diff options
author | Richard Henderson <richard.henderson@linaro.org> | 2023-03-27 16:07:15 -0700 |
---|---|---|
committer | Richard Henderson <richard.henderson@linaro.org> | 2023-06-05 12:04:28 -0700 |
commit | d0a9bb5ecb85383198fb416bb8ecfd11127e6452 (patch) | |
tree | 8be1e95665440739b4f0c39c3ca2cec3eaaaf795 /tcg/s390x | |
parent | 238f43809a85a47cfbbc2e1d6aff4640fec30328 (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/s390x')
-rw-r--r-- | tcg/s390x/tcg-target.c.inc | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/tcg/s390x/tcg-target.c.inc b/tcg/s390x/tcg-target.c.inc index 03be800c3b..aeddebbb5c 100644 --- a/tcg/s390x/tcg-target.c.inc +++ b/tcg/s390x/tcg-target.c.inc @@ -1735,6 +1735,9 @@ static bool tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *lb) return true; } +/* We're expecting to use a 20-bit negative offset on the tlb memory ops. */ +#define MIN_TLB_MASK_TABLE_OFS -(1 << 19) + /* * For softmmu, perform the TLB load and compare. * For useronly, perform any required alignment tests. @@ -1757,7 +1760,7 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h, #ifdef CONFIG_SOFTMMU unsigned s_mask = (1 << s_bits) - 1; int mem_index = get_mmuidx(oi); - int fast_off = TLB_MASK_TABLE_OFS(mem_index); + int fast_off = tlb_mask_table_ofs(s, mem_index); int mask_off = fast_off + offsetof(CPUTLBDescFast, mask); int table_off = fast_off + offsetof(CPUTLBDescFast, table); int ofs, a_off; @@ -1771,8 +1774,6 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h, tcg_out_sh64(s, RSY_SRLG, TCG_TMP0, addr_reg, TCG_REG_NONE, s->page_bits - CPU_TLB_ENTRY_BITS); - QEMU_BUILD_BUG_ON(TLB_MASK_TABLE_OFS(0) > 0); - QEMU_BUILD_BUG_ON(TLB_MASK_TABLE_OFS(0) < -(1 << 19)); tcg_out_insn(s, RXY, NG, TCG_TMP0, TCG_AREG0, TCG_REG_NONE, mask_off); tcg_out_insn(s, RXY, AG, TCG_TMP0, TCG_AREG0, TCG_REG_NONE, table_off); |