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-rw-r--r--target-mips/op_helper_mem.c143
1 files changed, 143 insertions, 0 deletions
diff --git a/target-mips/op_helper_mem.c b/target-mips/op_helper_mem.c
new file mode 100644
index 0000000000..69793b0b97
--- /dev/null
+++ b/target-mips/op_helper_mem.c
@@ -0,0 +1,143 @@
+void glue(do_lwl, MEMSUFFIX) (void)
+{
+#if defined (DEBUG_OP)
+ target_ulong sav = T0;
+#endif
+ uint32_t tmp;
+
+ tmp = glue(ldl, MEMSUFFIX)(T0 & ~3);
+ /* XXX: this is valid only in big-endian mode
+ * should be reverted for little-endian...
+ */
+ switch (T0 & 3) {
+ case 0:
+ T0 = tmp;
+ break;
+ case 1:
+ T0 = (tmp << 8) | (T1 & 0x000000FF);
+ break;
+ case 2:
+ T0 = (tmp << 16) | (T1 & 0x0000FFFF);
+ break;
+ case 3:
+ T0 = (tmp << 24) | (T1 & 0x00FFFFFF);
+ break;
+ }
+#if defined (DEBUG_OP)
+ if (logfile) {
+ fprintf(logfile, "%s: %08x - %08x %08x => %08x\n",
+ __func__, sav, tmp, T1, T0);
+ }
+#endif
+ RETURN();
+}
+
+void glue(do_lwr, MEMSUFFIX) (void)
+{
+#if defined (DEBUG_OP)
+ target_ulong sav = T0;
+#endif
+ uint32_t tmp;
+
+ tmp = glue(ldl, MEMSUFFIX)(T0 & ~3);
+ /* XXX: this is valid only in big-endian mode
+ * should be reverted for little-endian...
+ */
+ switch (T0 & 3) {
+ case 0:
+ T0 = (tmp >> 24) | (T1 & 0xFFFFFF00);
+ break;
+ case 1:
+ T0 = (tmp >> 16) | (T1 & 0xFFFF0000);
+ break;
+ case 2:
+ T0 = (tmp >> 8) | (T1 & 0xFF000000);
+ break;
+ case 3:
+ T0 = tmp;
+ break;
+ }
+#if defined (DEBUG_OP)
+ if (logfile) {
+ fprintf(logfile, "%s: %08x - %08x %08x => %08x\n",
+ __func__, sav, tmp, T1, T0);
+ }
+#endif
+ RETURN();
+}
+
+void glue(do_swl, MEMSUFFIX) (void)
+{
+#if defined (DEBUG_OP)
+ target_ulong sav;
+#endif
+ uint32_t tmp;
+
+ tmp = glue(ldl, MEMSUFFIX)(T0 & ~3);
+#if defined (DEBUG_OP)
+ sav = tmp;
+#endif
+ /* XXX: this is valid only in big-endian mode
+ * should be reverted for little-endian...
+ */
+ switch (T0 & 3) {
+ case 0:
+ tmp = T1;
+ break;
+ case 1:
+ tmp = (tmp & 0xFF000000) | (T1 >> 8);
+ break;
+ case 2:
+ tmp = (tmp & 0xFFFF0000) | (T1 >> 16);
+ break;
+ case 3:
+ tmp = (tmp & 0xFFFFFF00) | (T1 >> 24);
+ break;
+ }
+ glue(stl, MEMSUFFIX)(T0 & ~3, tmp);
+#if defined (DEBUG_OP)
+ if (logfile) {
+ fprintf(logfile, "%s: %08x - %08x %08x => %08x\n",
+ __func__, T0, sav, T1, tmp);
+ }
+#endif
+ RETURN();
+}
+
+void glue(do_swr, MEMSUFFIX) (void)
+{
+#if defined (DEBUG_OP)
+ target_ulong sav;
+#endif
+ uint32_t tmp;
+
+ tmp = glue(ldl, MEMSUFFIX)(T0 & ~3);
+#if defined (DEBUG_OP)
+ sav = tmp;
+#endif
+ /* XXX: this is valid only in big-endian mode
+ * should be reverted for little-endian...
+ */
+ switch (T0 & 3) {
+ case 0:
+ tmp = (tmp & 0x00FFFFFF) | (T1 << 24);
+ break;
+ case 1:
+ tmp = (tmp & 0x0000FFFF) | (T1 << 16);
+ break;
+ case 2:
+ tmp = (tmp & 0x000000FF) | (T1 << 8);
+ break;
+ case 3:
+ tmp = T1;
+ break;
+ }
+ glue(stl, MEMSUFFIX)(T0 & ~3, tmp);
+#if defined (DEBUG_OP)
+ if (logfile) {
+ fprintf(logfile, "%s: %08x - %08x %08x => %08x\n",
+ __func__, T0, sav, T1, tmp);
+ }
+#endif
+ RETURN();
+}