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| author | Lluís Vilanova <vilanova@ac.upc.edu> | 2017-07-14 11:21:37 +0300 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2017-09-06 08:06:47 -0700 |
| commit | 77fc6f5e28667634916f114ae04c6029cd7b9c45 (patch) | |
| tree | 24bdfd7f87b8f817373c31c7860b27daed30f40f /include/exec/exec-all.h | |
| parent | a0c231e651b249960906f250b8e5eef5ed9888c4 (diff) | |
| download | qemu-77fc6f5e28667634916f114ae04c6029cd7b9c45.zip qemu-77fc6f5e28667634916f114ae04c6029cd7b9c45.tar.gz qemu-77fc6f5e28667634916f114ae04c6029cd7b9c45.tar.bz2 | |
target: [tcg] Use a generic enum for DISAS_ values
Used later. An enum makes expected values explicit and
bounds the value space of switches.
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Reviewed-by: Emilio G. Cota <cota@braap.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Message-Id: <150002049746.22386.2316077281615710615.stgit@frigg.lan>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'include/exec/exec-all.h')
| -rw-r--r-- | include/exec/exec-all.h | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index b434988..ff8fbe4 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -35,36 +35,6 @@ typedef abi_ulong tb_page_addr_t; typedef ram_addr_t tb_page_addr_t; #endif -/* DisasContext is_jmp field values - * - * is_jmp starts as DISAS_NEXT. The translator will keep processing - * instructions until an exit condition is reached. If we reach the - * exit condition and is_jmp is still DISAS_NEXT (because of some - * other condition) we simply "jump" to the next address. - * The remaining exit cases are: - * - * DISAS_JUMP - Only the PC was modified dynamically (e.g computed) - * DISAS_TB_JUMP - Only the PC was modified statically (e.g. branch) - * - * In these cases as long as the PC is updated we can chain to the - * next TB either by exiting the loop or looking up the next TB via - * the loookup helper. - * - * DISAS_UPDATE - CPU State was modified dynamically - * - * This covers any other CPU state which necessities us exiting the - * TCG code to the main run-loop. Typically this includes anything - * that might change the interrupt state. - * - * Individual translators may define additional exit cases to deal - * with per-target special conditions. - */ -#define DISAS_NEXT 0 /* next instruction can be analyzed */ -#define DISAS_JUMP 1 /* only pc was modified dynamically */ -#define DISAS_TB_JUMP 2 /* only pc was modified statically */ -#define DISAS_UPDATE 3 /* cpu state was modified dynamically */ -#define DISAS_NORETURN 4 /* the tb has already been exited */ - #include "qemu/log.h" void gen_intermediate_code(CPUState *cpu, struct TranslationBlock *tb); |