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tcg: Create struct CPUTLB

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Move all softmmu tlb data into this structure.  Arrange the
members so that we are able to place mask+table together and
at a smaller absolute offset from ENV.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2019-03-22 13:52:09 -07:00
parent 74433bf083
commit a40ec84ee2
12 changed files with 146 additions and 163 deletions
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12
tcg/riscv/tcg-target.inc.c
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@ -962,14 +962,6 @@ static void * const qemu_st_helpers[16] = {
/* We don't support oversize guests */
QEMU_BUILD_BUG_ON(TCG_TARGET_REG_BITS < TARGET_LONG_BITS);
/* We expect tlb_mask to be before tlb_table. */
QEMU_BUILD_BUG_ON(offsetof(CPUArchState, tlb_table) <
offsetof(CPUArchState, tlb_mask));
/* We expect tlb_mask to be "near" tlb_table. */
QEMU_BUILD_BUG_ON(offsetof(CPUArchState, tlb_table) -
offsetof(CPUArchState, tlb_mask) >= 0x800);
static void tcg_out_tlb_load(TCGContext *s, TCGReg addrl,
TCGReg addrh, TCGMemOpIdx oi,
tcg_insn_unit **label_ptr, bool is_load)
@ -982,8 +974,8 @@ static void tcg_out_tlb_load(TCGContext *s, TCGReg addrl,
int mask_off, table_off;
TCGReg mask_base = TCG_AREG0, table_base = TCG_AREG0;
mask_off = offsetof(CPUArchState, tlb_mask[mem_index]);
table_off = offsetof(CPUArchState, tlb_table[mem_index]);
mask_off = offsetof(CPUArchState, tlb_.f[mem_index].mask);
table_off = offsetof(CPUArchState, tlb_.f[mem_index].table);
if (table_off > 0x7ff) {
int mask_hi = mask_off - sextreg(mask_off, 0, 12);
int table_hi = table_off - sextreg(table_off, 0, 12);