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tcg: Make tb arg to synchronize_from_tb const

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There is nothing within the translators that ought to be
changing the TranslationBlock data, so make it const.

This does not actually use the read-only copy of the
data structure that exists within the rx region.

Reviewed-by: Joelle van Dyne <j@getutm.app>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2020-10-29 12:30:01 -07:00
parent d997143533
commit 04a37d4ca4
12 changed files with 23 additions and 12 deletions
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3
include/hw/core/cpu.h
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@ -189,7 +189,8 @@ struct CPUClass {
void (*get_memory_mapping)(CPUState *cpu, MemoryMappingList *list,
Error **errp);
void (*set_pc)(CPUState *cpu, vaddr value);
void (*synchronize_from_tb)(CPUState *cpu, struct TranslationBlock *tb);
void (*synchronize_from_tb)(CPUState *cpu,
const struct TranslationBlock *tb);
bool (*tlb_fill)(CPUState *cpu, vaddr address, int size,
MMUAccessType access_type, int mmu_idx,
bool probe, uintptr_t retaddr);