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path: root/target-xtensa/helper.h
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2014-12-17target-xtensa: record available window in TB flagsMax Filippov
Record last valid 4-register window pane number in TB flags so that a window overflow exception throw point is known at the translation time. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-05-28tcg: Invert the inclusion of helper.hRichard Henderson
Rather than include helper.h with N values of GEN_HELPER, include a secondary file that sets up the macros to include helper.h. This minimizes the files that must be rebuilt when changing the macros for file N. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-02-24target-xtensa: add basic checks to icache opcodesMax Filippov
Check privilege level for privileged instructions (IHU, III, IIU and IPFL are privileged), memory accessibility for instructions that reference memory (IH* and IPFL) and windowed register validity for all instruction cache instructions. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2012-12-19exec: move include files to include/exec/Paolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-08target-xtensa: implement ATOMCTL SRMax Filippov
ATOMCTL SR controls s32c1i opcode behavior depending on targeted memory type. See ISA, 4.3.12.4 for details. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-10-28target-xtensa: rename helper flagsAurelien Jarno
Rename helper flags to the new ones. This is purely a mechanical change, it's possible to use better flags by looking at the helpers. Cc: Max Filippov <jcmvbkbc@gmail.com> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-09-22target-xtensa: implement FP1 groupMax Filippov
These are comparison and conditional move opcodes. See ISA, 4.3.10 for more details. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-09-22target-xtensa: implement FP0 conversionsMax Filippov
These are FP to integer and integer to FP conversion opcodes. See ISA, 4.3.10 for more details. Note that ISA description for utrunc.s is currently incorrect and will be fixed in future revisions. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-09-22target-xtensa: implement FP0 arithmeticMax Filippov
These are FP arithmetic opcodes. See ISA, 4.3.10 for more details. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-09-22target-xtensa: add FP registersMax Filippov
There are 16 32-bit FP registers (f0 - f15), control and status user registers (fcr, fsr). See ISA, 4.3.10 for more details. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-06-10target-xtensa: switch to AREG0-free modeMax Filippov
Add env parameter to every helper function that needs it, update 'configure' script. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-06-10target-xtensa: add attributes to helper functionsMax Filippov
Mark exception generating functions 'noreturn' and pure constant functions as such. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-04-14target-xtensa: Move helpers.h to helper.hLluís Vilanova
Provides a file naming scheme consistent with other targets. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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