]> git.proxmox.com Git - qemu.git/blob - target-ppc/op_helper_mem.h
This patch adds little-endian mode support to PPC emulation.
[qemu.git] / target-ppc / op_helper_mem.h
1 void glue(do_lsw, MEMSUFFIX) (int dst)
2 {
3 uint32_t tmp;
4 int sh;
5
6 if (loglevel > 0) {
7 fprintf(logfile, "%s: addr=0x%08x count=%d reg=%d\n",
8 __func__, T0, T1, dst);
9 }
10 for (; T1 > 3; T1 -= 4, T0 += 4) {
11 ugpr(dst++) = glue(ldl, MEMSUFFIX)(T0);
12 if (dst == 32)
13 dst = 0;
14 }
15 if (T1 > 0) {
16 tmp = 0;
17 for (sh = 24; T1 > 0; T1--, T0++, sh -= 8) {
18 tmp |= glue(ldub, MEMSUFFIX)(T0) << sh;
19 }
20 ugpr(dst) = tmp;
21 }
22 }
23
24 void glue(do_stsw, MEMSUFFIX) (int src)
25 {
26 int sh;
27
28 if (loglevel > 0) {
29 fprintf(logfile, "%s: addr=0x%08x count=%d reg=%d\n",
30 __func__, T0, T1, src);
31 }
32 for (; T1 > 3; T1 -= 4, T0 += 4) {
33 glue(stl, MEMSUFFIX)(T0, ugpr(src++));
34 if (src == 32)
35 src = 0;
36 }
37 if (T1 > 0) {
38 for (sh = 24; T1 > 0; T1--, T0++, sh -= 8)
39 glue(stb, MEMSUFFIX)(T0, (ugpr(src) >> sh) & 0xFF);
40 }
41 }
42
43 void glue(do_lsw_le, MEMSUFFIX) (int dst)
44 {
45 uint32_t tmp;
46 int sh;
47
48 if (loglevel > 0) {
49 fprintf(logfile, "%s: addr=0x%08x count=%d reg=%d\n",
50 __func__, T0, T1, dst);
51 }
52 for (; T1 > 3; T1 -= 4, T0 += 4) {
53 tmp = glue(ldl, MEMSUFFIX)(T0);
54 ugpr(dst++) = ((tmp & 0xFF000000) >> 24) | ((tmp & 0x00FF0000) >> 8) |
55 ((tmp & 0x0000FF00) << 8) | ((tmp & 0x000000FF) << 24);
56 if (dst == 32)
57 dst = 0;
58 }
59 if (T1 > 0) {
60 tmp = 0;
61 for (sh = 0; T1 > 0; T1--, T0++, sh += 8) {
62 tmp |= glue(ldub, MEMSUFFIX)(T0) << sh;
63 }
64 ugpr(dst) = tmp;
65 }
66 }
67
68 void glue(do_stsw_le, MEMSUFFIX) (int src)
69 {
70 uint32_t tmp;
71 int sh;
72
73 if (loglevel > 0) {
74 fprintf(logfile, "%s: addr=0x%08x count=%d reg=%d\n",
75 __func__, T0, T1, src);
76 }
77 for (; T1 > 3; T1 -= 4, T0 += 4) {
78 tmp = ((ugpr(src++) & 0xFF000000) >> 24);
79 tmp |= ((ugpr(src++) & 0x00FF0000) >> 8);
80 tmp |= ((ugpr(src++) & 0x0000FF00) << 8);
81 tmp |= ((ugpr(src++) & 0x000000FF) << 24);
82 glue(stl, MEMSUFFIX)(T0, tmp);
83 if (src == 32)
84 src = 0;
85 }
86 if (T1 > 0) {
87 for (sh = 0; T1 > 0; T1--, T0++, sh += 8)
88 glue(stb, MEMSUFFIX)(T0, (ugpr(src) >> sh) & 0xFF);
89 }
90 }
91
92 #undef MEMSUFFIX