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69 Commits

Author SHA1 Message Date
Richard Henderson
d5dbd6eb38 target-tilegx: Implement system and memory management instructions 
Most of which are either nops or exceptions.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-09-15 07:45:33 -07:00
Richard Henderson
73c543776b target-tilegx: Handle comparison instructions 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-09-15 07:45:33 -07:00
Richard Henderson
e04e98bf27 target-tilegx: Handle conditional branch instructions 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-09-15 07:45:33 -07:00
Richard Henderson
c230a9944d target-tilegx: Handle unconditional jump instructions 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-09-15 07:45:33 -07:00
Richard Henderson
01cd675cfe target-tilegx: Handle post-increment load and store instructions 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-09-15 07:45:33 -07:00
Richard Henderson
0426335d4f target-tilegx: Handle basic load and store instructions 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-09-15 07:45:33 -07:00
Richard Henderson
7f41a8d672 target-tilegx: Handle most bit manipulation instructions 
The crc instructions are omitted from this set.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-09-15 07:45:33 -07:00
Richard Henderson
89b8c7504f target-tilegx: Handle arithmetic instructions 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-09-15 07:45:33 -07:00
Richard Henderson
a9fdfc7e7b target-tilegx: Handle simple logical operations 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-09-15 07:45:32 -07:00
Chen Gang
444e06b172 target-tilegx: Add TILE-Gx building files 
Add related configuration and make files for tilegx.
The target can now build, though not run anything.

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <BLU436-SMTP1588E5A03AD5E94B07E988B9660@phx.gbl>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-09-15 07:45:32 -07:00
Richard Henderson
9b9dc7acec target-tilegx: Generate SEGV properly 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-09-15 07:45:28 -07:00
Richard Henderson
8fd29dd72b target-tilegx: Framework for decoding bundles 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-09-15 07:41:36 -07:00
Chen Gang
5b212be632 target-tilegx: Add several helpers for instructions translation 
The related instructions are exception, cntlz, cnttz, shufflebytes.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Message-Id: <BLU436-SMTP83F96FD8422BE49AFDC9DFB9660@phx.gbl>
[rth: Remove incorrect implementation of add_saturate.]
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-09-15 07:41:36 -07:00
Chen Gang
9f64170df2 target-tilegx: Add cpu basic features for linux-user 
It implements minimized cpu features for linux-user.

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <BLU436-SMTP114819BB03D853801AA9C3CB9660@phx.gbl>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-09-15 07:41:36 -07:00
Chen Gang
b69773a8a7 target-tilegx: Add special register information from Tilera Corporation 
The related copy is from Linux kernel "arch/tile/include/uapi/arch/
spr_def_64.h".

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <BLU436-SMTP1093D605AAE9B4837B564B8B9660@phx.gbl>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-09-15 07:41:35 -07:00
Richard Henderson
4fe221820f target-tilegx: Fix LDNA_ADD_IMM8_OPCODE_X1 
An obvious typo in the mnemonic here.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-09-15 07:41:35 -07:00
Richard Henderson
c6c00e1722 target-tilegx: Modify _SPECIAL_ opcodes 
Both ADDX_SPECIAL_0_OPCODE_Y1 and ADD_SPECIAL_0_OPCODE_Y1
do not appear to be "special" in any way, except that they
don't follow the normal naming convention using _RRR_.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-09-15 07:41:35 -07:00
Chen Gang
2c56c87fcf target-tilegx: Modify opcode_tilegx.h to fit QEMU usage 
Use 'inline' instead of '__inline', and also use 'uint64_t' instead of
"unsigned long long"

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <BLU436-SMTP1945B04384351D5EE7D9DECB9660@phx.gbl>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-09-15 07:41:35 -07:00
Chen Gang
b1406c6c59 target-tilegx: Add opcode basic implementation from Tilera Corporation 
It is copied from Linux kernel "arch/tile/include/uapi/arch/
opcode_tilegx.h".

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <BLU436-SMTP2087FA98B64A20B25155D9AB9660@phx.gbl>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-09-15 07:41:35 -07:00