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* linux-user: Pass CPUArchState to target_restore_altstackRichard Henderson2021-05-151-1/+1
| | | | | | | | | | | | | In most cases we were already passing get_sp_from_cpustate directly to the function. In other cases, we were passing a local variable which already contained the same value. In the rest of the cases, we were passing the stack pointer out of env directly. Reviewed by: Warner Losh <imp@bsdimp.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210426025334.1168495-5-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
* linux-user: Use target_restore_altstack in all sigreturnRichard Henderson2021-05-151-5/+1Star
| | | | | | | | | | | | Note that target_restore_altstack uses the host memory pointer that we have already verified, so TARGET_EFAULT is not a possible return value. Note that using -EFAULT was a bug. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210426025334.1168495-3-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
* linux-user/microblaze: Remove non-rt signal framesRichard Henderson2020-10-151-95/+2Star
| | | | | | | | | The microblaze kernel does not support these, and uses only rt style signal frames. Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* linux-user/microblaze: Implement rt signal framesRichard Henderson2020-10-151-9/+82
| | | | | | | | Allows microblaze to pass tests/tcg/multiarch/linux-test.c. Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* target/microblaze: Split out PC from env->sregsRichard Henderson2020-09-011-4/+4
| | | | | | | | | Begin eliminating the sregs array in favor of individual members. Does not correct the width of pc, yet. Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* linux-user: Do not report "syscall not implemented" by defaultPhilippe Mathieu-Daudé2018-07-091-2/+2
| | | | | | | | | | | | | This can still be reported using the "-d unimp" command line option. Code change produced with: git ls-files linux-user | \ xargs sed -i -E 's/fprintf\(stderr,\s?(".*not implemented\\n")\);/qemu_log_mask(LOG_UNIMP, \1);/g' Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20180706155127.7483-3-f4bug@amsat.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
* linux-user: move get_sp_from_cpustate() to target_cpu.hLaurent Vivier2018-06-041-1/+0Star
| | | | | | | | | Remove useless includes Fix HPPA include guard. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180529194207.31503-9-laurent@vivier.eu>
* linux-user: introduce target_sigsp() and target_save_altstack()Laurent Vivier2018-05-031-3/+1Star
| | | | | | Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180411192347.30228-1-laurent@vivier.eu>
* linux-user: move microblaze signal.c parts to microblaze directoryLaurent Vivier2018-04-301-0/+230
| | | | | | | | | | | No code change, only move code from signal.c to microblaze/signal.c, except adding includes and exporting setup_frame() and setup_rt_frame(). Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180424192635.6027-6-laurent@vivier.eu>
* linux-user: create a dummy per arch signal.cLaurent Vivier2018-04-301-0/+18
Create a signal-common.h for future use by these new files and use it in the existing signal.c Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180424192635.6027-2-laurent@vivier.eu>
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