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comparison backend_x86.c @ 750:59b499f6b24f

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Fix handling of address mask in gen_mem_fun
author Michael Pavone <pavone@retrodev.com>
date Mon, 22 Jun 2015 09:22:18 -0700
parents 7f96bd1cb1be
children e1dc98f7ed9f
comparison
equal deleted inserted replaced
749:6f439a197f61 750:59b499f6b24f
53 check_cycles(opts); 53 check_cycles(opts);
54 cycles(opts, opts->bus_cycles); 54 cycles(opts, opts->bus_cycles);
55 if (after_inc) { 55 if (after_inc) {
56 *after_inc = code->cur; 56 *after_inc = code->cur;
57 } 57 }
58 if (opts->address_size == SZ_D && opts->address_mask < 0xFFFFFFFF) {
59 and_ir(code, opts->address_mask, opts->scratch1, SZ_D);
60 }
61 code_ptr lb_jcc = NULL, ub_jcc = NULL;
62 uint8_t is_write = fun_type == WRITE_16 || fun_type == WRITE_8; 58 uint8_t is_write = fun_type == WRITE_16 || fun_type == WRITE_8;
63 uint8_t adr_reg = is_write ? opts->scratch2 : opts->scratch1; 59 uint8_t adr_reg = is_write ? opts->scratch2 : opts->scratch1;
60 if (opts->address_size == SZ_D && opts->address_mask != 0xFFFFFFFF) {
61 and_ir(code, opts->address_mask, adr_reg, SZ_D);
62 }
63 code_ptr lb_jcc = NULL, ub_jcc = NULL;
64 uint16_t access_flag = is_write ? MMAP_WRITE : MMAP_READ; 64 uint16_t access_flag = is_write ? MMAP_WRITE : MMAP_READ;
65 uint8_t size = (fun_type == READ_16 || fun_type == WRITE_16) ? SZ_W : SZ_B; 65 uint8_t size = (fun_type == READ_16 || fun_type == WRITE_16) ? SZ_W : SZ_B;
66 uint32_t ram_flags_off = opts->ram_flags_off; 66 uint32_t ram_flags_off = opts->ram_flags_off;
67 for (uint32_t chunk = 0; chunk < num_chunks; chunk++) 67 for (uint32_t chunk = 0; chunk < num_chunks; chunk++)
68 { 68 {