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[Qemu-devel] [PATCH v4 2/6] mips: introduce internal.h and cleanup cpu.h
|
From: |
Philippe Mathieu-Daudé |
|
Subject: |
[Qemu-devel] [PATCH v4 2/6] mips: introduce internal.h and cleanup cpu.h |
|
Date: |
Wed, 20 Sep 2017 16:49:30 -0300 |
no logical change, only code movement (and fix a comment typo).
Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
Tested-by: Igor Mammedov <address@hidden>
Tested-by: James Hogan <address@hidden>
Acked-by: Eduardo Habkost <address@hidden>
---
This patch triggers 3 positive falses from checkpatch:
ERROR: space prohibited after that '&' (ctx:WxW)
#664: FILE: target/mips/internal.h:230:
+ if ((env->CP0_VPControl >> CP0VPCtl_DIS) & 1) {
^
#672: FILE: target/mips/internal.h:238:
+ ((other_cpu->env.CP0_VPControl >> CP0VPCtl_DIS) & 1)) {
^
#692: FILE: target/mips/internal.h:258:
+ env->hflags |= (env->CP0_Status >> CP0St_KSU) & MIPS_HFLAG_KSU;
^
total: 3 errors, 0 warnings, 842 lines checked
This is a "binary vs unary operators" confusion.
target/mips/cpu.h | 354 +--------------------------------------------
target/mips/internal.h | 362 +++++++++++++++++++++++++++++++++++++++++++++++
target/mips/cp0_timer.c | 1 +
target/mips/cpu.c | 1 +
target/mips/gdbstub.c | 1 +
target/mips/helper.c | 1 +
target/mips/kvm.c | 1 +
target/mips/machine.c | 1 +
target/mips/msa_helper.c | 1 +
target/mips/op_helper.c | 1 +
target/mips/translate.c | 1 +
11 files changed, 372 insertions(+), 353 deletions(-)
create mode 100644 target/mips/internal.h
diff --git a/target/mips/cpu.h b/target/mips/cpu.h
index 74f6a5b098..2f81e0f950 100644
--- a/target/mips/cpu.h
+++ b/target/mips/cpu.h
@@ -1,8 +1,6 @@
#ifndef MIPS_CPU_H
#define MIPS_CPU_H
-//#define DEBUG_OP
-
#define ALIGNED_ONLY
#define CPUArchState struct CPUMIPSState
@@ -15,56 +13,11 @@
struct CPUMIPSState;
-typedef struct r4k_tlb_t r4k_tlb_t;
-struct r4k_tlb_t {
- target_ulong VPN;
- uint32_t PageMask;
- uint16_t ASID;
- unsigned int G:1;
- unsigned int C0:3;
- unsigned int C1:3;
- unsigned int V0:1;
- unsigned int V1:1;
- unsigned int D0:1;
- unsigned int D1:1;
- unsigned int XI0:1;
- unsigned int XI1:1;
- unsigned int RI0:1;
- unsigned int RI1:1;
- unsigned int EHINV:1;
- uint64_t PFN[2];
-};
-
-#if !defined(CONFIG_USER_ONLY)
typedef struct CPUMIPSTLBContext CPUMIPSTLBContext;
-struct CPUMIPSTLBContext {
- uint32_t nb_tlb;
- uint32_t tlb_in_use;
- int (*map_address) (struct CPUMIPSState *env, hwaddr *physical, int *prot,
target_ulong address, int rw, int access_type);
- void (*helper_tlbwi)(struct CPUMIPSState *env);
- void (*helper_tlbwr)(struct CPUMIPSState *env);
- void (*helper_tlbp)(struct CPUMIPSState *env);
- void (*helper_tlbr)(struct CPUMIPSState *env);
- void (*helper_tlbinv)(struct CPUMIPSState *env);
- void (*helper_tlbinvf)(struct CPUMIPSState *env);
- union {
- struct {
- r4k_tlb_t tlb[MIPS_TLB_MAX];
- } r4k;
- } mmu;
-};
-#endif
/* MSA Context */
#define MSA_WRLEN (128)
-enum CPUMIPSMSADataFormat {
- DF_BYTE = 0,
- DF_HALF,
- DF_WORD,
- DF_DOUBLE
-};
-
typedef union wr_t wr_t;
union wr_t {
int8_t b[MSA_WRLEN/8];
@@ -682,40 +635,6 @@ static inline MIPSCPU *mips_env_get_cpu(CPUMIPSState *env)
#define ENV_OFFSET offsetof(MIPSCPU, env)
-#ifndef CONFIG_USER_ONLY
-extern const struct VMStateDescription vmstate_mips_cpu;
-#endif
-
-void mips_cpu_do_interrupt(CPUState *cpu);
-bool mips_cpu_exec_interrupt(CPUState *cpu, int int_req);
-void mips_cpu_dump_state(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf,
- int flags);
-hwaddr mips_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
-int mips_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
-int mips_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
-void mips_cpu_do_unaligned_access(CPUState *cpu, vaddr addr,
- MMUAccessType access_type,
- int mmu_idx, uintptr_t retaddr);
-
-#if !defined(CONFIG_USER_ONLY)
-int no_mmu_map_address (CPUMIPSState *env, hwaddr *physical, int *prot,
- target_ulong address, int rw, int access_type);
-int fixed_mmu_map_address (CPUMIPSState *env, hwaddr *physical, int *prot,
- target_ulong address, int rw, int access_type);
-int r4k_map_address (CPUMIPSState *env, hwaddr *physical, int *prot,
- target_ulong address, int rw, int access_type);
-void r4k_helper_tlbwi(CPUMIPSState *env);
-void r4k_helper_tlbwr(CPUMIPSState *env);
-void r4k_helper_tlbp(CPUMIPSState *env);
-void r4k_helper_tlbr(CPUMIPSState *env);
-void r4k_helper_tlbinv(CPUMIPSState *env);
-void r4k_helper_tlbinvf(CPUMIPSState *env);
-
-void mips_cpu_unassigned_access(CPUState *cpu, hwaddr addr,
- bool is_write, bool is_exec, int unused,
- unsigned size);
-#endif
-
void mips_cpu_list (FILE *f, fprintf_function cpu_fprintf);
#define cpu_signal_handler cpu_mips_signal_handler
@@ -746,42 +665,6 @@ static inline int cpu_mmu_index (CPUMIPSState *env, bool
ifetch)
return hflags_mmu_index(env->hflags);
}
-static inline bool cpu_mips_hw_interrupts_enabled(CPUMIPSState *env)
-{
- return (env->CP0_Status & (1 << CP0St_IE)) &&
- !(env->CP0_Status & (1 << CP0St_EXL)) &&
- !(env->CP0_Status & (1 << CP0St_ERL)) &&
- !(env->hflags & MIPS_HFLAG_DM) &&
- /* Note that the TCStatus IXMT field is initialized to zero,
- and only MT capable cores can set it to one. So we don't
- need to check for MT capabilities here. */
- !(env->active_tc.CP0_TCStatus & (1 << CP0TCSt_IXMT));
-}
-
-/* Check if there is pending and not masked out interrupt */
-static inline bool cpu_mips_hw_interrupts_pending(CPUMIPSState *env)
-{
- int32_t pending;
- int32_t status;
- bool r;
-
- pending = env->CP0_Cause & CP0Ca_IP_mask;
- status = env->CP0_Status & CP0Ca_IP_mask;
-
- if (env->CP0_Config3 & (1 << CP0C3_VEIC)) {
- /* A MIPS configured with a vectorizing external interrupt controller
- will feed a vector into the Cause pending lines. The core treats
- the status lines as a vector level, not as indiviual masks. */
- r = pending > status;
- } else {
- /* A MIPS configured with compatibility or VInt (Vectored Interrupts)
- treats the pending lines as individual interrupt lines, the status
- lines are individual masks. */
- r = (pending & status) != 0;
- }
- return r;
-}
-
#include "exec/cpu-all.h"
/* Memory access type :
@@ -847,14 +730,13 @@ enum {
#define EXCP_SC 0x100
/*
- * This is an interrnally generated WAKE request line.
+ * This is an internally generated WAKE request line.
* It is driven by the CPU itself. Raised when the MT
* block wants to wake a VPE from an inactive state and
* cleared when VPE goes from active to inactive.
*/
#define CPU_INTERRUPT_WAKE CPU_INTERRUPT_TGT_INT_0
-void mips_tcg_init(void);
MIPSCPU *cpu_mips_init(const char *cpu_model);
int cpu_mips_signal_handler(int host_signum, void *pinfo, void *puc);
@@ -863,84 +745,18 @@ bool cpu_supports_cps_smp(const char *cpu_model);
bool cpu_supports_isa(const char *cpu_model, unsigned int isa);
void cpu_set_exception_base(int vp_index, target_ulong address);
-/* TODO QOM'ify CPU reset and remove */
-void cpu_state_reset(CPUMIPSState *s);
-
-/* mips_timer.c */
-uint32_t cpu_mips_get_random (CPUMIPSState *env);
-uint32_t cpu_mips_get_count (CPUMIPSState *env);
-void cpu_mips_store_count (CPUMIPSState *env, uint32_t value);
-void cpu_mips_store_compare (CPUMIPSState *env, uint32_t value);
-void cpu_mips_start_count(CPUMIPSState *env);
-void cpu_mips_stop_count(CPUMIPSState *env);
-
/* mips_int.c */
void cpu_mips_soft_irq(CPUMIPSState *env, int irq, int level);
/* helper.c */
-int mips_cpu_handle_mmu_fault(CPUState *cpu, vaddr address, int rw,
- int mmu_idx);
-
-/* op_helper.c */
-uint32_t float_class_s(uint32_t arg, float_status *fst);
-uint64_t float_class_d(uint64_t arg, float_status *fst);
-
-#if !defined(CONFIG_USER_ONLY)
-void r4k_invalidate_tlb (CPUMIPSState *env, int idx, int use_extra);
-hwaddr cpu_mips_translate_address (CPUMIPSState *env, target_ulong address,
- int rw);
-#endif
target_ulong exception_resume_pc (CPUMIPSState *env);
-/* op_helper.c */
-extern unsigned int ieee_rm[];
-int ieee_ex_to_mips(int xcpt);
-
-static inline void restore_rounding_mode(CPUMIPSState *env)
-{
- set_float_rounding_mode(ieee_rm[env->active_fpu.fcr31 & 3],
- &env->active_fpu.fp_status);
-}
-
-static inline void restore_flush_mode(CPUMIPSState *env)
-{
- set_flush_to_zero((env->active_fpu.fcr31 & (1 << FCR31_FS)) != 0,
- &env->active_fpu.fp_status);
-}
-
static inline void restore_snan_bit_mode(CPUMIPSState *env)
{
set_snan_bit_is_one((env->active_fpu.fcr31 & (1 << FCR31_NAN2008)) == 0,
&env->active_fpu.fp_status);
}
-static inline void restore_fp_status(CPUMIPSState *env)
-{
- restore_rounding_mode(env);
- restore_flush_mode(env);
- restore_snan_bit_mode(env);
-}
-
-static inline void restore_msa_fp_status(CPUMIPSState *env)
-{
- float_status *status = &env->active_tc.msa_fp_status;
- int rounding_mode = (env->active_tc.msacsr & MSACSR_RM_MASK) >> MSACSR_RM;
- bool flush_to_zero = (env->active_tc.msacsr & MSACSR_FS_MASK) != 0;
-
- set_float_rounding_mode(ieee_rm[rounding_mode], status);
- set_flush_to_zero(flush_to_zero, status);
- set_flush_inputs_to_zero(flush_to_zero, status);
-}
-
-static inline void restore_pamask(CPUMIPSState *env)
-{
- if (env->hflags & MIPS_HFLAG_ELPA) {
- env->PAMask = (1ULL << env->PABITS) - 1;
- } else {
- env->PAMask = PAMASK_BASE;
- }
-}
-
static inline void cpu_get_tb_cpu_state(CPUMIPSState *env, target_ulong *pc,
target_ulong *cs_base, uint32_t *flags)
{
@@ -950,172 +766,4 @@ static inline void cpu_get_tb_cpu_state(CPUMIPSState
*env, target_ulong *pc,
MIPS_HFLAG_HWRENA_ULR);
}
-static inline int mips_vpe_active(CPUMIPSState *env)
-{
- int active = 1;
-
- /* Check that the VPE is enabled. */
- if (!(env->mvp->CP0_MVPControl & (1 << CP0MVPCo_EVP))) {
- active = 0;
- }
- /* Check that the VPE is activated. */
- if (!(env->CP0_VPEConf0 & (1 << CP0VPEC0_VPA))) {
- active = 0;
- }
-
- /* Now verify that there are active thread contexts in the VPE.
-
- This assumes the CPU model will internally reschedule threads
- if the active one goes to sleep. If there are no threads available
- the active one will be in a sleeping state, and we can turn off
- the entire VPE. */
- if (!(env->active_tc.CP0_TCStatus & (1 << CP0TCSt_A))) {
- /* TC is not activated. */
- active = 0;
- }
- if (env->active_tc.CP0_TCHalt & 1) {
- /* TC is in halt state. */
- active = 0;
- }
-
- return active;
-}
-
-static inline int mips_vp_active(CPUMIPSState *env)
-{
- CPUState *other_cs = first_cpu;
-
- /* Check if the VP disabled other VPs (which means the VP is enabled) */
- if ((env->CP0_VPControl >> CP0VPCtl_DIS) & 1) {
- return 1;
- }
-
- /* Check if the virtual processor is disabled due to a DVP */
- CPU_FOREACH(other_cs) {
- MIPSCPU *other_cpu = MIPS_CPU(other_cs);
- if ((&other_cpu->env != env) &&
- ((other_cpu->env.CP0_VPControl >> CP0VPCtl_DIS) & 1)) {
- return 0;
- }
- }
- return 1;
-}
-
-static inline void compute_hflags(CPUMIPSState *env)
-{
- env->hflags &= ~(MIPS_HFLAG_COP1X | MIPS_HFLAG_64 | MIPS_HFLAG_CP0 |
- MIPS_HFLAG_F64 | MIPS_HFLAG_FPU | MIPS_HFLAG_KSU |
- MIPS_HFLAG_AWRAP | MIPS_HFLAG_DSP | MIPS_HFLAG_DSPR2 |
- MIPS_HFLAG_SBRI | MIPS_HFLAG_MSA | MIPS_HFLAG_FRE |
- MIPS_HFLAG_ELPA | MIPS_HFLAG_ERL);
- if (env->CP0_Status & (1 << CP0St_ERL)) {
- env->hflags |= MIPS_HFLAG_ERL;
- }
- if (!(env->CP0_Status & (1 << CP0St_EXL)) &&
- !(env->CP0_Status & (1 << CP0St_ERL)) &&
- !(env->hflags & MIPS_HFLAG_DM)) {
- env->hflags |= (env->CP0_Status >> CP0St_KSU) & MIPS_HFLAG_KSU;
- }
-#if defined(TARGET_MIPS64)
- if ((env->insn_flags & ISA_MIPS3) &&
- (((env->hflags & MIPS_HFLAG_KSU) != MIPS_HFLAG_UM) ||
- (env->CP0_Status & (1 << CP0St_PX)) ||
- (env->CP0_Status & (1 << CP0St_UX)))) {
- env->hflags |= MIPS_HFLAG_64;
- }
-
- if (!(env->insn_flags & ISA_MIPS3)) {
- env->hflags |= MIPS_HFLAG_AWRAP;
- } else if (((env->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_UM) &&
- !(env->CP0_Status & (1 << CP0St_UX))) {
- env->hflags |= MIPS_HFLAG_AWRAP;
- } else if (env->insn_flags & ISA_MIPS64R6) {
- /* Address wrapping for Supervisor and Kernel is specified in R6 */
- if ((((env->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_SM) &&
- !(env->CP0_Status & (1 << CP0St_SX))) ||
- (((env->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_KM) &&
- !(env->CP0_Status & (1 << CP0St_KX)))) {
- env->hflags |= MIPS_HFLAG_AWRAP;
- }
- }
-#endif
- if (((env->CP0_Status & (1 << CP0St_CU0)) &&
- !(env->insn_flags & ISA_MIPS32R6)) ||
- !(env->hflags & MIPS_HFLAG_KSU)) {
- env->hflags |= MIPS_HFLAG_CP0;
- }
- if (env->CP0_Status & (1 << CP0St_CU1)) {
- env->hflags |= MIPS_HFLAG_FPU;
- }
- if (env->CP0_Status & (1 << CP0St_FR)) {
- env->hflags |= MIPS_HFLAG_F64;
- }
- if (((env->hflags & MIPS_HFLAG_KSU) != MIPS_HFLAG_KM) &&
- (env->CP0_Config5 & (1 << CP0C5_SBRI))) {
- env->hflags |= MIPS_HFLAG_SBRI;
- }
- if (env->insn_flags & ASE_DSPR2) {
- /* Enables access MIPS DSP resources, now our cpu is DSP ASER2,
- so enable to access DSPR2 resources. */
- if (env->CP0_Status & (1 << CP0St_MX)) {
- env->hflags |= MIPS_HFLAG_DSP | MIPS_HFLAG_DSPR2;
- }
-
- } else if (env->insn_flags & ASE_DSP) {
- /* Enables access MIPS DSP resources, now our cpu is DSP ASE,
- so enable to access DSP resources. */
- if (env->CP0_Status & (1 << CP0St_MX)) {
- env->hflags |= MIPS_HFLAG_DSP;
- }
-
- }
- if (env->insn_flags & ISA_MIPS32R2) {
- if (env->active_fpu.fcr0 & (1 << FCR0_F64)) {
- env->hflags |= MIPS_HFLAG_COP1X;
- }
- } else if (env->insn_flags & ISA_MIPS32) {
- if (env->hflags & MIPS_HFLAG_64) {
- env->hflags |= MIPS_HFLAG_COP1X;
- }
- } else if (env->insn_flags & ISA_MIPS4) {
- /* All supported MIPS IV CPUs use the XX (CU3) to enable
- and disable the MIPS IV extensions to the MIPS III ISA.
- Some other MIPS IV CPUs ignore the bit, so the check here
- would be too restrictive for them. */
- if (env->CP0_Status & (1U << CP0St_CU3)) {
- env->hflags |= MIPS_HFLAG_COP1X;
- }
- }
- if (env->insn_flags & ASE_MSA) {
- if (env->CP0_Config5 & (1 << CP0C5_MSAEn)) {
- env->hflags |= MIPS_HFLAG_MSA;
- }
- }
- if (env->active_fpu.fcr0 & (1 << FCR0_FREP)) {
- if (env->CP0_Config5 & (1 << CP0C5_FRE)) {
- env->hflags |= MIPS_HFLAG_FRE;
- }
- }
- if (env->CP0_Config3 & (1 << CP0C3_LPA)) {
- if (env->CP0_PageGrain & (1 << CP0PG_ELPA)) {
- env->hflags |= MIPS_HFLAG_ELPA;
- }
- }
-}
-
-void cpu_mips_tlb_flush(CPUMIPSState *env);
-void sync_c0_status(CPUMIPSState *env, CPUMIPSState *cpu, int tc);
-void cpu_mips_store_status(CPUMIPSState *env, target_ulong val);
-void cpu_mips_store_cause(CPUMIPSState *env, target_ulong val);
-
-void QEMU_NORETURN do_raise_exception_err(CPUMIPSState *env, uint32_t
exception,
- int error_code, uintptr_t pc);
-
-static inline void QEMU_NORETURN do_raise_exception(CPUMIPSState *env,
- uint32_t exception,
- uintptr_t pc)
-{
- do_raise_exception_err(env, exception, 0, pc);
-}
-
#endif /* MIPS_CPU_H */
diff --git a/target/mips/internal.h b/target/mips/internal.h
new file mode 100644
index 0000000000..91c2df4537
--- /dev/null
+++ b/target/mips/internal.h
@@ -0,0 +1,362 @@
+/* mips internal definitions and helpers
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef MIPS_INTERNAL_H
+#define MIPS_INTERNAL_H
+
+enum CPUMIPSMSADataFormat {
+ DF_BYTE = 0,
+ DF_HALF,
+ DF_WORD,
+ DF_DOUBLE
+};
+
+void mips_cpu_do_interrupt(CPUState *cpu);
+bool mips_cpu_exec_interrupt(CPUState *cpu, int int_req);
+void mips_cpu_dump_state(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf,
+ int flags);
+hwaddr mips_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
+int mips_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
+int mips_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
+void mips_cpu_do_unaligned_access(CPUState *cpu, vaddr addr,
+ MMUAccessType access_type,
+ int mmu_idx, uintptr_t retaddr);
+
+#if !defined(CONFIG_USER_ONLY)
+
+typedef struct r4k_tlb_t r4k_tlb_t;
+struct r4k_tlb_t {
+ target_ulong VPN;
+ uint32_t PageMask;
+ uint16_t ASID;
+ unsigned int G:1;
+ unsigned int C0:3;
+ unsigned int C1:3;
+ unsigned int V0:1;
+ unsigned int V1:1;
+ unsigned int D0:1;
+ unsigned int D1:1;
+ unsigned int XI0:1;
+ unsigned int XI1:1;
+ unsigned int RI0:1;
+ unsigned int RI1:1;
+ unsigned int EHINV:1;
+ uint64_t PFN[2];
+};
+
+struct CPUMIPSTLBContext {
+ uint32_t nb_tlb;
+ uint32_t tlb_in_use;
+ int (*map_address)(struct CPUMIPSState *env, hwaddr *physical, int *prot,
+ target_ulong address, int rw, int access_type);
+ void (*helper_tlbwi)(struct CPUMIPSState *env);
+ void (*helper_tlbwr)(struct CPUMIPSState *env);
+ void (*helper_tlbp)(struct CPUMIPSState *env);
+ void (*helper_tlbr)(struct CPUMIPSState *env);
+ void (*helper_tlbinv)(struct CPUMIPSState *env);
+ void (*helper_tlbinvf)(struct CPUMIPSState *env);
+ union {
+ struct {
+ r4k_tlb_t tlb[MIPS_TLB_MAX];
+ } r4k;
+ } mmu;
+};
+
+int no_mmu_map_address(CPUMIPSState *env, hwaddr *physical, int *prot,
+ target_ulong address, int rw, int access_type);
+int fixed_mmu_map_address(CPUMIPSState *env, hwaddr *physical, int *prot,
+ target_ulong address, int rw, int access_type);
+int r4k_map_address(CPUMIPSState *env, hwaddr *physical, int *prot,
+ target_ulong address, int rw, int access_type);
+void r4k_helper_tlbwi(CPUMIPSState *env);
+void r4k_helper_tlbwr(CPUMIPSState *env);
+void r4k_helper_tlbp(CPUMIPSState *env);
+void r4k_helper_tlbr(CPUMIPSState *env);
+void r4k_helper_tlbinv(CPUMIPSState *env);
+void r4k_helper_tlbinvf(CPUMIPSState *env);
+void r4k_invalidate_tlb(CPUMIPSState *env, int idx, int use_extra);
+
+void mips_cpu_unassigned_access(CPUState *cpu, hwaddr addr,
+ bool is_write, bool is_exec, int unused,
+ unsigned size);
+hwaddr cpu_mips_translate_address(CPUMIPSState *env, target_ulong address,
+ int rw);
+#endif
+
+#define cpu_signal_handler cpu_mips_signal_handler
+
+#ifndef CONFIG_USER_ONLY
+extern const struct VMStateDescription vmstate_mips_cpu;
+#endif
+
+static inline bool cpu_mips_hw_interrupts_enabled(CPUMIPSState *env)
+{
+ return (env->CP0_Status & (1 << CP0St_IE)) &&
+ !(env->CP0_Status & (1 << CP0St_EXL)) &&
+ !(env->CP0_Status & (1 << CP0St_ERL)) &&
+ !(env->hflags & MIPS_HFLAG_DM) &&
+ /* Note that the TCStatus IXMT field is initialized to zero,
+ and only MT capable cores can set it to one. So we don't
+ need to check for MT capabilities here. */
+ !(env->active_tc.CP0_TCStatus & (1 << CP0TCSt_IXMT));
+}
+
+/* Check if there is pending and not masked out interrupt */
+static inline bool cpu_mips_hw_interrupts_pending(CPUMIPSState *env)
+{
+ int32_t pending;
+ int32_t status;
+ bool r;
+
+ pending = env->CP0_Cause & CP0Ca_IP_mask;
+ status = env->CP0_Status & CP0Ca_IP_mask;
+
+ if (env->CP0_Config3 & (1 << CP0C3_VEIC)) {
+ /* A MIPS configured with a vectorizing external interrupt controller
+ will feed a vector into the Cause pending lines. The core treats
+ the status lines as a vector level, not as indiviual masks. */
+ r = pending > status;
+ } else {
+ /* A MIPS configured with compatibility or VInt (Vectored Interrupts)
+ treats the pending lines as individual interrupt lines, the status
+ lines are individual masks. */
+ r = (pending & status) != 0;
+ }
+ return r;
+}
+
+void mips_tcg_init(void);
+
+/* TODO QOM'ify CPU reset and remove */
+void cpu_state_reset(CPUMIPSState *s);
+
+/* cp0_timer.c */
+uint32_t cpu_mips_get_random(CPUMIPSState *env);
+uint32_t cpu_mips_get_count(CPUMIPSState *env);
+void cpu_mips_store_count(CPUMIPSState *env, uint32_t value);
+void cpu_mips_store_compare(CPUMIPSState *env, uint32_t value);
+void cpu_mips_start_count(CPUMIPSState *env);
+void cpu_mips_stop_count(CPUMIPSState *env);
+
+/* helper.c */
+int mips_cpu_handle_mmu_fault(CPUState *cpu, vaddr address, int rw,
+ int mmu_idx);
+
+/* op_helper.c */
+uint32_t float_class_s(uint32_t arg, float_status *fst);
+uint64_t float_class_d(uint64_t arg, float_status *fst);
+
+extern unsigned int ieee_rm[];
+int ieee_ex_to_mips(int xcpt);
+
+static inline void restore_rounding_mode(CPUMIPSState *env)
+{
+ set_float_rounding_mode(ieee_rm[env->active_fpu.fcr31 & 3],
+ &env->active_fpu.fp_status);
+}
+
+static inline void restore_flush_mode(CPUMIPSState *env)
+{
+ set_flush_to_zero((env->active_fpu.fcr31 & (1 << FCR31_FS)) != 0,
+ &env->active_fpu.fp_status);
+}
+
+static inline void restore_fp_status(CPUMIPSState *env)
+{
+ restore_rounding_mode(env);
+ restore_flush_mode(env);
+ restore_snan_bit_mode(env);
+}
+
+static inline void restore_msa_fp_status(CPUMIPSState *env)
+{
+ float_status *status = &env->active_tc.msa_fp_status;
+ int rounding_mode = (env->active_tc.msacsr & MSACSR_RM_MASK) >> MSACSR_RM;
+ bool flush_to_zero = (env->active_tc.msacsr & MSACSR_FS_MASK) != 0;
+
+ set_float_rounding_mode(ieee_rm[rounding_mode], status);
+ set_flush_to_zero(flush_to_zero, status);
+ set_flush_inputs_to_zero(flush_to_zero, status);
+}
+
+static inline void restore_pamask(CPUMIPSState *env)
+{
+ if (env->hflags & MIPS_HFLAG_ELPA) {
+ env->PAMask = (1ULL << env->PABITS) - 1;
+ } else {
+ env->PAMask = PAMASK_BASE;
+ }
+}
+
+static inline int mips_vpe_active(CPUMIPSState *env)
+{
+ int active = 1;
+
+ /* Check that the VPE is enabled. */
+ if (!(env->mvp->CP0_MVPControl & (1 << CP0MVPCo_EVP))) {
+ active = 0;
+ }
+ /* Check that the VPE is activated. */
+ if (!(env->CP0_VPEConf0 & (1 << CP0VPEC0_VPA))) {
+ active = 0;
+ }
+
+ /* Now verify that there are active thread contexts in the VPE.
+
+ This assumes the CPU model will internally reschedule threads
+ if the active one goes to sleep. If there are no threads available
+ the active one will be in a sleeping state, and we can turn off
+ the entire VPE. */
+ if (!(env->active_tc.CP0_TCStatus & (1 << CP0TCSt_A))) {
+ /* TC is not activated. */
+ active = 0;
+ }
+ if (env->active_tc.CP0_TCHalt & 1) {
+ /* TC is in halt state. */
+ active = 0;
+ }
+
+ return active;
+}
+
+static inline int mips_vp_active(CPUMIPSState *env)
+{
+ CPUState *other_cs = first_cpu;
+
+ /* Check if the VP disabled other VPs (which means the VP is enabled) */
+ if ((env->CP0_VPControl >> CP0VPCtl_DIS) & 1) {
+ return 1;
+ }
+
+ /* Check if the virtual processor is disabled due to a DVP */
+ CPU_FOREACH(other_cs) {
+ MIPSCPU *other_cpu = MIPS_CPU(other_cs);
+ if ((&other_cpu->env != env) &&
+ ((other_cpu->env.CP0_VPControl >> CP0VPCtl_DIS) & 1)) {
+ return 0;
+ }
+ }
+ return 1;
+}
+
+static inline void compute_hflags(CPUMIPSState *env)
+{
+ env->hflags &= ~(MIPS_HFLAG_COP1X | MIPS_HFLAG_64 | MIPS_HFLAG_CP0 |
+ MIPS_HFLAG_F64 | MIPS_HFLAG_FPU | MIPS_HFLAG_KSU |
+ MIPS_HFLAG_AWRAP | MIPS_HFLAG_DSP | MIPS_HFLAG_DSPR2 |
+ MIPS_HFLAG_SBRI | MIPS_HFLAG_MSA | MIPS_HFLAG_FRE |
+ MIPS_HFLAG_ELPA | MIPS_HFLAG_ERL);
+ if (env->CP0_Status & (1 << CP0St_ERL)) {
+ env->hflags |= MIPS_HFLAG_ERL;
+ }
+ if (!(env->CP0_Status & (1 << CP0St_EXL)) &&
+ !(env->CP0_Status & (1 << CP0St_ERL)) &&
+ !(env->hflags & MIPS_HFLAG_DM)) {
+ env->hflags |= (env->CP0_Status >> CP0St_KSU) & MIPS_HFLAG_KSU;
+ }
+#if defined(TARGET_MIPS64)
+ if ((env->insn_flags & ISA_MIPS3) &&
+ (((env->hflags & MIPS_HFLAG_KSU) != MIPS_HFLAG_UM) ||
+ (env->CP0_Status & (1 << CP0St_PX)) ||
+ (env->CP0_Status & (1 << CP0St_UX)))) {
+ env->hflags |= MIPS_HFLAG_64;
+ }
+
+ if (!(env->insn_flags & ISA_MIPS3)) {
+ env->hflags |= MIPS_HFLAG_AWRAP;
+ } else if (((env->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_UM) &&
+ !(env->CP0_Status & (1 << CP0St_UX))) {
+ env->hflags |= MIPS_HFLAG_AWRAP;
+ } else if (env->insn_flags & ISA_MIPS64R6) {
+ /* Address wrapping for Supervisor and Kernel is specified in R6 */
+ if ((((env->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_SM) &&
+ !(env->CP0_Status & (1 << CP0St_SX))) ||
+ (((env->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_KM) &&
+ !(env->CP0_Status & (1 << CP0St_KX)))) {
+ env->hflags |= MIPS_HFLAG_AWRAP;
+ }
+ }
+#endif
+ if (((env->CP0_Status & (1 << CP0St_CU0)) &&
+ !(env->insn_flags & ISA_MIPS32R6)) ||
+ !(env->hflags & MIPS_HFLAG_KSU)) {
+ env->hflags |= MIPS_HFLAG_CP0;
+ }
+ if (env->CP0_Status & (1 << CP0St_CU1)) {
+ env->hflags |= MIPS_HFLAG_FPU;
+ }
+ if (env->CP0_Status & (1 << CP0St_FR)) {
+ env->hflags |= MIPS_HFLAG_F64;
+ }
+ if (((env->hflags & MIPS_HFLAG_KSU) != MIPS_HFLAG_KM) &&
+ (env->CP0_Config5 & (1 << CP0C5_SBRI))) {
+ env->hflags |= MIPS_HFLAG_SBRI;
+ }
+ if (env->insn_flags & ASE_DSPR2) {
+ /* Enables access MIPS DSP resources, now our cpu is DSP ASER2,
+ so enable to access DSPR2 resources. */
+ if (env->CP0_Status & (1 << CP0St_MX)) {
+ env->hflags |= MIPS_HFLAG_DSP | MIPS_HFLAG_DSPR2;
+ }
+
+ } else if (env->insn_flags & ASE_DSP) {
+ /* Enables access MIPS DSP resources, now our cpu is DSP ASE,
+ so enable to access DSP resources. */
+ if (env->CP0_Status & (1 << CP0St_MX)) {
+ env->hflags |= MIPS_HFLAG_DSP;
+ }
+
+ }
+ if (env->insn_flags & ISA_MIPS32R2) {
+ if (env->active_fpu.fcr0 & (1 << FCR0_F64)) {
+ env->hflags |= MIPS_HFLAG_COP1X;
+ }
+ } else if (env->insn_flags & ISA_MIPS32) {
+ if (env->hflags & MIPS_HFLAG_64) {
+ env->hflags |= MIPS_HFLAG_COP1X;
+ }
+ } else if (env->insn_flags & ISA_MIPS4) {
+ /* All supported MIPS IV CPUs use the XX (CU3) to enable
+ and disable the MIPS IV extensions to the MIPS III ISA.
+ Some other MIPS IV CPUs ignore the bit, so the check here
+ would be too restrictive for them. */
+ if (env->CP0_Status & (1U << CP0St_CU3)) {
+ env->hflags |= MIPS_HFLAG_COP1X;
+ }
+ }
+ if (env->insn_flags & ASE_MSA) {
+ if (env->CP0_Config5 & (1 << CP0C5_MSAEn)) {
+ env->hflags |= MIPS_HFLAG_MSA;
+ }
+ }
+ if (env->active_fpu.fcr0 & (1 << FCR0_FREP)) {
+ if (env->CP0_Config5 & (1 << CP0C5_FRE)) {
+ env->hflags |= MIPS_HFLAG_FRE;
+ }
+ }
+ if (env->CP0_Config3 & (1 << CP0C3_LPA)) {
+ if (env->CP0_PageGrain & (1 << CP0PG_ELPA)) {
+ env->hflags |= MIPS_HFLAG_ELPA;
+ }
+ }
+}
+
+void cpu_mips_tlb_flush(CPUMIPSState *env);
+void sync_c0_status(CPUMIPSState *env, CPUMIPSState *cpu, int tc);
+void cpu_mips_store_status(CPUMIPSState *env, target_ulong val);
+void cpu_mips_store_cause(CPUMIPSState *env, target_ulong val);
+
+void QEMU_NORETURN do_raise_exception_err(CPUMIPSState *env, uint32_t
exception,
+ int error_code, uintptr_t pc);
+
+static inline void QEMU_NORETURN do_raise_exception(CPUMIPSState *env,
+ uint32_t exception,
+ uintptr_t pc)
+{
+ do_raise_exception_err(env, exception, 0, pc);
+}
+
+#endif
diff --git a/target/mips/cp0_timer.c b/target/mips/cp0_timer.c
index a9a58c5604..f4716395df 100644
--- a/target/mips/cp0_timer.c
+++ b/target/mips/cp0_timer.c
@@ -24,6 +24,7 @@
#include "hw/mips/cpudevs.h"
#include "qemu/timer.h"
#include "sysemu/kvm.h"
+#include "internal.h"
#define TIMER_PERIOD 10 /* 10 ns period for 100 Mhz frequency */
diff --git a/target/mips/cpu.c b/target/mips/cpu.c
index 1bb66b7a5a..68bf423e9d 100644
--- a/target/mips/cpu.c
+++ b/target/mips/cpu.c
@@ -21,6 +21,7 @@
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "cpu.h"
+#include "internal.h"
#include "kvm_mips.h"
#include "qemu-common.h"
#include "sysemu/kvm.h"
diff --git a/target/mips/gdbstub.c b/target/mips/gdbstub.c
index 7c682289c2..6d1fb70f2c 100644
--- a/target/mips/gdbstub.c
+++ b/target/mips/gdbstub.c
@@ -20,6 +20,7 @@
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "cpu.h"
+#include "internal.h"
#include "exec/gdbstub.h"
int mips_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n)
diff --git a/target/mips/helper.c b/target/mips/helper.c
index ca39aca08a..ea076261af 100644
--- a/target/mips/helper.c
+++ b/target/mips/helper.c
@@ -19,6 +19,7 @@
#include "qemu/osdep.h"
#include "cpu.h"
+#include "internal.h"
#include "exec/exec-all.h"
#include "exec/cpu_ldst.h"
#include "exec/log.h"
diff --git a/target/mips/kvm.c b/target/mips/kvm.c
index 3b7b1d962a..8e72850962 100644
--- a/target/mips/kvm.c
+++ b/target/mips/kvm.c
@@ -16,6 +16,7 @@
#include "qemu-common.h"
#include "cpu.h"
+#include "internal.h"
#include "qemu/error-report.h"
#include "qemu/timer.h"
#include "sysemu/sysemu.h"
diff --git a/target/mips/machine.c b/target/mips/machine.c
index 898825de3b..20100d5adb 100644
--- a/target/mips/machine.c
+++ b/target/mips/machine.c
@@ -1,6 +1,7 @@
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "cpu.h"
+#include "internal.h"
#include "hw/hw.h"
#include "migration/cpu.h"
diff --git a/target/mips/msa_helper.c b/target/mips/msa_helper.c
index 1fdb0d9792..f167a42655 100644
--- a/target/mips/msa_helper.c
+++ b/target/mips/msa_helper.c
@@ -19,6 +19,7 @@
#include "qemu/osdep.h"
#include "cpu.h"
+#include "internal.h"
#include "exec/exec-all.h"
#include "exec/helper-proto.h"
diff --git a/target/mips/op_helper.c b/target/mips/op_helper.c
index 320f2b0dc4..e537a8bfd8 100644
--- a/target/mips/op_helper.c
+++ b/target/mips/op_helper.c
@@ -19,6 +19,7 @@
#include "qemu/osdep.h"
#include "qemu/main-loop.h"
#include "cpu.h"
+#include "internal.h"
#include "qemu/host-utils.h"
#include "exec/helper-proto.h"
#include "exec/exec-all.h"
diff --git a/target/mips/translate.c b/target/mips/translate.c
index c78d27294c..f0febaf1b2 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -23,6 +23,7 @@
#include "qemu/osdep.h"
#include "cpu.h"
+#include "internal.h"
#include "disas/disas.h"
#include "exec/exec-all.h"
#include "tcg-op.h"
--
2.14.1
- [Qemu-devel] [PATCH v4 0/6] QOMify MIPS cpu, Philippe Mathieu-Daudé, 2017/09/20
- [Qemu-devel] [PATCH v4 1/6] mips: move hw/mips/cputimer.c to target/mips/, Philippe Mathieu-Daudé, 2017/09/20
- [Qemu-devel] [PATCH v4 3/6] mips: split cpu_mips_realize_env() out of cpu_mips_init(), Philippe Mathieu-Daudé, 2017/09/20
- [Qemu-devel] [PATCH v4 4/6] mips: call cpu_mips_realize_env() from mips_cpu_realizefn(), Philippe Mathieu-Daudé, 2017/09/20
- [Qemu-devel] [PATCH v4 2/6] mips: introduce internal.h and cleanup cpu.h,
Philippe Mathieu-Daudé <=
- [Qemu-devel] [PATCH v4 5/6] mips: MIPSCPU model subclasses, Philippe Mathieu-Daudé, 2017/09/20
- [Qemu-devel] [PATCH v4 6/6] mips: replace cpu_mips_init() with cpu_generic_init(), Philippe Mathieu-Daudé, 2017/09/20
- Re: [Qemu-devel] [PATCH v4 0/6] QOMify MIPS cpu, no-reply, 2017/09/20