2 * TriCore emulation for qemu: main CPU struct.
4 * Copyright (c) 2012-2014 Bastian Koppelmann C-Lab/University Paderborn
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
23 #include "tricore-defs.h"
24 #include "qemu-common.h"
26 #include "exec/cpu-defs.h"
28 #define CPUArchState struct CPUTriCoreState
30 struct CPUTriCoreState;
32 struct tricore_boot_info;
34 #define NB_MMU_MODES 3
36 typedef struct tricore_def_t tricore_def_t;
38 typedef struct CPUTriCoreState CPUTriCoreState;
39 struct CPUTriCoreState {
45 /* Frequently accessed PSW_USB bits are stored separately for efficiency.
46 This contains all the other bits. Use psw_{read,write} to access
50 /* PSW flag cache for faster execution
53 uint32_t PSW_USB_V; /* Only if bit 31 set, then flag is set */
54 uint32_t PSW_USB_SV; /* Only if bit 31 set, then flag is set */
55 uint32_t PSW_USB_AV; /* Only if bit 31 set, then flag is set. */
56 uint32_t PSW_USB_SAV; /* Only if bit 31 set, then flag is set. */
69 /* Mem Protection Register */
152 /* Memory Management Registers */
170 /* Debug Registers */
186 /* Floating Point Registers */
187 float_status fp_status;
190 uint32_t hflags; /* CPU State */
194 /* Internal CPU feature flags. */
197 const tricore_def_t *cpu_model;
199 struct QEMUTimer *timer; /* Internal timer */
204 * @env: #CPUTriCoreState
216 static inline TriCoreCPU *tricore_env_get_cpu(CPUTriCoreState *env)
218 return TRICORE_CPU(container_of(env, TriCoreCPU, env));
221 #define ENV_GET_CPU(e) CPU(tricore_env_get_cpu(e))
223 #define ENV_OFFSET offsetof(TriCoreCPU, env)
225 hwaddr tricore_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
226 void tricore_cpu_dump_state(CPUState *cpu, FILE *f,
227 fprintf_function cpu_fprintf, int flags);
230 #define MASK_PCXI_PCPN 0xff000000
231 #define MASK_PCXI_PIE 0x00800000
232 #define MASK_PCXI_UL 0x00400000
233 #define MASK_PCXI_PCXS 0x000f0000
234 #define MASK_PCXI_PCXO 0x0000ffff
236 #define MASK_PSW_USB 0xff000000
237 #define MASK_USB_C 0x80000000
238 #define MASK_USB_V 0x40000000
239 #define MASK_USB_SV 0x20000000
240 #define MASK_USB_AV 0x10000000
241 #define MASK_USB_SAV 0x08000000
242 #define MASK_PSW_PRS 0x00003000
243 #define MASK_PSW_IO 0x00000c00
244 #define MASK_PSW_IS 0x00000200
245 #define MASK_PSW_GW 0x00000100
246 #define MASK_PSW_CDE 0x00000080
247 #define MASK_PSW_CDC 0x0000007f
248 #define MASK_PSW_FPU_RM 0x3000000
250 #define MASK_SYSCON_PRO_TEN 0x2
251 #define MASK_SYSCON_FCD_SF 0x1
253 #define MASK_CPUID_MOD 0xffff0000
254 #define MASK_CPUID_MOD_32B 0x0000ff00
255 #define MASK_CPUID_REV 0x000000ff
257 #define MASK_ICR_PIPN 0x00ff0000
258 #define MASK_ICR_IE 0x00000100
259 #define MASK_ICR_CCPN 0x000000ff
261 #define MASK_FCX_FCXS 0x000f0000
262 #define MASK_FCX_FCXO 0x0000ffff
264 #define MASK_LCX_LCXS 0x000f0000
265 #define MASK_LCX_LCX0 0x0000ffff
267 #define MASK_DBGSR_DE 0x1
268 #define MASK_DBGSR_HALT 0x6
269 #define MASK_DBGSR_SUSP 0x10
270 #define MASK_DBGSR_PREVSUSP 0x20
271 #define MASK_DBGSR_PEVT 0x40
272 #define MASK_DBGSR_EVTSRC 0x1f00
274 #define TRICORE_HFLAG_KUU 0x3
275 #define TRICORE_HFLAG_UM0 0x00002 /* user mode-0 flag */
276 #define TRICORE_HFLAG_UM1 0x00001 /* user mode-1 flag */
277 #define TRICORE_HFLAG_SM 0x00000 /* kernel mode flag */
279 enum tricore_features {
286 static inline int tricore_feature(CPUTriCoreState *env, int feature)
288 return (env->features & (1ULL << feature)) != 0;
291 /* TriCore Traps Classes*/
368 uint32_t psw_read(CPUTriCoreState *env);
369 void psw_write(CPUTriCoreState *env, uint32_t val);
371 void fpu_set_state(CPUTriCoreState *env);
373 #define MMU_USER_IDX 2
375 void tricore_cpu_list(FILE *f, fprintf_function cpu_fprintf);
377 #define cpu_signal_handler cpu_tricore_signal_handler
378 #define cpu_list tricore_cpu_list
380 static inline int cpu_mmu_index(CPUTriCoreState *env, bool ifetch)
387 #include "exec/cpu-all.h"
390 /* 1 bit to define user level / supervisor access */
393 /* 1 bit to indicate direction */
395 /* Type of instruction that generated the access */
396 ACCESS_CODE = 0x10, /* Code fetch access */
397 ACCESS_INT = 0x20, /* Integer load/store access */
398 ACCESS_FLOAT = 0x30, /* floating point load/store access */
401 void cpu_state_reset(CPUTriCoreState *s);
402 void tricore_tcg_init(void);
403 int cpu_tricore_signal_handler(int host_signum, void *pinfo, void *puc);
405 static inline void cpu_get_tb_cpu_state(CPUTriCoreState *env, target_ulong *pc,
406 target_ulong *cs_base, uint32_t *flags)
413 #define cpu_init(cpu_model) cpu_generic_init(TYPE_TRICORE_CPU, cpu_model)
415 #define TRICORE_CPU_TYPE_SUFFIX "-" TYPE_TRICORE_CPU
416 #define TRICORE_CPU_TYPE_NAME(model) model TRICORE_CPU_TYPE_SUFFIX
419 int cpu_tricore_handle_mmu_fault(CPUState *cpu, target_ulong address,
420 int rw, int mmu_idx);
421 #define cpu_handle_mmu_fault cpu_tricore_handle_mmu_fault
423 #endif /* TRICORE_CPU_H */