target-microblaze: Convert endi to a CPU property

[qemu.git] / target-microblaze / cpu.c

diff --git a/target-microblaze/cpu.c b/target-microblaze/cpu.c
index f108c0b52127ff042552536f1cb56cc4b2bd5a25..8429275b518cd19042ed7fd05d604f11105e2fe5 100644 (file)
--- a/target-microblaze/cpu.c
+++ b/target-microblaze/cpu.c
@@ -34,6 +34,11 @@ static void mb_cpu_set_pc(CPUState *cs, vaddr value)
     cpu->env.sregs[SR_PC] = value;
 }
 
+static bool mb_cpu_has_work(CPUState *cs)
+{
+    return cs->interrupt_request & (CPU_INTERRUPT_HARD | CPU_INTERRUPT_NMI);
+}
+
 #ifndef CONFIG_USER_ONLY
 static void microblaze_cpu_set_irq(void *opaque, int irq, int level)
 {
@@ -58,13 +63,34 @@ static void mb_cpu_reset(CPUState *s)
 
     mcc->parent_reset(s);
 
-    memset(env, 0, offsetof(CPUMBState, breakpoints));
+    memset(env, 0, offsetof(CPUMBState, pvr));
     env->res_addr = RES_ADDR_NONE;
-    tlb_flush(env, 1);
+    tlb_flush(s, 1);
 
     /* Disable stack protector.  */
     env->shr = ~0;
 
+#if defined(CONFIG_USER_ONLY)
+    /* start in user mode with interrupts enabled.  */
+    env->sregs[SR_MSR] = MSR_EE | MSR_IE | MSR_VM | MSR_UM;
+#else
+    env->sregs[SR_MSR] = 0;
+    mmu_init(&env->mmu);
+    env->mmu.c_mmu = 3;
+    env->mmu.c_mmu_tlb_access = 3;
+    env->mmu.c_mmu_zones = 16;
+#endif
+}
+
+static void mb_cpu_realizefn(DeviceState *dev, Error **errp)
+{
+    CPUState *cs = CPU(dev);
+    MicroBlazeCPUClass *mcc = MICROBLAZE_CPU_GET_CLASS(dev);
+    MicroBlazeCPU *cpu = MICROBLAZE_CPU(cs);
+    CPUMBState *env = &cpu->env;
+
+    qemu_init_vcpu(cs);
+
     env->pvr.regs[0] = PVR0_PVR_FULL_MASK \
                        | PVR0_USE_BARREL_MASK \
                        | PVR0_USE_DIV_MASK \
@@ -72,7 +98,6 @@ static void mb_cpu_reset(CPUState *s)
                        | PVR0_USE_EXC_MASK \
                        | PVR0_USE_ICACHE_MASK \
                        | PVR0_USE_DCACHE_MASK \
-                       | PVR0_USE_MMU \
                        | (0xb << 8);
     env->pvr.regs[2] = PVR2_D_OPB_MASK \
                         | PVR2_D_LMB_MASK \
@@ -84,33 +109,28 @@ static void mb_cpu_reset(CPUState *s)
                         | PVR2_USE_DIV_MASK \
                         | PVR2_USE_HW_MUL_MASK \
                         | PVR2_USE_MUL64_MASK \
-                        | PVR2_USE_FPU_MASK \
-                        | PVR2_USE_FPU2_MASK \
                         | PVR2_FPU_EXC_MASK \
                         | 0;
+
+    env->pvr.regs[0] |= (cpu->cfg.stackprot ? PVR0_SPROT_MASK : 0) |
+                        (cpu->cfg.use_fpu ? PVR0_USE_FPU_MASK : 0) |
+                        (cpu->cfg.use_mmu ? PVR0_USE_MMU_MASK : 0) |
+                        (cpu->cfg.endi ? PVR0_ENDI_MASK : 0);
+
+    env->pvr.regs[2] |= (cpu->cfg.use_fpu ? PVR2_USE_FPU_MASK : 0) |
+                        (cpu->cfg.use_fpu > 1 ? PVR2_USE_FPU2_MASK : 0);
+
+    env->pvr.regs[5] |= cpu->cfg.dcache_writeback ?
+                                        PVR5_DCACHE_WRITEBACK_MASK : 0;
+
     env->pvr.regs[10] = 0x0c000000; /* Default to spartan 3a dsp family.  */
     env->pvr.regs[11] = PVR11_USE_MMU | (16 << 17);
 
+    env->sregs[SR_PC] = cpu->cfg.base_vectors;
+
 #if defined(CONFIG_USER_ONLY)
-    /* start in user mode with interrupts enabled.  */
-    env->sregs[SR_MSR] = MSR_EE | MSR_IE | MSR_VM | MSR_UM;
     env->pvr.regs[10] = 0x0c000000; /* Spartan 3a dsp.  */
-#else
-    env->sregs[SR_MSR] = 0;
-    mmu_init(&env->mmu);
-    env->mmu.c_mmu = 3;
-    env->mmu.c_mmu_tlb_access = 3;
-    env->mmu.c_mmu_zones = 16;
 #endif
-}
-
-static void mb_cpu_realizefn(DeviceState *dev, Error **errp)
-{
-    CPUState *cs = CPU(dev);
-    MicroBlazeCPUClass *mcc = MICROBLAZE_CPU_GET_CLASS(dev);
-
-    cpu_reset(cs);
-    qemu_init_vcpu(cs);
 
     mcc->parent_realize(dev, errp);
 }
@@ -144,7 +164,18 @@ static const VMStateDescription vmstate_mb_cpu = {
 };
 
 static Property mb_properties[] = {
-    DEFINE_PROP_UINT32("xlnx.base-vectors", MicroBlazeCPU, base_vectors, 0),
+    DEFINE_PROP_UINT32("base-vectors", MicroBlazeCPU, cfg.base_vectors, 0),
+    DEFINE_PROP_BOOL("use-stack-protection", MicroBlazeCPU, cfg.stackprot,
+                     false),
+    /* If use-fpu > 0 - FPU is enabled
+     * If use-fpu = 2 - Floating point conversion and square root instructions
+     *                  are enabled
+     */
+    DEFINE_PROP_UINT8("use-fpu", MicroBlazeCPU, cfg.use_fpu, 2),
+    DEFINE_PROP_BOOL("use-mmu", MicroBlazeCPU, cfg.use_mmu, true),
+    DEFINE_PROP_BOOL("dcache-writeback", MicroBlazeCPU, cfg.dcache_writeback,
+                     false),
+    DEFINE_PROP_BOOL("endianness", MicroBlazeCPU, cfg.endi, false),
     DEFINE_PROP_END_OF_LIST(),
 };
 
@@ -160,12 +191,16 @@ static void mb_cpu_class_init(ObjectClass *oc, void *data)
     mcc->parent_reset = cc->reset;
     cc->reset = mb_cpu_reset;
 
+    cc->has_work = mb_cpu_has_work;
     cc->do_interrupt = mb_cpu_do_interrupt;
+    cc->cpu_exec_interrupt = mb_cpu_exec_interrupt;
     cc->dump_state = mb_cpu_dump_state;
     cc->set_pc = mb_cpu_set_pc;
     cc->gdb_read_register = mb_cpu_gdb_read_register;
     cc->gdb_write_register = mb_cpu_gdb_write_register;
-#ifndef CONFIG_USER_ONLY
+#ifdef CONFIG_USER_ONLY
+    cc->handle_mmu_fault = mb_cpu_handle_mmu_fault;
+#else
     cc->do_unassigned_access = mb_cpu_unassigned_access;
     cc->get_phys_page_debug = mb_cpu_get_phys_page_debug;
 #endif