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accel/tcg: Restrict TCGCPUOps::tlb_fill() to sysemu

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We have replaced tlb_fill with record_sigsegv for user mode.
Move the declaration to restrict it to system emulation.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-09-15 08:13:38 -07:00
parent 6407f64fcf
commit eeca7dc566
2 changed files with 10 additions and 15 deletions
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22
include/hw/core/tcg-cpu-ops.h
View file

@ -35,18 +35,6 @@ struct TCGCPUOps {
void (*cpu_exec_enter)(CPUState *cpu);
/** @cpu_exec_exit: Callback for cpu_exec cleanup */
void (*cpu_exec_exit)(CPUState *cpu);
/**
* @tlb_fill: Handle a softmmu tlb miss or user-only address fault
*
* For system mode, if the access is valid, call tlb_set_page
* and return true; if the access is invalid, and probe is
* true, return false; otherwise raise an exception and do
* not return. For user-only mode, always raise an exception
* and do not return.
*/
bool (*tlb_fill)(CPUState *cpu, vaddr address, int size,
MMUAccessType access_type, int mmu_idx,
bool probe, uintptr_t retaddr);
/** @debug_excp_handler: Callback for handling debug exceptions */
void (*debug_excp_handler)(CPUState *cpu);
@ -68,6 +56,16 @@ struct TCGCPUOps {
#ifdef CONFIG_SOFTMMU
/** @cpu_exec_interrupt: Callback for processing interrupts in cpu_exec */
bool (*cpu_exec_interrupt)(CPUState *cpu, int interrupt_request);
/**
* @tlb_fill: Handle a softmmu tlb miss
*
* If the access is valid, call tlb_set_page and return true;
* if the access is invalid and probe is true, return false;
* otherwise raise an exception and do not return.
*/
bool (*tlb_fill)(CPUState *cpu, vaddr address, int size,
MMUAccessType access_type, int mmu_idx,
bool probe, uintptr_t retaddr);
/**
* @do_transaction_failed: Callback for handling failed memory transactions
* (ie bus faults or external aborts; not MMU faults)

3
linux-user/signal.c
View file

@ -697,9 +697,6 @@ void cpu_loop_exit_sigsegv(CPUState *cpu, target_ulong addr,
if (tcg_ops->record_sigsegv) {
tcg_ops->record_sigsegv(cpu, addr, access_type, maperr, ra);
} else if (tcg_ops->tlb_fill) {
tcg_ops->tlb_fill(cpu, addr, 0, access_type, MMU_USER_IDX, false, ra);
g_assert_not_reached();
}
force_sig_fault(TARGET_SIGSEGV,