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Diffstat (limited to 'target-ppc/op_helper_mem.h')
-rw-r--r--target-ppc/op_helper_mem.h206
1 files changed, 165 insertions, 41 deletions
diff --git a/target-ppc/op_helper_mem.h b/target-ppc/op_helper_mem.h
index fb90691f2b..45bb90d8a1 100644
--- a/target-ppc/op_helper_mem.h
+++ b/target-ppc/op_helper_mem.h
@@ -1,20 +1,78 @@
+/*
+ * PowerPC emulation micro-operations helpers for qemu.
+ *
+ * Copyright (c) 2003-2007 Jocelyn Mayer
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/* Multiple word / string load and store */
+static inline target_ulong glue(ld32r, MEMSUFFIX) (target_ulong EA)
+{
+ uint32_t tmp = glue(ldl, MEMSUFFIX)(EA);
+ return ((tmp & 0xFF000000UL) >> 24) | ((tmp & 0x00FF0000UL) >> 8) |
+ ((tmp & 0x0000FF00UL) << 8) | ((tmp & 0x000000FFUL) << 24);
+}
+
+static inline void glue(st32r, MEMSUFFIX) (target_ulong EA, target_ulong data)
+{
+ uint32_t tmp =
+ ((data & 0xFF000000UL) >> 24) | ((data & 0x00FF0000UL) >> 8) |
+ ((data & 0x0000FF00UL) << 8) | ((data & 0x000000FFUL) << 24);
+ glue(stl, MEMSUFFIX)(EA, tmp);
+}
+
+void glue(do_lmw, MEMSUFFIX) (int dst)
+{
+ for (; dst < 32; dst++, T0 += 4) {
+ ugpr(dst) = glue(ldl, MEMSUFFIX)(T0);
+ }
+}
+
+void glue(do_stmw, MEMSUFFIX) (int src)
+{
+ for (; src < 32; src++, T0 += 4) {
+ glue(stl, MEMSUFFIX)(T0, ugpr(src));
+ }
+}
+
+void glue(do_lmw_le, MEMSUFFIX) (int dst)
+{
+ for (; dst < 32; dst++, T0 += 4) {
+ ugpr(dst) = glue(ld32r, MEMSUFFIX)(T0);
+ }
+}
+
+void glue(do_stmw_le, MEMSUFFIX) (int src)
+{
+ for (; src < 32; src++, T0 += 4) {
+ glue(st32r, MEMSUFFIX)(T0, ugpr(src));
+ }
+}
+
void glue(do_lsw, MEMSUFFIX) (int dst)
{
uint32_t tmp;
int sh;
-#if 0
- if (loglevel > 0) {
- fprintf(logfile, "%s: addr=0x%08x count=%d reg=%d\n",
- __func__, T0, T1, dst);
- }
-#endif
for (; T1 > 3; T1 -= 4, T0 += 4) {
ugpr(dst++) = glue(ldl, MEMSUFFIX)(T0);
- if (dst == 32)
+ if (unlikely(dst == 32))
dst = 0;
}
- if (T1 > 0) {
+ if (unlikely(T1 != 0)) {
tmp = 0;
for (sh = 24; T1 > 0; T1--, T0++, sh -= 8) {
tmp |= glue(ldub, MEMSUFFIX)(T0) << sh;
@@ -27,18 +85,12 @@ void glue(do_stsw, MEMSUFFIX) (int src)
{
int sh;
-#if 0
- if (loglevel > 0) {
- fprintf(logfile, "%s: addr=0x%08x count=%d reg=%d\n",
- __func__, T0, T1, src);
- }
-#endif
for (; T1 > 3; T1 -= 4, T0 += 4) {
glue(stl, MEMSUFFIX)(T0, ugpr(src++));
- if (src == 32)
+ if (unlikely(src == 32))
src = 0;
}
- if (T1 > 0) {
+ if (unlikely(T1 != 0)) {
for (sh = 24; T1 > 0; T1--, T0++, sh -= 8)
glue(stb, MEMSUFFIX)(T0, (ugpr(src) >> sh) & 0xFF);
}
@@ -49,20 +101,12 @@ void glue(do_lsw_le, MEMSUFFIX) (int dst)
uint32_t tmp;
int sh;
-#if 0
- if (loglevel > 0) {
- fprintf(logfile, "%s: addr=0x%08x count=%d reg=%d\n",
- __func__, T0, T1, dst);
- }
-#endif
for (; T1 > 3; T1 -= 4, T0 += 4) {
- tmp = glue(ldl, MEMSUFFIX)(T0);
- ugpr(dst++) = ((tmp & 0xFF000000) >> 24) | ((tmp & 0x00FF0000) >> 8) |
- ((tmp & 0x0000FF00) << 8) | ((tmp & 0x000000FF) << 24);
- if (dst == 32)
+ ugpr(dst++) = glue(ld32r, MEMSUFFIX)(T0);
+ if (unlikely(dst == 32))
dst = 0;
}
- if (T1 > 0) {
+ if (unlikely(T1 != 0)) {
tmp = 0;
for (sh = 0; T1 > 0; T1--, T0++, sh += 8) {
tmp |= glue(ldub, MEMSUFFIX)(T0) << sh;
@@ -73,28 +117,108 @@ void glue(do_lsw_le, MEMSUFFIX) (int dst)
void glue(do_stsw_le, MEMSUFFIX) (int src)
{
- uint32_t tmp;
int sh;
-#if 0
- if (loglevel > 0) {
- fprintf(logfile, "%s: addr=0x%08x count=%d reg=%d\n",
- __func__, T0, T1, src);
- }
-#endif
for (; T1 > 3; T1 -= 4, T0 += 4) {
- tmp = ((ugpr(src++) & 0xFF000000) >> 24);
- tmp |= ((ugpr(src++) & 0x00FF0000) >> 8);
- tmp |= ((ugpr(src++) & 0x0000FF00) << 8);
- tmp |= ((ugpr(src++) & 0x000000FF) << 24);
- glue(stl, MEMSUFFIX)(T0, tmp);
- if (src == 32)
+ glue(st32r, MEMSUFFIX)(T0, ugpr(src++));
+ if (unlikely(src == 32))
src = 0;
}
- if (T1 > 0) {
+ if (unlikely(T1 != 0)) {
for (sh = 0; T1 > 0; T1--, T0++, sh += 8)
glue(stb, MEMSUFFIX)(T0, (ugpr(src) >> sh) & 0xFF);
}
}
+/* PPC 601 specific instructions (POWER bridge) */
+// XXX: to be tested
+void glue(do_POWER_lscbx, MEMSUFFIX) (int dest, int ra, int rb)
+{
+ int i, c, d, reg;
+
+ d = 24;
+ reg = dest;
+ for (i = 0; i < T1; i++) {
+ c = glue(ldub, MEMSUFFIX)(T0++);
+ /* ra (if not 0) and rb are never modified */
+ if (likely(reg != rb && (ra == 0 || reg != ra))) {
+ ugpr(reg) = (ugpr(reg) & ~(0xFF << d)) | (c << d);
+ }
+ if (unlikely(c == T2))
+ break;
+ if (likely(d != 0)) {
+ d -= 8;
+ } else {
+ d = 24;
+ reg++;
+ reg = reg & 0x1F;
+ }
+ }
+ T0 = i;
+}
+
+/* XXX: TAGs are not managed */
+void glue(do_POWER2_lfq, MEMSUFFIX) (void)
+{
+ FT0 = glue(ldfq, MEMSUFFIX)(T0);
+ FT1 = glue(ldfq, MEMSUFFIX)(T0 + 4);
+}
+
+static inline double glue(ldfqr, MEMSUFFIX) (target_ulong EA)
+{
+ union {
+ double d;
+ uint64_t u;
+ } u;
+
+ u.d = glue(ldfq, MEMSUFFIX)(EA);
+ u.u = ((u.u & 0xFF00000000000000ULL) >> 56) |
+ ((u.u & 0x00FF000000000000ULL) >> 40) |
+ ((u.u & 0x0000FF0000000000ULL) >> 24) |
+ ((u.u & 0x000000FF00000000ULL) >> 8) |
+ ((u.u & 0x00000000FF000000ULL) << 8) |
+ ((u.u & 0x0000000000FF0000ULL) << 24) |
+ ((u.u & 0x000000000000FF00ULL) << 40) |
+ ((u.u & 0x00000000000000FFULL) << 56);
+
+ return u.d;
+}
+
+void glue(do_POWER2_lfq_le, MEMSUFFIX) (void)
+{
+ FT0 = glue(ldfqr, MEMSUFFIX)(T0 + 4);
+ FT1 = glue(ldfqr, MEMSUFFIX)(T0);
+}
+
+void glue(do_POWER2_stfq, MEMSUFFIX) (void)
+{
+ glue(stfq, MEMSUFFIX)(T0, FT0);
+ glue(stfq, MEMSUFFIX)(T0 + 4, FT1);
+}
+
+static inline void glue(stfqr, MEMSUFFIX) (target_ulong EA, double d)
+{
+ union {
+ double d;
+ uint64_t u;
+ } u;
+
+ u.d = d;
+ u.u = ((u.u & 0xFF00000000000000ULL) >> 56) |
+ ((u.u & 0x00FF000000000000ULL) >> 40) |
+ ((u.u & 0x0000FF0000000000ULL) >> 24) |
+ ((u.u & 0x000000FF00000000ULL) >> 8) |
+ ((u.u & 0x00000000FF000000ULL) << 8) |
+ ((u.u & 0x0000000000FF0000ULL) << 24) |
+ ((u.u & 0x000000000000FF00ULL) << 40) |
+ ((u.u & 0x00000000000000FFULL) << 56);
+ glue(stfq, MEMSUFFIX)(EA, u.d);
+}
+
+void glue(do_POWER2_stfq_le, MEMSUFFIX) (void)
+{
+ glue(stfqr, MEMSUFFIX)(T0 + 4, FT0);
+ glue(stfqr, MEMSUFFIX)(T0, FT1);
+}
+
#undef MEMSUFFIX
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-26 02:30:18 +0000