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Diffstat (limited to 'target/unicore32/cpu.h')
| -rw-r--r-- | target/unicore32/cpu.h | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/target/unicore32/cpu.h b/target/unicore32/cpu.h deleted file mode 100644 index 7a32e086ed..0000000000 --- a/target/unicore32/cpu.h +++ /dev/null @@ -1,168 +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 UNICORE32_CPU_H -#define UNICORE32_CPU_H - -#include "cpu-qom.h" -#include "exec/cpu-defs.h" - -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; - - /* Internal CPU feature flags. */ - uint32_t features; - -} CPUUniCore32State; - -/** - * UniCore32CPU: - * @env: #CPUUniCore32State - * - * A UniCore32 CPU. - */ -struct UniCore32CPU { - /*< private >*/ - CPUState parent_obj; - /*< public >*/ - - CPUNegativeOffsetState neg; - CPUUniCore32State 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, int flags); -hwaddr uc32_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); - -#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_signal_handler uc32_cpu_signal_handler - -int uc32_cpu_signal_handler(int host_signum, void *pinfo, void *puc); - -/* MMU modes definitions */ -#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; -} - -typedef CPUUniCore32State CPUArchState; -typedef UniCore32CPU ArchCPU; - -#include "exec/cpu-all.h" - -#define UNICORE32_CPU_TYPE_SUFFIX "-" TYPE_UNICORE32_CPU -#define UNICORE32_CPU_TYPE_NAME(model) model UNICORE32_CPU_TYPE_SUFFIX -#define CPU_RESOLVING_TYPE TYPE_UNICORE32_CPU - -static inline void cpu_get_tb_cpu_state(CPUUniCore32State *env, target_ulong *pc, - target_ulong *cs_base, uint32_t *flags) -{ - *pc = env->regs[31]; - *cs_base = 0; - *flags = 0; - if ((env->uncached_asr & ASR_M) != ASR_MODE_USER) { - *flags |= (1 << 6); - } -} - -bool uc32_cpu_tlb_fill(CPUState *cs, vaddr address, int size, - MMUAccessType access_type, int mmu_idx, - bool probe, uintptr_t retaddr); -void uc32_translate_init(void); -void switch_mode(CPUUniCore32State *, int); - -#endif /* UNICORE32_CPU_H */ |