_REG_N, tmp2); - } else { - dead_tmp(tmp2); - } - if (UCOP_SET_L) { - /* Complete the load. */ - if (UCOP_REG_D == 31) { - gen_bx(s, tmp); - } else { - store_reg(s, UCOP_REG_D, tmp); - } - } -} - -/* SWP instruction */ -static void do_swap(CPUUniCore32State *env, DisasContext *s, uint32_t insn) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - TCGv addr; - TCGv tmp; - TCGv tmp2; - - if ((insn & 0xff003fe0) != 0x40000120) { - ILLEGAL; - } - - /* ??? This is not really atomic. However we know - we never have multiple CPUs running in parallel, - so it is good enough. */ - addr = load_reg(s, UCOP_REG_N); - tmp = load_reg(s, UCOP_REG_M); - if (UCOP_SET_B) { - tmp2 = gen_ld8u(addr, IS_USER(s)); - gen_st8(tmp, addr, IS_USER(s)); - } else { - tmp2 = gen_ld32(addr, IS_USER(s)); - gen_st32(tmp, addr, IS_USER(s)); - } - dead_tmp(addr); - store_reg(s, UCOP_REG_D, tmp2); -} - -/* load/store hw/sb */ -static void do_ldst_hwsb(CPUUniCore32State *env, DisasContext *s, uint32_t insn) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - TCGv addr; - TCGv tmp; - - if (UCOP_SH_OP == 0) { - do_swap(env, s, insn); - return; - } - - addr = load_reg(s, UCOP_REG_N); - if (UCOP_SET_P) { - gen_add_datah_offset(s, insn, addr); - } - - if (UCOP_SET_L) { /* load */ - switch (UCOP_SH_OP) { - case 1: - tmp = gen_ld16u(addr, IS_USER(s)); - break; - case 2: - tmp = gen_ld8s(addr, IS_USER(s)); - break; - default: /* see do_swap */ - case 3: - tmp = gen_ld16s(addr, IS_USER(s)); - break; - } - } else { /* store */ - if (UCOP_SH_OP != 1) { - ILLEGAL; - } - tmp = load_reg(s, UCOP_REG_D); - gen_st16(tmp, addr, IS_USER(s)); - } - /* Perform base writeback before the loaded value to - ensure correct behavior with overlapping index registers. */ - if (!UCOP_SET_P) { - gen_add_datah_offset(s, insn, addr); - store_reg(s, UCOP_REG_N, addr); - } else if (UCOP_SET_W) { - store_reg(s, UCOP_REG_N, addr); - } else { - dead_tmp(addr); - } - if (UCOP_SET_L) { - /* Complete the load. */ - store_reg(s, UCOP_REG_D, tmp); - } -} - -/* load/store multiple words */ -static void do_ldst_m(CPUUniCore32State *env, DisasContext *s, uint32_t insn) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - unsigned int val, i, mmu_idx; - int j, n, reg, user, loaded_base; - TCGv tmp; - TCGv tmp2; - TCGv addr; - TCGv loaded_var; - - if (UCOP_SET(7)) { - ILLEGAL; - } - /* XXX: store correct base if write back */ - user = 0; - if (UCOP_SET_B) { /* S bit in instruction table */ - if (IS_USER(s)) { - ILLEGAL; /* only usable in supervisor mode */ - } - if (UCOP_SET(18) == 0) { /* pc reg */ - user = 1; - } - } - - mmu_idx = (IS_USER(s) || (!UCOP_SET_P && UCOP_SET_W)); - addr = load_reg(s, UCOP_REG_N); - - /* compute total size */ - loaded_base = 0; - TCGV_UNUSED(loaded_var); - n = 0; - for (i = 0; i < 6; i++) { - if (UCOP_SET(i)) { - n++; - } - } - for (i = 9; i < 19; i++) { - if (UCOP_SET(i)) { - n++; - } - } - /* XXX: test invalid n == 0 case ? */ - if (UCOP_SET_U) { - if (UCOP_SET_P) { - /* pre increment */ - tcg_gen_addi_i32(addr, addr, 4); - } else { - /* post increment */ - } - } else { - if (UCOP_SET_P) { - /* pre decrement */ - tcg_gen_addi_i32(addr, addr, -(n * 4)); - } else { - /* post decrement */ - if (n != 1) { - tcg_gen_addi_i32(addr, addr, -((n - 1) * 4)); - } - } - } - - j = 0; - reg = UCOP_SET(6) ? 16 : 0; - for (i = 0; i < 19; i++, reg++) { - if (i == 6) { - i = i + 3; - } - if (UCOP_SET(i)) { - if (UCOP_SET_L) { /* load */ - tmp = gen_ld32(addr, mmu_idx); - if (reg == 31) { - gen_bx(s, tmp); - } else if (user) { - tmp2 = tcg_const_i32(reg); - gen_helper_set_user_reg(cpu_env, tmp2, tmp); - tcg_temp_free_i32(tmp2); - dead_tmp(tmp); - } else if (reg == UCOP_REG_N) { - loaded_var = tmp; - loaded_base = 1; - } else { - store_reg(s, reg, tmp); - } - } else { /* store */ - if (reg == 31) { - /* special case: r31 = PC + 4 */ - val = (long)s->pc; - tmp = new_tmp(); - tcg_gen_movi_i32(tmp, val); - } else if (user) { - tmp = new_tmp(); - tmp2 = tcg_const_i32(reg); - gen_helper_get_user_reg(tmp, cpu_env, tmp2); - tcg_temp_free_i32(tmp2); - } else { - tmp = load_reg(s, reg); - } - gen_st32(tmp, addr, mmu_idx); - } - j++; - /* no need to add after the last transfer */ - if (j != n) { - tcg_gen_addi_i32(addr, addr, 4); - } - } - } - if (UCOP_SET_W) { /* write back */ - if (UCOP_SET_U) { - if (UCOP_SET_P) { - /* pre increment */ - } else { - /* post increment */ - tcg_gen_addi_i32(addr, addr, 4); - } - } else { - if (UCOP_SET_P) { - /* pre decrement */ - if (n != 1) { - tcg_gen_addi_i32(addr, addr, -((n - 1) * 4)); - } - } else { - /* post decrement */ - tcg_gen_addi_i32(addr, addr, -(n * 4)); - } - } - store_reg(s, UCOP_REG_N, addr); - } else { - dead_tmp(addr); - } - if (loaded_base) { - store_reg(s, UCOP_REG_N, loaded_var); - } - if (UCOP_SET_B && !user) { - /* Restore ASR from BSR. */ - tmp = load_cpu_field(bsr); - gen_set_asr(tmp, 0xffffffff); - dead_tmp(tmp); - s->is_jmp = DISAS_UPDATE; - } -} - -/* branch (and link) */ -static void do_branch(CPUUniCore32State *env, DisasContext *s, uint32_t insn) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - unsigned int val; - int32_t offset; - TCGv tmp; - - if (UCOP_COND == 0xf) { - ILLEGAL; - } - - if (UCOP_COND != 0xe) { - /* if not always execute, we generate a conditional jump to - next instruction */ - s->condlabel = gen_new_label(); - gen_test_cc(UCOP_COND ^ 1, s->condlabel); - s->condjmp = 1; - } - - val = (int32_t)s->pc; - if (UCOP_SET_L) { - tmp = new_tmp(); - tcg_gen_movi_i32(tmp, val); - store_reg(s, 30, tmp); - } - offset = (((int32_t)insn << 8) >> 8); - val += (offset << 2); /* unicore is pc+4 */ - gen_jmp(s, val); -} - -static void disas_uc32_insn(CPUUniCore32State *env, DisasContext *s) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - unsigned int insn; - - insn = cpu_ldl_code(env, s->pc); - s->pc += 4; - - /* UniCore instructions class: - * AAAB BBBC xxxx xxxx xxxx xxxD xxEx xxxx - * AAA : see switch case - * BBBB : opcodes or cond or PUBW - * C : S OR L - * D : 8 - * E : 5 - */ - switch (insn >> 29) { - case 0x0: - if (UCOP_SET(5) && UCOP_SET(8) && !UCOP_SET(28)) { - do_mult(env, s, insn); - break; - } - - if (UCOP_SET(8)) { - do_misc(env, s, insn); - break; - } - case 0x1: - if (((UCOP_OPCODES >> 2) == 2) && !UCOP_SET_S) { - do_misc(env, s, insn); - break; - } - do_datap(env, s, insn); - break; - - case 0x2: - if (UCOP_SET(8) && UCOP_SET(5)) { - do_ldst_hwsb(env, s, insn); - break; - } - if (UCOP_SET(8) || UCOP_SET(5)) { - ILLEGAL; - } - case 0x3: - do_ldst_ir(env, s, insn); - break; - - case 0x4: - if (UCOP_SET(8)) { - ILLEGAL; /* extended instructions */ - } - do_ldst_m(env, s, insn); - break; - case 0x5: - do_branch(env, s, insn); - break; - case 0x6: - /* Coprocessor. */ - disas_coproc_insn(env, s, insn); - break; - case 0x7: - if (!UCOP_SET(28)) { - disas_coproc_insn(env, s, insn); - break; - } - if ((insn & 0xff000000) == 0xff000000) { /* syscall */ - gen_set_pc_im(s->pc); - s->is_jmp = DISAS_SYSCALL; - break; - } - ILLEGAL; - } -} - -/* generate intermediate code for basic block 'tb'. */ -void gen_intermediate_code(CPUUniCore32State *env, TranslationBlock *tb) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - CPUState *cs = CPU(cpu); - DisasContext dc1, *dc = &dc1; - target_ulong pc_start; - uint32_t next_page_start; - int num_insns; - int max_insns; - - /* generate intermediate code */ - num_temps = 0; - - pc_start = tb->pc; - - dc->tb = tb; - - dc->is_jmp = DISAS_NEXT; - dc->pc = pc_start; - dc->singlestep_enabled = cs->singlestep_enabled; - dc->condjmp = 0; - cpu_F0s = tcg_temp_new_i32(); - cpu_F1s = tcg_temp_new_i32(); - cpu_F0d = tcg_temp_new_i64(); - cpu_F1d = tcg_temp_new_i64(); - next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE; - num_insns = 0; - max_insns = tb->cflags & CF_COUNT_MASK; - if (max_insns == 0) { - max_insns = CF_COUNT_MASK; - } - if (max_insns > TCG_MAX_INSNS) { - max_insns = TCG_MAX_INSNS; - } - -#ifndef CONFIG_USER_ONLY - if ((env->uncached_asr & ASR_M) == ASR_MODE_USER) { - dc->user = 1; - } else { - dc->user = 0; - } -#endif - - gen_tb_start(tb); - do { - tcg_gen_insn_start(dc->pc); - num_insns++; - - if (unlikely(cpu_breakpoint_test(cs, dc->pc, BP_ANY))) { - gen_set_pc_im(dc->pc); - gen_exception(EXCP_DEBUG); - dc->is_jmp = DISAS_JUMP; - /* The address covered by the breakpoint must be included in - [tb->pc, tb->pc + tb->size) in order to for it to be - properly cleared -- thus we increment the PC here so that - the logic setting tb->size below does the right thing. */ - dc->pc += 4; - goto done_generating; - } - - if (num_insns == max_insns && (tb->cflags & CF_LAST_IO)) { - gen_io_start(); - } - - disas_uc32_insn(env, dc); - - if (num_temps) { - fprintf(stderr, "Internal resource leak before %08x\n", dc->pc); - num_temps = 0; - } - - if (dc->condjmp && !dc->is_jmp) { - gen_set_label(dc->condlabel); - dc->condjmp = 0; - } - /* Translation stops when a conditional branch is encountered. - * Otherwise the subsequent code could get translated several times. - * Also stop translation when a page boundary is reached. This - * ensures prefetch aborts occur at the right place. */ - } while (!dc->is_jmp && !tcg_op_buf_full() && - !cs->singlestep_enabled && - !singlestep && - dc->pc < next_page_start && - num_insns < max_insns); - - if (tb->cflags & CF_LAST_IO) { - if (dc->condjmp) { - /* FIXME: This can theoretically happen with self-modifying - code. */ - cpu_abort(cs, "IO on conditional branch instruction"); - } - gen_io_end(); - } - - /* At this stage dc->condjmp will only be set when the skipped - instruction was a conditional branch or trap, and the PC has - already been written. */ - if (unlikely(cs->singlestep_enabled)) { - /* Make sure the pc is updated, and raise a debug exception. */ - if (dc->condjmp) { - if (dc->is_jmp == DISAS_SYSCALL) { - gen_exception(UC32_EXCP_PRIV); - } else { - gen_exception(EXCP_DEBUG); - } - gen_set_label(dc->condlabel); - } - if (dc->condjmp || !dc->is_jmp) { - gen_set_pc_im(dc->pc); - dc->condjmp = 0; - } - if (dc->is_jmp == DISAS_SYSCALL && !dc->condjmp) { - gen_exception(UC32_EXCP_PRIV); - } else { - gen_exception(EXCP_DEBUG); - } - } else { - /* While branches must always occur at the end of an IT block, - there are a few other things that can cause us to terminate - the TB in the middel of an IT block: - - Exception generating instructions (bkpt, swi, undefined). - - Page boundaries. - - Hardware watchpoints. - Hardware breakpoints have already been handled and skip this code. - */ - switch (dc->is_jmp) { - case DISAS_NEXT: - gen_goto_tb(dc, 1, dc->pc); - break; - default: - case DISAS_JUMP: - case DISAS_UPDATE: - /* indicate that the hash table must be used to find the next TB */ - tcg_gen_exit_tb(0); - break; - case DISAS_TB_JUMP: - /* nothing more to generate */ - break; - case DISAS_SYSCALL: - gen_exception(UC32_EXCP_PRIV); - break; - } - if (dc->condjmp) { - gen_set_label(dc->condlabel); - gen_goto_tb(dc, 1, dc->pc); - dc->condjmp = 0; - } - } - -done_generating: - gen_tb_end(tb, num_insns); - -#ifdef DEBUG_DISAS - if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) { - qemu_log("----------------\n"); - qemu_log("IN: %s\n", lookup_symbol(pc_start)); - log_target_disas(cs, pc_start, dc->pc - pc_start, 0); - qemu_log("\n"); - } -#endif - tb->size = dc->pc - pc_start; - tb->icount = num_insns; -} - -static const char *cpu_mode_names[16] = { - "USER", "REAL", "INTR", "PRIV", "UM14", "UM15", "UM16", "TRAP", - "UM18", "UM19", "UM1A", "EXTN", "UM1C", "UM1D", "UM1E", "SUSR" -}; - -#undef UCF64_DUMP_STATE -#ifdef UCF64_DUMP_STATE -static void cpu_dump_state_ucf64(CPUUniCore32State *env, FILE *f, - fprintf_function cpu_fprintf, int flags) -{ - int i; - union { - uint32_t i; - float s; - } s0, s1; - CPU_DoubleU d; - /* ??? This assumes float64 and double have the same layout. - Oh well, it's only debug dumps. */ - union { - float64 f64; - double d; - } d0; - - for (i = 0; i < 16; i++) { - d.d = env->ucf64.regs[i]; - s0.i = d.l.lower; - s1.i = d.l.upper; - d0.f64 = d.d; - cpu_fprintf(f, "s%02d=%08x(%8g) s%02d=%08x(%8g)", - i * 2, (int)s0.i, s0.s, - i * 2 + 1, (int)s1.i, s1.s); - cpu_fprintf(f, " d%02d=%" PRIx64 "(%8g)\n", - i, (uint64_t)d0.f64, d0.d); - } - cpu_fprintf(f, "FPSCR: %08x\n", (int)env->ucf64.xregs[UC32_UCF64_FPSCR]); -} -#else -#define cpu_dump_state_ucf64(env, file, pr, flags) do { } while (0) -#endif - -void uc32_cpu_dump_state(CPUState *cs, FILE *f, - fprintf_function cpu_fprintf, int flags) -{ - UniCore32CPU *cpu = UNICORE32_CPU(cs); - CPUUniCore32State *env = &cpu->env; - int i; - uint32_t psr; - - for (i = 0; i < 32; i++) { - cpu_fprintf(f, "R%02d=%08x", i, env->regs[i]); - if ((i % 4) == 3) { - cpu_fprintf(f, "\n"); - } else { - cpu_fprintf(f, " "); - } - } - psr = cpu_asr_read(env); - cpu_fprintf(f, "PSR=%08x %c%c%c%c %s\n", - psr, - psr & (1 << 31) ? 'N' : '-', - psr & (1 << 30) ? 'Z' : '-', - psr & (1 << 29) ? 'C' : '-', - psr & (1 << 28) ? 'V' : '-', - cpu_mode_names[psr & 0xf]); - - cpu_dump_state_ucf64(env, f, cpu_fprintf, flags); -} - -void restore_state_to_opc(CPUUniCore32State *env, TranslationBlock *tb, - target_ulong *data) -{ - env->regs[31] = data[0]; -} diff --git a/qemu/target-unicore32/ucf64_helper.c b/qemu/target-unicore32/ucf64_helper.c deleted file mode 100644 index 6c919010c..000000000 --- a/qemu/target-unicore32/ucf64_helper.c +++ /dev/null @@ -1,325 +0,0 @@ -/* - * UniCore-F64 simulation helpers for QEMU. - * - * Copyright (C) 2010-2012 Guan Xuetao - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation, or any later version. - * See the COPYING file in the top-level directory. - */ -#include "qemu/osdep.h" -#include "cpu.h" -#include "exec/helper-proto.h" - -/* - * The convention used for UniCore-F64 instructions: - * Single precition routines have a "s" suffix - * Double precision routines have a "d" suffix. - */ - -/* Convert host exception flags to f64 form. */ -static inline int ucf64_exceptbits_from_host(int host_bits) -{ - int target_bits = 0; - - if (host_bits & float_flag_invalid) { - target_bits |= UCF64_FPSCR_FLAG_INVALID; - } - if (host_bits & float_flag_divbyzero) { - target_bits |= UCF64_FPSCR_FLAG_DIVZERO; - } - if (host_bits & float_flag_overflow) { - target_bits |= UCF64_FPSCR_FLAG_OVERFLOW; - } - if (host_bits & float_flag_underflow) { - target_bits |= UCF64_FPSCR_FLAG_UNDERFLOW; - } - if (host_bits & float_flag_inexact) { - target_bits |= UCF64_FPSCR_FLAG_INEXACT; - } - return target_bits; -} - -uint32_t HELPER(ucf64_get_fpscr)(CPUUniCore32State *env) -{ - int i; - uint32_t fpscr; - - fpscr = (env->ucf64.xregs[UC32_UCF64_FPSCR] & UCF64_FPSCR_MASK); - i = get_float_exception_flags(&env->ucf64.fp_status); - fpscr |= ucf64_exceptbits_from_host(i); - return fpscr; -} - -/* Convert ucf64 exception flags to target form. */ -static inline int ucf64_exceptbits_to_host(int target_bits) -{ - int host_bits = 0; - - if (target_bits & UCF64_FPSCR_FLAG_INVALID) { - host_bits |= float_flag_invalid; - } - if (target_bits & UCF64_FPSCR_FLAG_DIVZERO) { - host_bits |= float_flag_divbyzero; - } - if (target_bits & UCF64_FPSCR_FLAG_OVERFLOW) { - host_bits |= float_flag_overflow; - } - if (target_bits & UCF64_FPSCR_FLAG_UNDERFLOW) { - host_bits |= float_flag_underflow; - } - if (target_bits & UCF64_FPSCR_FLAG_INEXACT) { - host_bits |= float_flag_inexact; - } - return host_bits; -} - -void HELPER(ucf64_set_fpscr)(CPUUniCore32State *env, uint32_t val) -{ - UniCore32CPU *cpu = uc32_env_get_cpu(env); - int i; - uint32_t changed; - - changed = env->ucf64.xregs[UC32_UCF64_FPSCR]; - env->ucf64.xregs[UC32_UCF64_FPSCR] = (val & UCF64_FPSCR_MASK); - - changed ^= val; - if (changed & (UCF64_FPSCR_RND_MASK)) { - i = UCF64_FPSCR_RND(val); - switch (i) { - case 0: - i = float_round_nearest_even; - break; - case 1: - i = float_round_to_zero; - break; - case 2: - i = float_round_up; - break; - case 3: - i = float_round_down; - break; - default: /* 100 and 101 not implement */ - cpu_abort(CPU(cpu), "Unsupported UniCore-F64 round mode"); - } - set_float_rounding_mode(i, &env->ucf64.fp_status); - } - - i = ucf64_exceptbits_to_host(UCF64_FPSCR_TRAPEN(val)); - set_float_exception_flags(i, &env->ucf64.fp_status); -} - -float32 HELPER(ucf64_adds)(float32 a, float32 b, CPUUniCore32State *env) -{ - return float32_add(a, b, &env->ucf64.fp_status); -} - -float64 HELPER(ucf64_addd)(float64 a, float64 b, CPUUniCore32State *env) -{ - return float64_add(a, b, &env->ucf64.fp_status); -} - -float32 HELPER(ucf64_subs)(float32 a, float32 b, CPUUniCore32State *env) -{ - return float32_sub(a, b, &env->ucf64.fp_status); -} - -float64 HELPER(ucf64_subd)(float64 a, float64 b, CPUUniCore32State *env) -{ - return float64_sub(a, b, &env->ucf64.fp_status); -} - -float32 HELPER(ucf64_muls)(float32 a, float32 b, CPUUniCore32State *env) -{ - return float32_mul(a, b, &env->ucf64.fp_status); -} - -float64 HELPER(ucf64_muld)(float64 a, float64 b, CPUUniCore32State *env) -{ - return float64_mul(a, b, &env->ucf64.fp_status); -} - -float32 HELPER(ucf64_divs)(float32 a, float32 b, CPUUniCore32State *env) -{ - return float32_div(a, b, &env->ucf64.fp_status); -} - -float64 HELPER(ucf64_divd)(float64 a, float64 b, CPUUniCore32State *env) -{ - return float64_div(a, b, &env->ucf64.fp_status); -} - -float32 HELPER(ucf64_negs)(float32 a) -{ - return float32_chs(a); -} - -float64 HELPER(ucf64_negd)(float64 a) -{ - return float64_chs(a); -} - -float32 HELPER(ucf64_abss)(float32 a) -{ - return float32_abs(a); -} - -float64 HELPER(ucf64_absd)(float64 a) -{ - return float64_abs(a); -} - -void HELPER(ucf64_cmps)(float32 a, float32 b, uint32_t c, - CPUUniCore32State *env) -{ - int flag; - flag = float32_compare_quiet(a, b, &env->ucf64.fp_status); - env->CF = 0; - switch (c & 0x7) { - case 0: /* F */ - break; - case 1: /* UN */ - if (flag == 2) { - env->CF = 1; - } - break; - case 2: /* EQ */ - if (flag == 0) { - env->CF = 1; - } - break; - case 3: /* UEQ */ - if ((flag == 0) || (flag == 2)) { - env->CF = 1; - } - break; - case 4: /* OLT */ - if (flag == -1) { - env->CF = 1; - } - break; - case 5: /* ULT */ - if ((flag == -1) || (flag == 2)) { - env->CF = 1; - } - break; - case 6: /* OLE */ - if ((flag == -1) || (flag == 0)) { - env->CF = 1; - } - break; - case 7: /* ULE */ - if (flag != 1) { - env->CF = 1; - } - break; - } - env->ucf64.xregs[UC32_UCF64_FPSCR] = (env->CF << 29) - | (env->ucf64.xregs[UC32_UCF64_FPSCR] & 0x0fffffff); -} - -void HELPER(ucf64_cmpd)(float64 a, float64 b, uint32_t c, - CPUUniCore32State *env) -{ - int flag; - flag = float64_compare_quiet(a, b, &env->ucf64.fp_status); - env->CF = 0; - switch (c & 0x7) { - case 0: /* F */ - break; - case 1: /* UN */ - if (flag == 2) { - env->CF = 1; - } - break; - case 2: /* EQ */ - if (flag == 0) { - env->CF = 1; - } - break; - case 3: /* UEQ */ - if ((flag == 0) || (flag == 2)) { - env->CF = 1; - } - break; - case 4: /* OLT */ - if (flag == -1) { - env->CF = 1; - } - break; - case 5: /* ULT */ - if ((flag == -1) || (flag == 2)) { - env->CF = 1; - } - break; - case 6: /* OLE */ - if ((flag == -1) || (flag == 0)) { - env->CF = 1; - } - break; - case 7: /* ULE */ - if (flag != 1) { - env->CF = 1; - } - break; - } - env->ucf64.xregs[UC32_UCF64_FPSCR] = (env->CF << 29) - | (env->ucf64.xregs[UC32_UCF64_FPSCR] & 0x0fffffff); -} - -/* Helper routines to perform bitwise copies between float and int. */ -static inline float32 ucf64_itos(uint32_t i) -{ - union { - uint32_t i; - float32 s; - } v; - - v.i = i; - return v.s; -} - -static inline uint32_t ucf64_stoi(float32 s) -{ - union { - uint32_t i; - float32 s; - } v; - - v.s = s; - return v.i; -} - -/* Integer to float conversion. */ -float32 HELPER(ucf64_si2sf)(float32 x, CPUUniCore32State *env) -{ - return int32_to_float32(ucf64_stoi(x), &env->ucf64.fp_status); -} - -float64 HELPER(ucf64_si2df)(float32 x, CPUUniCore32State *env) -{ - return int32_to_float64(ucf64_stoi(x), &env->ucf64.fp_status); -} - -/* Float to integer conversion. */ -float32 HELPER(ucf64_sf2si)(float32 x, CPUUniCore32State *env) -{ - return ucf64_itos(float32_to_int32(x, &env->ucf64.fp_status)); -} - -float32 HELPER(ucf64_df2si)(float64 x, CPUUniCore32State *env) -{ - return ucf64_itos(float64_to_int32(x, &env->ucf64.fp_status)); -} - -/* floating point conversion */ -float64 HELPER(ucf64_sf2df)(float32 x, CPUUniCore32State *env) -{ - return float32_to_float64(x, &env->ucf64.fp_status); -} - -float32 HELPER(ucf64_df2sf)(float64 x, CPUUniCore32State *env) -{ - return float64_to_float32(x, &env->ucf64.fp_status); -} |