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tcg: define tcg_init_ctx and make tcg_ctx a pointer

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Groundwork for supporting multiple TCG contexts.

The core of this patch is this change to tcg/tcg.h:

> -extern TCGContext tcg_ctx;
> +extern TCGContext tcg_init_ctx;
> +extern TCGContext *tcg_ctx;

Note that for now we set *tcg_ctx to whatever TCGContext is passed
to tcg_context_init -- in this case &tcg_init_ctx.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Emilio G. Cota 2017-07-12 17:15:52 -04:00 • committed by Richard Henderson
parent 44ded3d048
commit b1311c4acf
29 changed files with 130 additions and 126 deletions
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2
target/tilegx/translate.c
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@ -2446,7 +2446,7 @@ void tilegx_tcg_init(void)
int i;
cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
tcg_ctx.tcg_env = cpu_env;
tcg_ctx->tcg_env = cpu_env;
cpu_pc = tcg_global_mem_new_i64(cpu_env, offsetof(CPUTLGState, pc), "pc");
for (i = 0; i < TILEGX_R_COUNT; i++) {
cpu_regs[i] = tcg_global_mem_new_i64(cpu_env,