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author | Yongbok Kim <yongbok.kim@imgtec.com> | 2014-11-01 05:28:41 +0000 |
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committer | Leon Alrae <leon.alrae@imgtec.com> | 2014-11-03 11:48:35 +0000 |
commit | 42daa9bed40baaec86329e72768f310b8ca9b601 (patch) | |
tree | 8094e716050cfb15d24a0c395c6d1ecf34e2d865 /target-mips | |
parent | 863f264d10f917a8c3b2f8f6c3f78d0189fa48e7 (diff) | |
download | hqemu-42daa9bed40baaec86329e72768f310b8ca9b601.zip hqemu-42daa9bed40baaec86329e72768f310b8ca9b601.tar.gz |
target-mips: add msa_helper.c
add msa_helper.c
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Reviewed-by: Leon Alrae <leon.alrae@imgtec.com>
Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Diffstat (limited to 'target-mips')
-rw-r--r-- | target-mips/Makefile.objs | 2 | ||||
-rw-r--r-- | target-mips/msa_helper.c | 49 |
2 files changed, 50 insertions, 1 deletions
diff --git a/target-mips/Makefile.objs b/target-mips/Makefile.objs index 716244f..108fd9b 100644 --- a/target-mips/Makefile.objs +++ b/target-mips/Makefile.objs @@ -1,4 +1,4 @@ obj-y += translate.o dsp_helper.o op_helper.o lmi_helper.o helper.o cpu.o -obj-y += gdbstub.o +obj-y += gdbstub.o msa_helper.o obj-$(CONFIG_SOFTMMU) += machine.o obj-$(CONFIG_KVM) += kvm.o diff --git a/target-mips/msa_helper.c b/target-mips/msa_helper.c new file mode 100644 index 0000000..b65fb27 --- /dev/null +++ b/target-mips/msa_helper.c @@ -0,0 +1,49 @@ +/* + * MIPS SIMD Architecture Module Instruction emulation helpers for QEMU. + * + * Copyright (c) 2014 Imagination Technologies + * + * 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, see <http://www.gnu.org/licenses/>. + */ + +#include "cpu.h" +#include "exec/helper-proto.h" + +/* Data format min and max values */ +#define DF_BITS(df) (1 << ((df) + 3)) + +#define DF_MAX_INT(df) (int64_t)((1LL << (DF_BITS(df) - 1)) - 1) +#define M_MAX_INT(m) (int64_t)((1LL << ((m) - 1)) - 1) + +#define DF_MIN_INT(df) (int64_t)(-(1LL << (DF_BITS(df) - 1))) +#define M_MIN_INT(m) (int64_t)(-(1LL << ((m) - 1))) + +#define DF_MAX_UINT(df) (uint64_t)(-1ULL >> (64 - DF_BITS(df))) +#define M_MAX_UINT(m) (uint64_t)(-1ULL >> (64 - (m))) + +#define UNSIGNED(x, df) ((x) & DF_MAX_UINT(df)) +#define SIGNED(x, df) \ + ((((int64_t)x) << (64 - DF_BITS(df))) >> (64 - DF_BITS(df))) + +/* Element-by-element access macros */ +#define DF_ELEMENTS(df) (MSA_WRLEN / DF_BITS(df)) + +static inline void msa_move_v(wr_t *pwd, wr_t *pws) +{ + uint32_t i; + + for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { + pwd->d[i] = pws->d[i]; + } +} |