| /* |
| * TriCore emulation for qemu: main CPU struct. |
| * |
| * Copyright (c) 2012-2014 Bastian Koppelmann C-Lab/University Paderborn |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #ifndef TRICORE_CPU_H |
| #define TRICORE_CPU_H |
| |
| #include "cpu-qom.h" |
| #include "hw/registerfields.h" |
| #include "exec/cpu-defs.h" |
| #include "qemu/cpu-float.h" |
| #include "tricore-defs.h" |
| |
| typedef struct CPUArchState { |
| /* GPR Register */ |
| uint32_t gpr_a[16]; |
| uint32_t gpr_d[16]; |
| /* CSFR Register */ |
| uint32_t PCXI; |
| /* Frequently accessed PSW_USB bits are stored separately for efficiency. |
| This contains all the other bits. Use psw_{read,write} to access |
| the whole PSW. */ |
| uint32_t PSW; |
| |
| /* PSW flag cache for faster execution |
| */ |
| uint32_t PSW_USB_C; |
| uint32_t PSW_USB_V; /* Only if bit 31 set, then flag is set */ |
| uint32_t PSW_USB_SV; /* Only if bit 31 set, then flag is set */ |
| uint32_t PSW_USB_AV; /* Only if bit 31 set, then flag is set. */ |
| uint32_t PSW_USB_SAV; /* Only if bit 31 set, then flag is set. */ |
| |
| uint32_t PC; |
| uint32_t SYSCON; |
| uint32_t CPU_ID; |
| uint32_t CORE_ID; |
| uint32_t BIV; |
| uint32_t BTV; |
| uint32_t ISP; |
| uint32_t ICR; |
| uint32_t FCX; |
| uint32_t LCX; |
| uint32_t COMPAT; |
| |
| /* Mem Protection Register */ |
| uint32_t DPR0_0L; |
| uint32_t DPR0_0U; |
| uint32_t DPR0_1L; |
| uint32_t DPR0_1U; |
| uint32_t DPR0_2L; |
| uint32_t DPR0_2U; |
| uint32_t DPR0_3L; |
| uint32_t DPR0_3U; |
| |
| uint32_t DPR1_0L; |
| uint32_t DPR1_0U; |
| uint32_t DPR1_1L; |
| uint32_t DPR1_1U; |
| uint32_t DPR1_2L; |
| uint32_t DPR1_2U; |
| uint32_t DPR1_3L; |
| uint32_t DPR1_3U; |
| |
| uint32_t DPR2_0L; |
| uint32_t DPR2_0U; |
| uint32_t DPR2_1L; |
| uint32_t DPR2_1U; |
| uint32_t DPR2_2L; |
| uint32_t DPR2_2U; |
| uint32_t DPR2_3L; |
| uint32_t DPR2_3U; |
| |
| uint32_t DPR3_0L; |
| uint32_t DPR3_0U; |
| uint32_t DPR3_1L; |
| uint32_t DPR3_1U; |
| uint32_t DPR3_2L; |
| uint32_t DPR3_2U; |
| uint32_t DPR3_3L; |
| uint32_t DPR3_3U; |
| |
| uint32_t CPR0_0L; |
| uint32_t CPR0_0U; |
| uint32_t CPR0_1L; |
| uint32_t CPR0_1U; |
| uint32_t CPR0_2L; |
| uint32_t CPR0_2U; |
| uint32_t CPR0_3L; |
| uint32_t CPR0_3U; |
| |
| uint32_t CPR1_0L; |
| uint32_t CPR1_0U; |
| uint32_t CPR1_1L; |
| uint32_t CPR1_1U; |
| uint32_t CPR1_2L; |
| uint32_t CPR1_2U; |
| uint32_t CPR1_3L; |
| uint32_t CPR1_3U; |
| |
| uint32_t CPR2_0L; |
| uint32_t CPR2_0U; |
| uint32_t CPR2_1L; |
| uint32_t CPR2_1U; |
| uint32_t CPR2_2L; |
| uint32_t CPR2_2U; |
| uint32_t CPR2_3L; |
| uint32_t CPR2_3U; |
| |
| uint32_t CPR3_0L; |
| uint32_t CPR3_0U; |
| uint32_t CPR3_1L; |
| uint32_t CPR3_1U; |
| uint32_t CPR3_2L; |
| uint32_t CPR3_2U; |
| uint32_t CPR3_3L; |
| uint32_t CPR3_3U; |
| |
| uint32_t DPM0; |
| uint32_t DPM1; |
| uint32_t DPM2; |
| uint32_t DPM3; |
| |
| uint32_t CPM0; |
| uint32_t CPM1; |
| uint32_t CPM2; |
| uint32_t CPM3; |
| |
| /* Memory Management Registers */ |
| uint32_t MMU_CON; |
| uint32_t MMU_ASI; |
| uint32_t MMU_TVA; |
| uint32_t MMU_TPA; |
| uint32_t MMU_TPX; |
| uint32_t MMU_TFA; |
| /* {1.3.1 only */ |
| uint32_t BMACON; |
| uint32_t SMACON; |
| uint32_t DIEAR; |
| uint32_t DIETR; |
| uint32_t CCDIER; |
| uint32_t MIECON; |
| uint32_t PIEAR; |
| uint32_t PIETR; |
| uint32_t CCPIER; |
| /*} */ |
| /* Debug Registers */ |
| uint32_t DBGSR; |
| uint32_t EXEVT; |
| uint32_t CREVT; |
| uint32_t SWEVT; |
| uint32_t TR0EVT; |
| uint32_t TR1EVT; |
| uint32_t DMS; |
| uint32_t DCX; |
| uint32_t DBGTCR; |
| uint32_t CCTRL; |
| uint32_t CCNT; |
| uint32_t ICNT; |
| uint32_t M1CNT; |
| uint32_t M2CNT; |
| uint32_t M3CNT; |
| /* Floating Point Registers */ |
| float_status fp_status; |
| |
| /* Internal CPU feature flags. */ |
| uint64_t features; |
| } CPUTriCoreState; |
| |
| /** |
| * TriCoreCPU: |
| * @env: #CPUTriCoreState |
| * |
| * A TriCore CPU. |
| */ |
| struct ArchCPU { |
| /*< private >*/ |
| CPUState parent_obj; |
| /*< public >*/ |
| |
| CPUNegativeOffsetState neg; |
| CPUTriCoreState env; |
| }; |
| |
| |
| hwaddr tricore_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); |
| void tricore_cpu_dump_state(CPUState *cpu, FILE *f, int flags); |
| |
| FIELD(PCXI, PCPN_13, 24, 8) |
| FIELD(PCXI, PCPN_161, 22, 8) |
| FIELD(PCXI, PIE_13, 23, 1) |
| FIELD(PCXI, PIE_161, 21, 1) |
| FIELD(PCXI, UL_13, 22, 1) |
| FIELD(PCXI, UL_161, 20, 1) |
| FIELD(PCXI, PCXS, 16, 4) |
| FIELD(PCXI, PCXO, 0, 16) |
| uint32_t pcxi_get_ul(CPUTriCoreState *env); |
| uint32_t pcxi_get_pie(CPUTriCoreState *env); |
| uint32_t pcxi_get_pcpn(CPUTriCoreState *env); |
| uint32_t pcxi_get_pcxs(CPUTriCoreState *env); |
| uint32_t pcxi_get_pcxo(CPUTriCoreState *env); |
| void pcxi_set_ul(CPUTriCoreState *env, uint32_t val); |
| void pcxi_set_pie(CPUTriCoreState *env, uint32_t val); |
| void pcxi_set_pcpn(CPUTriCoreState *env, uint32_t val); |
| |
| FIELD(ICR, IE_161, 15, 1) |
| FIELD(ICR, IE_13, 8, 1) |
| FIELD(ICR, PIPN, 16, 8) |
| FIELD(ICR, CCPN, 0, 8) |
| |
| uint32_t icr_get_ie(CPUTriCoreState *env); |
| uint32_t icr_get_ccpn(CPUTriCoreState *env); |
| |
| void icr_set_ccpn(CPUTriCoreState *env, uint32_t val); |
| void icr_set_ie(CPUTriCoreState *env, uint32_t val); |
| |
| #define MASK_PSW_USB 0xff000000 |
| #define MASK_USB_C 0x80000000 |
| #define MASK_USB_V 0x40000000 |
| #define MASK_USB_SV 0x20000000 |
| #define MASK_USB_AV 0x10000000 |
| #define MASK_USB_SAV 0x08000000 |
| #define MASK_PSW_PRS 0x00003000 |
| #define MASK_PSW_IO 0x00000c00 |
| #define MASK_PSW_IS 0x00000200 |
| #define MASK_PSW_GW 0x00000100 |
| #define MASK_PSW_CDE 0x00000080 |
| #define MASK_PSW_CDC 0x0000007f |
| #define MASK_PSW_FPU_RM 0x3000000 |
| |
| #define MASK_SYSCON_PRO_TEN 0x2 |
| #define MASK_SYSCON_FCD_SF 0x1 |
| |
| #define MASK_CPUID_MOD 0xffff0000 |
| #define MASK_CPUID_MOD_32B 0x0000ff00 |
| #define MASK_CPUID_REV 0x000000ff |
| |
| |
| #define MASK_FCX_FCXS 0x000f0000 |
| #define MASK_FCX_FCXO 0x0000ffff |
| |
| #define MASK_LCX_LCXS 0x000f0000 |
| #define MASK_LCX_LCX0 0x0000ffff |
| |
| #define MASK_DBGSR_DE 0x1 |
| #define MASK_DBGSR_HALT 0x6 |
| #define MASK_DBGSR_SUSP 0x10 |
| #define MASK_DBGSR_PREVSUSP 0x20 |
| #define MASK_DBGSR_PEVT 0x40 |
| #define MASK_DBGSR_EVTSRC 0x1f00 |
| |
| enum tricore_priv_levels { |
| TRICORE_PRIV_UM0 = 0x0, /* user mode-0 flag */ |
| TRICORE_PRIV_UM1 = 0x1, /* user mode-1 flag */ |
| TRICORE_PRIV_SM = 0x2, /* kernel mode flag */ |
| }; |
| |
| enum tricore_features { |
| TRICORE_FEATURE_13, |
| TRICORE_FEATURE_131, |
| TRICORE_FEATURE_16, |
| TRICORE_FEATURE_161, |
| TRICORE_FEATURE_162, |
| }; |
| |
| static inline int tricore_has_feature(CPUTriCoreState *env, int feature) |
| { |
| return (env->features & (1ULL << feature)) != 0; |
| } |
| |
| /* TriCore Traps Classes*/ |
| enum { |
| TRAPC_NONE = -1, |
| TRAPC_MMU = 0, |
| TRAPC_PROT = 1, |
| TRAPC_INSN_ERR = 2, |
| TRAPC_CTX_MNG = 3, |
| TRAPC_SYSBUS = 4, |
| TRAPC_ASSERT = 5, |
| TRAPC_SYSCALL = 6, |
| TRAPC_NMI = 7, |
| TRAPC_IRQ = 8 |
| }; |
| |
| /* Class 0 TIN */ |
| enum { |
| TIN0_VAF = 0, |
| TIN0_VAP = 1, |
| }; |
| |
| /* Class 1 TIN */ |
| enum { |
| TIN1_PRIV = 1, |
| TIN1_MPR = 2, |
| TIN1_MPW = 3, |
| TIN1_MPX = 4, |
| TIN1_MPP = 5, |
| TIN1_MPN = 6, |
| TIN1_GRWP = 7, |
| }; |
| |
| /* Class 2 TIN */ |
| enum { |
| TIN2_IOPC = 1, |
| TIN2_UOPC = 2, |
| TIN2_OPD = 3, |
| TIN2_ALN = 4, |
| TIN2_MEM = 5, |
| }; |
| |
| /* Class 3 TIN */ |
| enum { |
| TIN3_FCD = 1, |
| TIN3_CDO = 2, |
| TIN3_CDU = 3, |
| TIN3_FCU = 4, |
| TIN3_CSU = 5, |
| TIN3_CTYP = 6, |
| TIN3_NEST = 7, |
| }; |
| |
| /* Class 4 TIN */ |
| enum { |
| TIN4_PSE = 1, |
| TIN4_DSE = 2, |
| TIN4_DAE = 3, |
| TIN4_CAE = 4, |
| TIN4_PIE = 5, |
| TIN4_DIE = 6, |
| }; |
| |
| /* Class 5 TIN */ |
| enum { |
| TIN5_OVF = 1, |
| TIN5_SOVF = 1, |
| }; |
| |
| /* Class 6 TIN |
| * |
| * Is always TIN6_SYS |
| */ |
| |
| /* Class 7 TIN */ |
| enum { |
| TIN7_NMI = 0, |
| }; |
| |
| uint32_t psw_read(CPUTriCoreState *env); |
| void psw_write(CPUTriCoreState *env, uint32_t val); |
| int tricore_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n); |
| int tricore_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n); |
| |
| void fpu_set_state(CPUTriCoreState *env); |
| |
| #define MMU_USER_IDX 2 |
| |
| void tricore_cpu_list(void); |
| |
| #define cpu_list tricore_cpu_list |
| |
| static inline int cpu_mmu_index(CPUTriCoreState *env, bool ifetch) |
| { |
| return 0; |
| } |
| |
| #include "exec/cpu-all.h" |
| |
| FIELD(TB_FLAGS, PRIV, 0, 2) |
| |
| void cpu_state_reset(CPUTriCoreState *s); |
| void tricore_tcg_init(void); |
| |
| static inline void cpu_get_tb_cpu_state(CPUTriCoreState *env, vaddr *pc, |
| uint64_t *cs_base, uint32_t *flags) |
| { |
| uint32_t new_flags = 0; |
| *pc = env->PC; |
| *cs_base = 0; |
| |
| new_flags |= FIELD_DP32(new_flags, TB_FLAGS, PRIV, |
| extract32(env->PSW, 10, 2)); |
| *flags = new_flags; |
| } |
| |
| #define TRICORE_CPU_TYPE_SUFFIX "-" TYPE_TRICORE_CPU |
| #define TRICORE_CPU_TYPE_NAME(model) model TRICORE_CPU_TYPE_SUFFIX |
| #define CPU_RESOLVING_TYPE TYPE_TRICORE_CPU |
| |
| /* helpers.c */ |
| bool tricore_cpu_tlb_fill(CPUState *cs, vaddr address, int size, |
| MMUAccessType access_type, int mmu_idx, |
| bool probe, uintptr_t retaddr); |
| |
| #endif /* TRICORE_CPU_H */ |
