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accel/tcg: Introduce CF_BP_PAGE

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Record the fact that we've found a breakpoint on the page
in which a TranslationBlock is running.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-03-21 16:54:11 -10:00
parent 8d65cda728
commit d828b92b8a
2 changed files with 2 additions and 1 deletions
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2
accel/tcg/cpu-exec.c
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@ -371,7 +371,7 @@ static bool check_for_breakpoints_slow(CPUState *cpu, vaddr pc,
* breakpoints are removed. * breakpoints are removed.
*/ */
if (match_page) { if (match_page) {
*cflags = (*cflags & ~CF_COUNT_MASK) | CF_NO_GOTO_TB | 1; *cflags = (*cflags & ~CF_COUNT_MASK) | CF_NO_GOTO_TB | CF_BP_PAGE | 1;
} }
return false; return false;
} }

1
include/exec/translation-block.h
View file

@ -77,6 +77,7 @@ struct TranslationBlock {
#define CF_PARALLEL 0x00008000 /* Generate code for a parallel context */ #define CF_PARALLEL 0x00008000 /* Generate code for a parallel context */
#define CF_NOIRQ 0x00010000 /* Generate an uninterruptible TB */ #define CF_NOIRQ 0x00010000 /* Generate an uninterruptible TB */
#define CF_PCREL 0x00020000 /* Opcodes in TB are PC-relative */ #define CF_PCREL 0x00020000 /* Opcodes in TB are PC-relative */
#define CF_BP_PAGE 0x00040000 /* Breakpoint present in code page */
#define CF_CLUSTER_MASK 0xff000000 /* Top 8 bits are cluster ID */ #define CF_CLUSTER_MASK 0xff000000 /* Top 8 bits are cluster ID */
#define CF_CLUSTER_SHIFT 24 #define CF_CLUSTER_SHIFT 24