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2994fd96d9
Instead of making cpu_init() return CPUArchState, return CPUState.
Changes were made using the Coccinelle semantic patch below.
@@
typedef CPUState;
identifier e;
expression args;
type CPUArchState;
@@
- e =
+ cpu =
cpu_init(args);
- if (!e) {
+ if (!cpu) {
...
}
- cpu = ENV_GET_CPU(env);
+ e = cpu->env_ptr;
@@
identifier new_env, new_cpu, env, cpu;
type CPUArchState;
expression args;
@@
-{
- CPUState *cpu = ENV_GET_CPU(env);
- CPUArchState *new_env = cpu_init(args);
- CPUState *new_cpu = ENV_GET_CPU(new_env);
+{
+ CPUState *cpu = ENV_GET_CPU(env);
+ CPUState *new_cpu = cpu_init(args);
+ CPUArchState *new_env = new_cpu->env_ptr;
...
}
@@
identifier c, cpu_init_func, cpu_model;
type StateType, CPUType;
@@
-static inline StateType* cpu_init(const char *cpu_model)
-{
- CPUType *c = cpu_init_func(cpu_model);
(
- if (c == NULL) {
- return NULL;
- }
- return &c->env;
|
- if (c) {
- return &c->env;
- }
- return NULL;
)
-}
+#define cpu_init(cpu_model) CPU(cpu_init_func(cpu_model))
@@
identifier cpu_init_func;
identifier model;
@@
-#define cpu_init(model) (&cpu_init_func(model)->env)
+#define cpu_init(model) CPU(cpu_init_func(model))
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Cc: Blue Swirl <blauwirbel@gmail.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Cc: Riku Voipio <riku.voipio@iki.fi>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Michael Walle <michael@walle.cc>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Leon Alrae <leon.alrae@imgtec.com>
Cc: Anthony Green <green@moxielogic.com>
Cc: Jia Liu <proljc@gmail.com>
Cc: Alexander Graf <agraf@suse.de>
Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Cc: Max Filippov <jcmvbkbc@gmail.com>
[AF: Fixed up cpu_copy() manually]
Signed-off-by: Andreas Färber <afaerber@suse.de>
165 lines
5.5 KiB
C
165 lines
5.5 KiB
C
/*
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* UniCore32 virtual CPU header
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*
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* Copyright (C) 2010-2012 Guan Xuetao
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation, or (at your option) any
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* later version. See the COPYING file in the top-level directory.
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*/
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#ifndef QEMU_UNICORE32_CPU_H
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#define QEMU_UNICORE32_CPU_H
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#define TARGET_LONG_BITS 32
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#define TARGET_PAGE_BITS 12
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#define TARGET_PHYS_ADDR_SPACE_BITS 32
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#define TARGET_VIRT_ADDR_SPACE_BITS 32
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#define ELF_MACHINE EM_UNICORE32
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#define CPUArchState struct CPUUniCore32State
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#include "config.h"
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#include "qemu-common.h"
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#include "exec/cpu-defs.h"
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#include "fpu/softfloat.h"
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#define NB_MMU_MODES 2
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typedef struct CPUUniCore32State {
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/* Regs for current mode. */
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uint32_t regs[32];
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/* Frequently accessed ASR bits are stored separately for efficiently.
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This contains all the other bits. Use asr_{read,write} to access
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the whole ASR. */
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uint32_t uncached_asr;
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uint32_t bsr;
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/* Banked registers. */
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uint32_t banked_bsr[6];
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uint32_t banked_r29[6];
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uint32_t banked_r30[6];
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/* asr flag cache for faster execution */
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uint32_t CF; /* 0 or 1 */
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uint32_t VF; /* V is the bit 31. All other bits are undefined */
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uint32_t NF; /* N is bit 31. All other bits are undefined. */
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uint32_t ZF; /* Z set if zero. */
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/* System control coprocessor (cp0) */
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struct {
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uint32_t c0_cpuid;
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uint32_t c0_cachetype;
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uint32_t c1_sys; /* System control register. */
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uint32_t c2_base; /* MMU translation table base. */
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uint32_t c3_faultstatus; /* Fault status registers. */
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uint32_t c4_faultaddr; /* Fault address registers. */
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uint32_t c5_cacheop; /* Cache operation registers. */
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uint32_t c6_tlbop; /* TLB operation registers. */
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} cp0;
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/* UniCore-F64 coprocessor state. */
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struct {
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float64 regs[16];
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uint32_t xregs[32];
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float_status fp_status;
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} ucf64;
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CPU_COMMON
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/* Internal CPU feature flags. */
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uint32_t features;
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} CPUUniCore32State;
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#define ASR_M (0x1f)
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#define ASR_MODE_USER (0x10)
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#define ASR_MODE_INTR (0x12)
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#define ASR_MODE_PRIV (0x13)
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#define ASR_MODE_TRAP (0x17)
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#define ASR_MODE_EXTN (0x1b)
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#define ASR_MODE_SUSR (0x1f)
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#define ASR_I (1 << 7)
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#define ASR_V (1 << 28)
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#define ASR_C (1 << 29)
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#define ASR_Z (1 << 30)
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#define ASR_N (1 << 31)
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#define ASR_NZCV (ASR_N | ASR_Z | ASR_C | ASR_V)
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#define ASR_RESERVED (~(ASR_M | ASR_I | ASR_NZCV))
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#define UC32_EXCP_PRIV (1)
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#define UC32_EXCP_ITRAP (2)
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#define UC32_EXCP_DTRAP (3)
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#define UC32_EXCP_INTR (4)
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/* Return the current ASR value. */
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target_ulong cpu_asr_read(CPUUniCore32State *env1);
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/* Set the ASR. Note that some bits of mask must be all-set or all-clear. */
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void cpu_asr_write(CPUUniCore32State *env1, target_ulong val, target_ulong mask);
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/* UniCore-F64 system registers. */
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#define UC32_UCF64_FPSCR (31)
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#define UCF64_FPSCR_MASK (0x27ffffff)
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#define UCF64_FPSCR_RND_MASK (0x7)
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#define UCF64_FPSCR_RND(r) (((r) >> 0) & UCF64_FPSCR_RND_MASK)
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#define UCF64_FPSCR_TRAPEN_MASK (0x7f)
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#define UCF64_FPSCR_TRAPEN(r) (((r) >> 10) & UCF64_FPSCR_TRAPEN_MASK)
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#define UCF64_FPSCR_FLAG_MASK (0x3ff)
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#define UCF64_FPSCR_FLAG(r) (((r) >> 17) & UCF64_FPSCR_FLAG_MASK)
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#define UCF64_FPSCR_FLAG_ZERO (1 << 17)
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#define UCF64_FPSCR_FLAG_INFINITY (1 << 18)
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#define UCF64_FPSCR_FLAG_INVALID (1 << 19)
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#define UCF64_FPSCR_FLAG_UNDERFLOW (1 << 20)
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#define UCF64_FPSCR_FLAG_OVERFLOW (1 << 21)
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#define UCF64_FPSCR_FLAG_INEXACT (1 << 22)
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#define UCF64_FPSCR_FLAG_HUGEINT (1 << 23)
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#define UCF64_FPSCR_FLAG_DENORMAL (1 << 24)
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#define UCF64_FPSCR_FLAG_UNIMP (1 << 25)
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#define UCF64_FPSCR_FLAG_DIVZERO (1 << 26)
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#define UC32_HWCAP_CMOV 4 /* 1 << 2 */
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#define UC32_HWCAP_UCF64 8 /* 1 << 3 */
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#define cpu_exec uc32_cpu_exec
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#define cpu_signal_handler uc32_cpu_signal_handler
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int uc32_cpu_exec(CPUUniCore32State *s);
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int uc32_cpu_signal_handler(int host_signum, void *pinfo, void *puc);
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/* MMU modes definitions */
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#define MMU_MODE0_SUFFIX _kernel
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#define MMU_MODE1_SUFFIX _user
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#define MMU_USER_IDX 1
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static inline int cpu_mmu_index(CPUUniCore32State *env)
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{
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return (env->uncached_asr & ASR_M) == ASR_MODE_USER ? 1 : 0;
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}
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#include "exec/cpu-all.h"
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#include "cpu-qom.h"
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#include "exec/exec-all.h"
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UniCore32CPU *uc32_cpu_init(const char *cpu_model);
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#define cpu_init(cpu_model) CPU(uc32_cpu_init(cpu_model))
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static inline void cpu_get_tb_cpu_state(CPUUniCore32State *env, target_ulong *pc,
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target_ulong *cs_base, int *flags)
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{
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*pc = env->regs[31];
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*cs_base = 0;
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*flags = 0;
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if ((env->uncached_asr & ASR_M) != ASR_MODE_USER) {
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*flags |= (1 << 6);
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}
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}
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int uc32_cpu_handle_mmu_fault(CPUState *cpu, vaddr address, int rw,
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int mmu_idx);
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void uc32_translate_init(void);
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void switch_mode(CPUUniCore32State *, int);
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#endif /* QEMU_UNICORE32_CPU_H */
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