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2014-02-24target-xtensa: add basic checks to icache opcodesMax Filippov1-0/+1
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 Bonzini1-2/+2
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-08target-xtensa: implement ATOMCTL SRMax Filippov1-0/+1
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 Jarno1-8/+8
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 Filippov1-0/+8
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 Filippov1-0/+4
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 Filippov1-0/+7
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 Filippov1-0/+2
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 Filippov1-27/+27
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 Filippov1-8/+8
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 Vilanova1-0/+39
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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