qemu-e2k/target/mips/tcg/tcg-internal.h
Richard Henderson 8ec7e3c53d target/mips: Use an exception for semihosting
Within do_interrupt, we hold the iothread lock, which
is required for Chardev access for the console, and for
the round trip for use_gdb_syscalls().

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-28 10:13:42 +05:30

70 lines
2.3 KiB
C

/*
* MIPS internal definitions and helpers (TCG accelerator)
*
* SPDX-License-Identifier: GPL-2.0-or-later
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef MIPS_TCG_INTERNAL_H
#define MIPS_TCG_INTERNAL_H
#include "tcg/tcg.h"
#include "exec/memattrs.h"
#include "hw/core/cpu.h"
#include "cpu.h"
void mips_tcg_init(void);
void mips_cpu_synchronize_from_tb(CPUState *cs, const TranslationBlock *tb);
G_NORETURN void mips_cpu_do_unaligned_access(CPUState *cpu, vaddr addr,
MMUAccessType access_type, int mmu_idx,
uintptr_t retaddr);
const char *mips_exception_name(int32_t exception);
G_NORETURN void do_raise_exception_err(CPUMIPSState *env, uint32_t exception,
int error_code, uintptr_t pc);
static inline G_NORETURN
void do_raise_exception(CPUMIPSState *env,
uint32_t exception,
uintptr_t pc)
{
do_raise_exception_err(env, exception, 0, pc);
}
#if !defined(CONFIG_USER_ONLY)
void mips_cpu_do_interrupt(CPUState *cpu);
bool mips_cpu_exec_interrupt(CPUState *cpu, int int_req);
void mmu_init(CPUMIPSState *env, const mips_def_t *def);
void update_pagemask(CPUMIPSState *env, target_ulong arg1, int32_t *pagemask);
void r4k_invalidate_tlb(CPUMIPSState *env, int idx, int use_extra);
uint32_t cpu_mips_get_random(CPUMIPSState *env);
bool mips_io_recompile_replay_branch(CPUState *cs, const TranslationBlock *tb);
hwaddr cpu_mips_translate_address(CPUMIPSState *env, target_ulong address,
MMUAccessType access_type, uintptr_t retaddr);
void mips_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr,
vaddr addr, unsigned size,
MMUAccessType access_type,
int mmu_idx, MemTxAttrs attrs,
MemTxResult response, uintptr_t retaddr);
void cpu_mips_tlb_flush(CPUMIPSState *env);
bool mips_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
MMUAccessType access_type, int mmu_idx,
bool probe, uintptr_t retaddr);
void mips_semihosting(CPUMIPSState *env);
#endif /* !CONFIG_USER_ONLY */
#endif