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2019-07-08target/arm/vfp_helper: Call set_fpscr_to_host before updating to FPSCRPhilippe Mathieu-Daudé
In commit e9d652824b0 we extracted the vfp_set_fpscr_to_host() function but failed at calling it in the correct place, we call it after xregs[ARM_VFP_FPSCR] is modified. Fix by calling this function before we update FPSCR. Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com> Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com> Message-id: 20190705124318.1075-1-philmd@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-07-01target/arm/vfp_helper: Restrict the SoftFloat use to TCGPhilippe Mathieu-Daudé
This code is specific to the SoftFloat floating-point implementation, which is only used by TCG. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20190701132516.26392-18-philmd@redhat.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-07-01target/arm/vfp_helper: Extract vfp_set_fpscr_from_host()Philippe Mathieu-Daudé
The vfp_set_fpscr() helper contains code specific to the host floating point implementation (here the SoftFloat library). Extract this code to vfp_set_fpscr_from_host(). Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20190701132516.26392-17-philmd@redhat.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-07-01target/arm/vfp_helper: Extract vfp_set_fpscr_to_host()Philippe Mathieu-Daudé
The vfp_set_fpscr() helper contains code specific to the host floating point implementation (here the SoftFloat library). Extract this code to vfp_set_fpscr_to_host(). Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20190701132516.26392-16-philmd@redhat.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-07-01target/arm/vfp_helper: Move code aroundPhilippe Mathieu-Daudé
To ease the review of the next commit, move the vfp_exceptbits_to_host() function directly after vfp_exceptbits_from_host(). Amusingly the diff shows we are moving vfp_get_fpscr(). Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20190701132516.26392-15-philmd@redhat.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-07-01target/arm: Fix coding style issuesPhilippe Mathieu-Daudé
Since we'll move this code around, fix its style first. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20190701132516.26392-9-philmd@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-07-01target/arm: Fix multiline comment syntaxPhilippe Mathieu-Daudé
Since commit 8c06fbdf36b checkpatch.pl enforce a new multiline comment syntax. Since we'll move this code around, fix its style first. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20190701132516.26392-8-philmd@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-06-10target/arm: Use env_cpu, env_archcpuRichard Henderson
Cleanup in the boilerplate that each target must define. Replace arm_env_get_cpu with env_archcpu. The combination CPU(arm_env_get_cpu) should have used ENV_GET_CPU to begin; use env_cpu now. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-04-29target/arm: Make sure M-profile FPSCR RES0 bits are not settablePeter Maydell
Enforce that for M-profile various FPSCR bits which are RES0 there but have defined meanings on A-profile are never settable. This ensures that M-profile code can't enable the A-profile behaviour (notably vector length/stride handling) by accident. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190416125744.27770-2-peter.maydell@linaro.org
2019-03-05target/arm: Implement ARMv8.5-FRINTRichard Henderson
Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190301200501.16533-11-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-21target/arm: Implement ARMv8.3-JSConvRichard Henderson
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190215192302.27855-5-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> [PMM: fixed a couple of comment typos] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-21target/arm: Split out vfp_helper.cRichard Henderson
Move all of the fp helpers out of helper.c into a new file. This is code movement only. Since helper.c has no copyright header, take the one from cpu.h for the new file. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190215192302.27855-3-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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