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Diffstat (limited to 'target/tilegx/cpu.h')
| -rw-r--r-- | target/tilegx/cpu.h | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/target/tilegx/cpu.h b/target/tilegx/cpu.h deleted file mode 100644 index 7d8e44d..0000000 --- a/target/tilegx/cpu.h +++ /dev/null @@ -1,160 +0,0 @@ -/* - * TILE-Gx virtual CPU header - * - * Copyright (c) 2015 Chen Gang - * - * 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 - * 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 TILEGX_CPU_H -#define TILEGX_CPU_H - -#include "exec/cpu-defs.h" -#include "qom/object.h" - -/* TILE-Gx common register alias */ -#define TILEGX_R_RE 0 /* 0 register, for function/syscall return value */ -#define TILEGX_R_ERR 1 /* 1 register, for syscall errno flag */ -#define TILEGX_R_NR 10 /* 10 register, for syscall number */ -#define TILEGX_R_BP 52 /* 52 register, optional frame pointer */ -#define TILEGX_R_TP 53 /* TP register, thread local storage data */ -#define TILEGX_R_SP 54 /* SP register, stack pointer */ -#define TILEGX_R_LR 55 /* LR register, may save pc, but it is not pc */ -#define TILEGX_R_COUNT 56 /* Only 56 registers are really useful */ -#define TILEGX_R_SN 56 /* SN register, obsoleted, it likes zero register */ -#define TILEGX_R_IDN0 57 /* IDN0 register, cause IDN_ACCESS exception */ -#define TILEGX_R_IDN1 58 /* IDN1 register, cause IDN_ACCESS exception */ -#define TILEGX_R_UDN0 59 /* UDN0 register, cause UDN_ACCESS exception */ -#define TILEGX_R_UDN1 60 /* UDN1 register, cause UDN_ACCESS exception */ -#define TILEGX_R_UDN2 61 /* UDN2 register, cause UDN_ACCESS exception */ -#define TILEGX_R_UDN3 62 /* UDN3 register, cause UDN_ACCESS exception */ -#define TILEGX_R_ZERO 63 /* Zero register, always zero */ -#define TILEGX_R_NOREG 255 /* Invalid register value */ - -/* TILE-Gx special registers used by outside */ -enum { - TILEGX_SPR_CMPEXCH = 0, - TILEGX_SPR_CRITICAL_SEC = 1, - TILEGX_SPR_SIM_CONTROL = 2, - TILEGX_SPR_EX_CONTEXT_0_0 = 3, - TILEGX_SPR_EX_CONTEXT_0_1 = 4, - TILEGX_SPR_COUNT -}; - -/* Exception numbers */ -typedef enum { - TILEGX_EXCP_NONE = 0, - TILEGX_EXCP_SYSCALL = 1, - TILEGX_EXCP_SIGNAL = 2, - TILEGX_EXCP_OPCODE_UNKNOWN = 0x101, - TILEGX_EXCP_OPCODE_UNIMPLEMENTED = 0x102, - TILEGX_EXCP_OPCODE_CMPEXCH = 0x103, - TILEGX_EXCP_OPCODE_CMPEXCH4 = 0x104, - TILEGX_EXCP_OPCODE_EXCH = 0x105, - TILEGX_EXCP_OPCODE_EXCH4 = 0x106, - TILEGX_EXCP_OPCODE_FETCHADD = 0x107, - TILEGX_EXCP_OPCODE_FETCHADD4 = 0x108, - TILEGX_EXCP_OPCODE_FETCHADDGEZ = 0x109, - TILEGX_EXCP_OPCODE_FETCHADDGEZ4 = 0x10a, - TILEGX_EXCP_OPCODE_FETCHAND = 0x10b, - TILEGX_EXCP_OPCODE_FETCHAND4 = 0x10c, - TILEGX_EXCP_OPCODE_FETCHOR = 0x10d, - TILEGX_EXCP_OPCODE_FETCHOR4 = 0x10e, - TILEGX_EXCP_REG_IDN_ACCESS = 0x181, - TILEGX_EXCP_REG_UDN_ACCESS = 0x182, - TILEGX_EXCP_UNALIGNMENT = 0x201, - TILEGX_EXCP_DBUG_BREAK = 0x301 -} TileExcp; - -typedef struct CPUTLGState { - uint64_t regs[TILEGX_R_COUNT]; /* Common used registers by outside */ - uint64_t spregs[TILEGX_SPR_COUNT]; /* Special used registers by outside */ - uint64_t pc; /* Current pc */ - -#if defined(CONFIG_USER_ONLY) - uint64_t excaddr; /* exception address */ - uint64_t atomic_srca; /* Arguments to atomic "exceptions" */ - uint64_t atomic_srcb; - uint32_t atomic_dstr; - uint32_t signo; /* Signal number */ - uint32_t sigcode; /* Signal code */ -#endif - - /* Fields up to this point are cleared by a CPU reset */ - struct {} end_reset_fields; -} CPUTLGState; - -#include "hw/core/cpu.h" - -#define TYPE_TILEGX_CPU "tilegx-cpu" - -OBJECT_DECLARE_TYPE(TileGXCPU, TileGXCPUClass, - TILEGX_CPU) - -/** - * TileGXCPUClass: - * @parent_realize: The parent class' realize handler. - * @parent_reset: The parent class' reset handler. - * - * A Tile-Gx CPU model. - */ -struct TileGXCPUClass { - /*< private >*/ - CPUClass parent_class; - /*< public >*/ - - DeviceRealize parent_realize; - DeviceReset parent_reset; -}; - -/** - * TileGXCPU: - * @env: #CPUTLGState - * - * A Tile-GX CPU. - */ -struct TileGXCPU { - /*< private >*/ - CPUState parent_obj; - /*< public >*/ - - CPUNegativeOffsetState neg; - CPUTLGState env; -}; - - -/* TILE-Gx memory attributes */ -#define MMU_USER_IDX 0 /* Current memory operation is in user mode */ - -typedef CPUTLGState CPUArchState; -typedef TileGXCPU ArchCPU; - -#include "exec/cpu-all.h" - -void tilegx_tcg_init(void); -int cpu_tilegx_signal_handler(int host_signum, void *pinfo, void *puc); - -#define CPU_RESOLVING_TYPE TYPE_TILEGX_CPU - -#define cpu_signal_handler cpu_tilegx_signal_handler - -static inline void cpu_get_tb_cpu_state(CPUTLGState *env, target_ulong *pc, - target_ulong *cs_base, uint32_t *flags) -{ - *pc = env->pc; - *cs_base = 0; - *flags = 0; -} - -#endif |