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authorRichard Henderson <richard.henderson@linaro.org>2023-03-27 16:07:15 -0700
committerRichard Henderson <richard.henderson@linaro.org>2023-06-05 12:04:28 -0700
commitd0a9bb5ecb85383198fb416bb8ecfd11127e6452 (patch)
tree8be1e95665440739b4f0c39c3ca2cec3eaaaf795 /tcg/aarch64
parent238f43809a85a47cfbbc2e1d6aff4640fec30328 (diff)
tcg: Add tlb_fast_offset to TCGContext
Disconnect the layout of ArchCPU from TCG compilation. Pass the relative offset of 'env' and 'neg.tlb.f' as a parameter. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/aarch64')
-rw-r--r--tcg/aarch64/tcg-target.c.inc7
1 files changed, 4 insertions, 3 deletions
diff --git a/tcg/aarch64/tcg-target.c.inc b/tcg/aarch64/tcg-target.c.inc
index e23c57e2cd..35ca80cd56 100644
--- a/tcg/aarch64/tcg-target.c.inc
+++ b/tcg/aarch64/tcg-target.c.inc
@@ -1636,6 +1636,9 @@ static bool tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
return true;
}
+/* We expect to use a 7-bit scaled negative offset from ENV. */
+#define MIN_TLB_MASK_TABLE_OFS -512
+
/*
* For softmmu, perform the TLB load and compare.
* For useronly, perform any required alignment tests.
@@ -1674,12 +1677,10 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h,
? TCG_TYPE_I64 : TCG_TYPE_I32);
/* Load env_tlb(env)->f[mmu_idx].{mask,table} into {tmp0,tmp1}. */
- QEMU_BUILD_BUG_ON(TLB_MASK_TABLE_OFS(0) > 0);
- QEMU_BUILD_BUG_ON(TLB_MASK_TABLE_OFS(0) < -512);
QEMU_BUILD_BUG_ON(offsetof(CPUTLBDescFast, mask) != 0);
QEMU_BUILD_BUG_ON(offsetof(CPUTLBDescFast, table) != 8);
tcg_out_insn(s, 3314, LDP, TCG_REG_TMP0, TCG_REG_TMP1, TCG_AREG0,
- TLB_MASK_TABLE_OFS(mem_index), 1, 0);
+ tlb_mask_table_ofs(s, mem_index), 1, 0);
/* Extract the TLB index from the address into X0. */
tcg_out_insn(s, 3502S, AND_LSR, mask_type == TCG_TYPE_I64,