diff options
Diffstat (limited to 'tcg/sparc/tcg-target.inc.c')
| -rw-r--r-- | tcg/sparc/tcg-target.inc.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/tcg/sparc/tcg-target.inc.c b/tcg/sparc/tcg-target.inc.c index 8e98172ca0..92f8818a9e 100644 --- a/tcg/sparc/tcg-target.inc.c +++ b/tcg/sparc/tcg-target.inc.c @@ -996,19 +996,25 @@ static void tcg_target_qemu_prologue(TCGContext *s) is in the returned register, maybe %o0. The TLB addend is in %o1. */ static TCGReg tcg_out_tlb_load(TCGContext *s, TCGReg addr, int mem_index, - TCGMemOp s_bits, int which) + TCGMemOp opc, int which) { const TCGReg r0 = TCG_REG_O0; const TCGReg r1 = TCG_REG_O1; const TCGReg r2 = TCG_REG_O2; + unsigned s_bits = opc & MO_SIZE; + unsigned a_bits = get_alignment_bits(opc); int tlb_ofs; /* Shift the page number down. */ tcg_out_arithi(s, r1, addr, TARGET_PAGE_BITS, SHIFT_SRL); - /* Mask out the page offset, except for the required alignment. */ + /* Mask out the page offset, except for the required alignment. + We don't support unaligned accesses. */ + if (a_bits < s_bits) { + a_bits = s_bits; + } tcg_out_movi(s, TCG_TYPE_TL, TCG_REG_T1, - TARGET_PAGE_MASK | ((1 << s_bits) - 1)); + TARGET_PAGE_MASK | ((1 << a_bits) - 1)); /* Mask the tlb index. */ tcg_out_arithi(s, r1, r1, CPU_TLB_SIZE - 1, ARITH_AND); @@ -1087,7 +1093,7 @@ static void tcg_out_qemu_ld(TCGContext *s, TCGReg data, TCGReg addr, tcg_insn_unit *func; tcg_insn_unit *label_ptr; - addrz = tcg_out_tlb_load(s, addr, memi, memop & MO_SIZE, + addrz = tcg_out_tlb_load(s, addr, memi, memop, offsetof(CPUTLBEntry, addr_read)); /* The fast path is exactly one insn. Thus we can perform the @@ -1169,7 +1175,7 @@ static void tcg_out_qemu_st(TCGContext *s, TCGReg data, TCGReg addr, tcg_insn_unit *func; tcg_insn_unit *label_ptr; - addrz = tcg_out_tlb_load(s, addr, memi, memop & MO_SIZE, + addrz = tcg_out_tlb_load(s, addr, memi, memop, offsetof(CPUTLBEntry, addr_write)); /* The fast path is exactly one insn. Thus we can perform the entire |