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-rw-r--r--gcc-4.9/libgcc/config/mep/lib1funcs.S125
-rw-r--r--gcc-4.9/libgcc/config/mep/lib2funcs.c139
-rw-r--r--gcc-4.9/libgcc/config/mep/t-mep16
-rw-r--r--gcc-4.9/libgcc/config/mep/tramp.c103
4 files changed, 383 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/config/mep/lib1funcs.S b/gcc-4.9/libgcc/config/mep/lib1funcs.S
new file mode 100644
index 000000000..56fc1840f
--- /dev/null
+++ b/gcc-4.9/libgcc/config/mep/lib1funcs.S
@@ -0,0 +1,125 @@
+/* libgcc routines for Toshiba Media Processor.
+ Copyright (C) 2001-2014 Free Software Foundation, Inc.
+
+This file is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 3 of the License, or (at your
+option) any later version.
+
+This file 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
+General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#define SAVEALL \
+ add3 $sp, $sp, -16*4 ; \
+ sw $0, ($sp) ; \
+ sw $1, 4($sp) ; \
+ sw $2, 8($sp) ; \
+ sw $3, 12($sp) ; \
+ sw $4, 16($sp) ; \
+ sw $5, 20($sp) ; \
+ sw $6, 24($sp) ; \
+ sw $7, 28($sp) ; \
+ sw $8, 32($sp) ; \
+ sw $9, 36($sp) ; \
+ sw $10, 40($sp) ; \
+ sw $11, 44($sp) ; \
+ sw $12, 48($sp) ; \
+ sw $13, 52($sp) ; \
+ sw $14, 56($sp) ; \
+ ldc $5, $lp ; \
+ add $5, 3 ; \
+ mov $6, -4 ; \
+ and $5, $6
+
+#define RESTOREALL \
+ stc $5, $lp ; \
+ lw $14, 56($sp) ; \
+ lw $13, 52($sp) ; \
+ lw $12, 48($sp) ; \
+ lw $11, 44($sp) ; \
+ lw $10, 40($sp) ; \
+ lw $9, 36($sp) ; \
+ lw $8, 32($sp) ; \
+ lw $7, 28($sp) ; \
+ lw $6, 24($sp) ; \
+ lw $5, 20($sp) ; \
+ lw $4, 16($sp) ; \
+ lw $3, 12($sp) ; \
+ lw $2, 8($sp) ; \
+ lw $1, 4($sp) ; \
+ lw $0, ($sp) ; \
+ add3 $sp, $sp, 16*4 ; \
+ ret
+
+#ifdef L_mep_profile
+ .text
+ .global __mep_mcount
+__mep_mcount:
+ SAVEALL
+ ldc $1, $lp
+ mov $2, $0
+ bsr __mep_mcount_2
+ RESTOREALL
+#endif
+
+#ifdef L_mep_bb_init_trace
+ .text
+ .global __mep_bb_init_trace_func
+__mep_bb_init_trace_func:
+ SAVEALL
+ lw $1, ($5)
+ lw $2, 4($5)
+ add $5, 8
+ bsr __bb_init_trace_func
+ RESTOREALL
+#endif
+
+#ifdef L_mep_bb_init
+ .text
+ .global __mep_bb_init_func
+__mep_bb_init_func:
+ SAVEALL
+ lw $1, ($5)
+ add $5, 4
+ bsr __bb_init_func
+ RESTOREALL
+#endif
+
+#ifdef L_mep_bb_trace
+ .text
+ .global __mep_bb_trace_func
+__mep_bb_trace_func:
+ SAVEALL
+ movu $3, __bb
+ lw $1, ($5)
+ sw $1, ($3)
+ lw $2, 4($5)
+ sw $2, 4($3)
+ add $5, 8
+ bsr __bb_trace_func
+ RESTOREALL
+#endif
+
+#ifdef L_mep_bb_increment
+ .text
+ .global __mep_bb_increment_func
+__mep_bb_increment_func:
+ SAVEALL
+ lw $1, ($5)
+ lw $0, ($1)
+ add $0, 1
+ sw $0, ($1)
+ add $5, 4
+ RESTOREALL
+#endif
diff --git a/gcc-4.9/libgcc/config/mep/lib2funcs.c b/gcc-4.9/libgcc/config/mep/lib2funcs.c
new file mode 100644
index 000000000..3be913219
--- /dev/null
+++ b/gcc-4.9/libgcc/config/mep/lib2funcs.c
@@ -0,0 +1,139 @@
+/* libgcc routines for MeP.
+ Copyright (C) 2001-2014 Free Software Foundation, Inc.
+
+This file is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 3 of the License, or (at your
+option) any later version.
+
+This file 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
+General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+typedef int SItype __attribute__ ((mode (SI)));
+typedef unsigned int USItype __attribute__ ((mode (SI)));
+
+typedef int word_type __attribute__ ((mode (__word__)));
+
+USItype
+__mulsi3 (USItype a, USItype b)
+{
+ USItype c = 0;
+
+ while (a != 0)
+ {
+ if (a & 1)
+ c += b;
+ a >>= 1;
+ b <<= 1;
+ }
+
+ return c;
+}
+
+
+
+USItype
+udivmodsi4(USItype num, USItype den, word_type modwanted)
+{
+ USItype bit = 1;
+ USItype res = 0;
+
+ while (den < num && bit && !(den & (1L<<31)))
+ {
+ den <<=1;
+ bit <<=1;
+ }
+ while (bit)
+ {
+ if (num >= den)
+ {
+ num -= den;
+ res |= bit;
+ }
+ bit >>=1;
+ den >>=1;
+ }
+ if (modwanted) return num;
+ return res;
+}
+
+
+
+SItype
+__divsi3 (SItype a, SItype b)
+{
+ word_type neg = 0;
+ SItype res;
+
+ if (a < 0)
+ {
+ a = -a;
+ neg = !neg;
+ }
+
+ if (b < 0)
+ {
+ b = -b;
+ neg = !neg;
+ }
+
+ res = udivmodsi4 (a, b, 0);
+
+ if (neg)
+ res = -res;
+
+ return res;
+}
+
+
+
+SItype
+__modsi3 (SItype a, SItype b)
+{
+ word_type neg = 0;
+ SItype res;
+
+ if (a < 0)
+ {
+ a = -a;
+ neg = 1;
+ }
+
+ if (b < 0)
+ b = -b;
+
+ res = udivmodsi4 (a, b, 1);
+
+ if (neg)
+ res = -res;
+
+ return res;
+}
+
+
+
+
+SItype
+__udivsi3 (SItype a, SItype b)
+{
+ return udivmodsi4 (a, b, 0);
+}
+
+
+
+SItype
+__umodsi3 (SItype a, SItype b)
+{
+ return udivmodsi4 (a, b, 1);
+}
diff --git a/gcc-4.9/libgcc/config/mep/t-mep b/gcc-4.9/libgcc/config/mep/t-mep
new file mode 100644
index 000000000..fb3a0d60c
--- /dev/null
+++ b/gcc-4.9/libgcc/config/mep/t-mep
@@ -0,0 +1,16 @@
+# profiling support
+LIB1ASMSRC = mep/lib1funcs.S
+
+LIB1ASMFUNCS = _mep_profile \
+ _mep_bb_init_trace \
+ _mep_bb_init \
+ _mep_bb_trace \
+ _mep_bb_increment
+
+# multiply and divide routines
+LIB2ADD = \
+ $(srcdir)/config/mep/lib2funcs.c \
+ $(srcdir)/config/mep/tramp.c
+
+# Use -O0 instead of -O2 so we don't get complex relocations
+CRTSTUFF_CFLAGS += -O0
diff --git a/gcc-4.9/libgcc/config/mep/tramp.c b/gcc-4.9/libgcc/config/mep/tramp.c
new file mode 100644
index 000000000..4b294c6df
--- /dev/null
+++ b/gcc-4.9/libgcc/config/mep/tramp.c
@@ -0,0 +1,103 @@
+/* Trampoline support for MeP
+ Copyright (C) 2004-2014 Free Software Foundation, Inc.
+ Contributed by Red Hat Inc.
+
+This file is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 3 of the License, or (at your
+option) any later version.
+
+This file 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
+General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+/*
+ 7a0a ldc $10,$pc
+ c0ae000a lw $0,10($10)
+ caae000e lw $10,14($10)
+ 10ae jmp $10
+ 00000000 static chain
+ 00000000 function address
+*/
+
+static inline int
+cache_config_register(void) {
+ int rv;
+ asm ("ldc\t%0, $ccfg" : "=r" (rv));
+ return rv;
+}
+
+#define ICACHE_SIZE ((cache_config_register() >> 16) & 0x7f)
+#define DCACHE_SIZE (cache_config_register() & 0x7f)
+
+#define ICACHE_DATA_BASE 0x00300000
+#define ICACHE_TAG_BASE 0x00310000
+#define DCACHE_DATA_BASE 0x00320000
+#define DCACHE_TAG_BASE 0x00330000
+
+static inline void
+flush_dcache (int addr)
+{
+ asm volatile ("cache\t0, (%0)" : : "r" (addr));
+}
+
+void
+__mep_trampoline_helper (unsigned long *tramp,
+ int function_address,
+ int static_chain);
+
+void
+__mep_trampoline_helper (unsigned long *tramp,
+ int function_address,
+ int static_chain)
+{
+ int dsize, isize;
+
+#ifdef __LITTLE_ENDIAN__
+ tramp[0] = 0xc0ae7a0a;
+ tramp[1] = 0xcaae000a;
+ tramp[2] = 0x10ae000e;
+#else
+ tramp[0] = 0x7a0ac0ae;
+ tramp[1] = 0x000acaae;
+ tramp[2] = 0x000e10ae;
+#endif
+ tramp[3] = static_chain;
+ tramp[4] = function_address;
+
+ dsize = DCACHE_SIZE;
+ isize = ICACHE_SIZE;
+
+ if (dsize)
+ {
+ flush_dcache ((int)tramp);
+ flush_dcache ((int)tramp+16);
+ }
+
+ if (isize)
+ {
+ int imask = (isize * 1024) - 1;
+ int tmask = ~imask;
+ unsigned int i;
+ volatile unsigned int *tags;
+
+ imask &= 0xffe0;
+
+ for (i=(unsigned int)tramp; i<(unsigned int)tramp+20; i+=16)
+ {
+ tags = (unsigned int *)(ICACHE_TAG_BASE + (i & imask));
+ if ((*tags & tmask) == (i & tmask))
+ *tags &= ~1;
+ }
+ }
+}
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