From 3fd3442abe24f8cabcbb40b73ffe7de81e5db446 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Sun, 20 Jun 2021 15:44:28 -0700 Subject: target/alpha: Remove in_superpage The number of links across (normal) pages using this is low, and it will shortly violate the contract for breakpoints. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/alpha/translate.c | 24 ++---------------------- 1 file changed, 2 insertions(+), 22 deletions(-) (limited to 'target') diff --git a/target/alpha/translate.c b/target/alpha/translate.c index cb2cb2d..bb7b5ce 100644 --- a/target/alpha/translate.c +++ b/target/alpha/translate.c @@ -438,24 +438,9 @@ static DisasJumpType gen_store_conditional(DisasContext *ctx, int ra, int rb, return DISAS_NEXT; } -static bool in_superpage(DisasContext *ctx, int64_t addr) -{ -#ifndef CONFIG_USER_ONLY - return ((ctx->tbflags & ENV_FLAG_PS_USER) == 0 - && addr >> TARGET_VIRT_ADDR_SPACE_BITS == -1 - && ((addr >> 41) & 3) == 2); -#else - return false; -#endif -} - static bool use_goto_tb(DisasContext *ctx, uint64_t dest) { #ifndef CONFIG_USER_ONLY - /* If the destination is in the superpage, the page perms can't change. */ - if (in_superpage(ctx, dest)) { - return true; - } /* Check for the dest on the same page as the start of the TB. */ return ((ctx->base.tb->pc ^ dest) & TARGET_PAGE_MASK) == 0; #else @@ -2990,7 +2975,7 @@ static void alpha_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cpu) { DisasContext *ctx = container_of(dcbase, DisasContext, base); CPUAlphaState *env = cpu->env_ptr; - int64_t bound, mask; + int64_t bound; ctx->tbflags = ctx->base.tb->flags; ctx->mem_idx = cpu_mmu_index(env, false); @@ -3019,12 +3004,7 @@ static void alpha_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cpu) ctx->lit = NULL; /* Bound the number of insns to execute to those left on the page. */ - if (in_superpage(ctx, ctx->base.pc_first)) { - mask = -1ULL << 41; - } else { - mask = TARGET_PAGE_MASK; - } - bound = -(ctx->base.pc_first | mask) / 4; + bound = -(ctx->base.pc_first | TARGET_PAGE_MASK) / 4; ctx->base.max_insns = MIN(ctx->base.max_insns, bound); } -- cgit v1.1