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2020-03-20linux-user, alpha: add syscall table generation supportLaurent Vivier
Copy syscall.tbl and syscallhdr.sh from linux/arch/alpha/kernel/syscalls v5.5 Update syscallhdr.sh to generate QEMU syscall_nr.h Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Taylor Simpson <tsimpson@quicinc.com> Message-Id: <20200310103403.3284090-3-laurent@vivier.eu> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-02-17linux-user: alpha: Update syscall numbers to kernel 5.5 levelAleksandar Markovic
Update alpha syscall numbers based on Linux kernel v5.5. CC: Richard Henderson <rth@twiddle.net> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <1581596954-2305-2-git-send-email-aleksandar.markovic@rt-rk.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-11-06linux-user/alpha: Set r20 secondary return valueRichard Henderson
This value is not, as far as I know, used by any linux software, but it is set by the kernel and is part of the ABI. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20191106113318.10226-13-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-11-06linux-user: Introduce cpu_clone_regs_parentRichard Henderson
We will need a target-specific hook for adjusting registers in the parent during clone. Add an empty inline function for each target, and invoke it from the proper places. Reviewed-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20191106113318.10226-11-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-11-06linux-user: Rename cpu_clone_regs to cpu_clone_regs_childRichard Henderson
We will need a target-specific hook for adjusting registers in the parent during clone. To avoid confusion, rename the one we have to make it clear it affects the child. At the same time, pass in the flags from the clone syscall. We will need them for correct behaviour for Sparc. Reviewed-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20191106113318.10226-10-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-06-12Supply missing header guardsMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190604181618.19980-5-armbru@redhat.com>
2019-06-12Include qemu-common.h exactly where neededMarkus Armbruster
No header includes qemu-common.h after this commit, as prescribed by qemu-common.h's file comment. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190523143508.25387-5-armbru@redhat.com> [Rebased with conflicts resolved automatically, except for include/hw/arm/xlnx-zynqmp.h hw/arm/nrf51_soc.c hw/arm/msf2-soc.c block/qcow2-refcount.c block/qcow2-cluster.c block/qcow2-cache.c target/arm/cpu.h target/lm32/cpu.h target/m68k/cpu.h target/mips/cpu.h target/moxie/cpu.h target/nios2/cpu.h target/openrisc/cpu.h target/riscv/cpu.h target/tilegx/cpu.h target/tricore/cpu.h target/unicore32/cpu.h target/xtensa/cpu.h; bsd-user/main.c and net/tap-bsd.c fixed up]
2019-06-10target/alpha: Use env_cpu, env_archcpuRichard Henderson
Cleanup in the boilerplate that each target must define. Replace alpha_env_get_cpu with env_archcpu. The combination CPU(alpha_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>
2019-04-18qom/cpu: Simplify how CPUClass:cpu_dump_state() printsMarkus Armbruster
CPUClass method dump_statistics() takes an fprintf()-like callback and a FILE * to pass to it. Most callers pass fprintf() and stderr. log_cpu_state() passes fprintf() and qemu_log_file. hmp_info_registers() passes monitor_fprintf() and the current monitor cast to FILE *. monitor_fprintf() casts it right back, and is otherwise identical to monitor_printf(). The callback gets passed around a lot, which is tiresome. The type-punning around monitor_fprintf() is ugly. Drop the callback, and call qemu_fprintf() instead. Also gets rid of the type-punning, since qemu_fprintf() takes NULL instead of the current monitor cast to FILE *. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20190417191805.28198-15-armbru@redhat.com>
2018-11-12linux-user: Don't call gdb_handlesig() before queue_signal()Peter Maydell
The CPU main-loop routines for linux-user generally call gdb_handlesig() when they're about to queue a SIGTRAP signal. This is wrong, because queue_signal() will cause us to pend a signal, and process_pending_signals() will then call gdb_handlesig() itself. So the effect is that we notify gdb of the SIGTRAP, and then if gdb says "OK, continue with signal X" we will incorrectly notify gdb of the signal X as well. We don't do this double-notify for anything else, only SIGTRAP. Remove this unnecessary and incorrect code from all the targets except for nios2 (whose main loop is doing something different and broken, and will be handled in a separate patch). This bug only manifests if the user responds to the reported SIGTRAP using "signal SIGFOO" rather than "continue"; since the latter is the overwhelmingly common thing to do after a breakpoint most people won't have hit this. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20181019174958.26616-2-peter.maydell@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2018-07-09linux-user: Report error message on stderr, rather than stdoutPhilippe Mathieu-Daudé
Code change produced with: git ls-files linux-user | \ xargs sed -i -E 's/(\s+)printf\s*\(("Unhandled.*)\);/\1fprintf(stderr, \2);/g' Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20180706155127.7483-4-f4bug@amsat.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2018-06-11linux-user/alpha: Fix epoll syscallsRichard Henderson
These were named incorrectly, going so far as to invade strace.list. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20180607184844.30126-2-richard.henderson@linaro.org> [lv: replace tabs by spaces] Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2018-06-04linux-user: move alpha signal definitions to alpha/target_signal.hLaurent Vivier
No code change. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20180529194207.31503-14-laurent@vivier.eu>
2018-06-04linux-user: move get_sp_from_cpustate() to target_cpu.hLaurent Vivier
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>
2018-06-04linux-user: move alpha fcntl definitions to alpha/target_fcntl.hLaurent Vivier
No code change. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180529194207.31503-3-laurent@vivier.eu>
2018-06-04linux-user: move generic fcntl definitions to generic/fcntl.hLaurent Vivier
add a per target target_fcntl.h and include the generic one from them No code change. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20180529194207.31503-2-laurent@vivier.eu>
2018-05-25linux-user: define TARGET_SO_REUSEPORTLaurent Vivier
Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20180519092956.15134-9-laurent@vivier.eu>
2018-05-25linux-user: update ARCH_HAS_SOCKET_TYPES useLaurent Vivier
to be like in the kernel and rename it TARGET_ARCH_HAS_SOCKET_TYPES Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20180519092956.15134-7-laurent@vivier.eu>
2018-05-25linux-user: move alpha socket.h definitions to alpha/sockbits.hLaurent Vivier
No code change. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20180519092956.15134-3-laurent@vivier.eu>
2018-05-03linux-user: introduce target_sigsp() and target_save_altstack()Laurent Vivier
Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180411192347.30228-1-laurent@vivier.eu>
2018-04-30linux-user: move alpha cpu loop to alpha directoryLaurent Vivier
No code change, only move code from main.c to alpha/cpu_loop.c. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20180411185651.21351-15-laurent@vivier.eu>
2018-04-30linux-user: create a dummy per arch cpu_loop.cLaurent Vivier
Create a cpu_loop-common.h for future use by these new files and use it in the existing main.c Introduce target_cpu_copy_regs(): declare the function in cpu_loop-common.h and an empty function for each target, to move all the cpu_loop prologues to this function. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180411185651.21351-2-laurent@vivier.eu>
2018-04-30linux-user: define TARGET_ARCH_HAS_SETUP_FRAMELaurent Vivier
Instead of calling setup_frame() conditionally to a list of known targets, define TARGET_ARCH_HAS_SETUP_FRAME if the target provides the function and call it only if the macro is defined. Move declarations of setup_frame() and setup_rt_frame() to linux-user/signal-common.h Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180424192635.6027-21-laurent@vivier.eu>
2018-04-30linux-user: move alpha signal.c parts to alpha directoryLaurent Vivier
No code change, only move code from signal.c to alpha/signal.c, except adding includes and exporting setup_frame() and setup_rt_frame(). Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180424192635.6027-12-laurent@vivier.eu>
2018-04-30linux-user: create a dummy per arch signal.cLaurent Vivier
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>
2018-02-25linux-user: Move CPU type name selection to a functionLaurent Vivier
Instead of a sequence of "#if ... #endif" move the selection to a function in linux-user/*/target_elf.h We can't add them in linux-user/*/target_cpu.h because we will need to include "elf.h" to use ELF flags with eflags, and including "elf.h" in "target_cpu.h" introduces some conflicts in elfload.c Suggested-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20180220173307.25125-2-laurent@vivier.eu>
2018-02-18linux-user: Implement ioctl cmd TIOCGPTPEERAndreas Schwab
With glibc 2.27 the openpty function prefers the TIOCGPTPEER ioctl. Signed-off-by: Andreas Schwab <schwab@suse.de> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <mvmbmhdosb9.fsf_-_@suse.de> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2017-01-22linux-user: Handle ERFKILL and EHWPOISONRichard Henderson
With definitions for generic, alpha and mips taken from 4.9-rc2. Signed-off-by: Richard Henderson <rth@twiddle.net>
2016-07-12linux-user: Clean up target_structs.h header guardsMarkus Armbruster
These headers all use TARGET_STRUCTS_H as header guard symbol. Reuse of the same guard symbol in multiple headers is okay as long as they cannot be included together. Since we can avoid guard symbol reuse easily, do so: use guard symbol $target_TARGET_STRUCTS_H for linux-user/$target/target_structs.h. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
2016-07-12linux-user: Clean up target_signal.h header guardsMarkus Armbruster
These headers all use TARGET_SIGNAL_H as header guard symbol. Reuse of the same guard symbol in multiple headers is okay as long as they cannot be included together. Since we can avoid guard symbol reuse easily, do so: use guard symbol $target_TARGET_SIGNAL_H for linux-user/$target/target_signal.h. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
2016-07-12linux-user: Clean up target_cpu.h header guardsMarkus Armbruster
These headers all use TARGET_CPU_H as header guard symbol. Reuse of the same guard symbol in multiple headers is okay as long as they cannot be included together. Since we can avoid guard symbol reuse easily, do so: use guard symbol $target_TARGET_CPU_H for linux-user/$target/target_cpu.h. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
2016-07-12linux-user: Clean up target_syscall.h header guardsMarkus Armbruster
Some of them use guard symbol TARGET_SYSCALL_H, but we also have CRIS_SYSCALL_H, MICROBLAZE_SYSCALLS_H, TILEGX_SYSCALLS_H and __UC32_SYSCALL_H__. They all upset scripts/clean-header-guards.pl. Reuse of the same guard symbol TARGET_SYSCALL_H in multiple headers is okay as long as they cannot be included together. The script can't tell, so it warns. The script dislikes the other guard symbols, too. They don't match their file name (they should, to make guard collisions less likely), and __UC32_SYSCALL_H__ is a reserved identifier. Clean them all up: use guard symbol $target_TARGET_SYSCALL_H for linux-user/$target/target_sycall.h. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
2016-05-27linux-user: Support for restarting system calls for Alpha targetsTimothy E Baldwin
Update the Alpha main loop and sigreturn code: * on TARGET_ERESTARTSYS, wind guest PC backwards to repeat syscall insn * handle TARGET_QEMU_ESIGRETURN in the main loop as the indication that the main loop should not touch any guest CPU state Signed-off-by: Timothy Edward Baldwin <T.E.Baldwin99@members.leeds.ac.uk> Message-id: 1441497448-32489-13-git-send-email-T.E.Baldwin99@members.leeds.ac.uk Reviewed-by: Peter Maydell <peter.maydell@linaro.org> [PMM: tweak commit message; drop TARGET_USE_ERESTARTSYS define; PC is env->pc, not env->ir[IR_PV]] Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2016-02-23linux-user: sync syscall numbers with kernelRiku Voipio
Sync syscall numbers to match the linux v4.5-rc1 kernel. Reviewed-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2016-02-23build: [linux-user] Rename "syscall.h" to "target_syscall.h" in target ↵Lluís Vilanova
directories This fixes double-definitions in linux-user builds when using the UST tracing backend (which indirectly includes the system's "syscall.h"). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2015-01-27linux-user/alpha: Add define for NR_shmat to enable shmat syscallPeter Maydell
For historical reasons, the define for the shmat() syscall on Alpha is NR_osf_shmat; however it has the same semantics as this syscall does on all other architectures, so define TARGET_NR_shmat as well so that QEMU's code for the syscall is enabled. This patch brings our behaviour on the LTP shmat tests into line with that for ARM (still not a perfect pass rate but not "this syscall is completely broken" as we had before). (Problem detected via a clang warning that the do_shmat() function was unused on Alpha.) Cc: Richard Henderson <rth@twiddle.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-08-22linux-user: Support target-to-host translation of mlockall argumentTom Musta
The argument to the mlockall system call is not necessarily the same on all platforms and thus may require translation prior to passing to the host. For example, PowerPC 64 bit platforms define values for MCL_CURRENT (0x2000) and MCL_FUTURE (0x4000) which are different from Intel platforms (0x1 and 0x2, respectively) Signed-off-by: Tom Musta <tommusta@gmail.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-08-22linux-user: Minimum Sig Handler Stack Size for PPC64 ELF V2Tom Musta
The ELF V2 ABI for PPC64 defines MINSIGSTKSZ as 4096 bytes whereas it was 2048 previously. Signed-off-by: Tom Musta <tommusta@gmail.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-03-10linux-user: set minimum kernel version to 2.6.32Riku Voipio
Popular glibc based distributions[1] require minimum 2.6.32 as kernel version. For some targets 2.6.18 would be enough, but dropping so low would mean some suboptimal system calls could get used. Set the minimum kernel advertized to 2.6.32 for all architectures but aarch64 to ensure working qemu linux-user in case host kernel is older. [1] https://bugs.launchpad.net/ubuntu/+source/eglibc/+bug/921078 Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-02-18linux-user: sync syscall numbers upto 3.13Riku Voipio
All others updated except unicore, which doesn't look right to begin with. Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-11-29linux-user: create target_structs header to place ipc_perm and shmid_dsPetar Jovanovic
Creating target_structs header in linux-user/$arch/ and making target_ipc_perm and target_shmid_ds its first inhabitants. The struct defintions may/should be further fine-tuned by arch maintainers. Signed-off-by: Petar Jovanovic <petar.jovanovic@imgtec.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-09-24alpha-linux-user: Fix umount syscall numbersRichard Henderson
It has been pointed out on LKML that the alpha umount syscall numbers are named wrong, and a patch to rectify that has been posted for 3.11. Glibc works around this by treating NR_umount as NR_umount2 if NR_oldumount exists. That's more complicated than we need in QEMU, given that we control linux-user/*/syscall_nr.h. This is the last instance of TARGET_NR_oldumount, so delete that from the strace.list. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-07-09linux-user: Move cpu_clone_regs() and cpu_set_tls() into linux-userPeter Maydell
The functions cpu_clone_regs() and cpu_set_tls() are not purely CPU related -- they are specific to the TLS ABI for a a particular OS. Move them into the linux-user/ tree where they belong. target-lm32 had entirely unused implementations, since it has no linux-user target; just drop them. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Acked-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Andreas Färber <afaerber@suse.de>
2012-10-12alpha-linux-user: Fix sigaltstack structure definitionRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2012-08-04alpha-linux-user: Properly handle the non-rt sigprocmask syscall.Richard Henderson
Name the syscall properly for QEMU, kernel source notwithstanding. Fix syntax errors in the code thus enabled within do_syscall. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2011-07-11linux-user: Add syscall numbers from kernel 2.6.39.2Peter Maydell
Add syscall numbers for new syscall numbers; this brings us into line with Linux 2.6.39.2. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2011-04-26linux-user: untie syscalls from UID16Riku Voipio
Quite a number of uid/gid related syscalls are only defined on systems with USE_UID16 defined. This is apperently based on the idea that these system calls would never be called on non-UID16 systems. Make these syscalls available for all architectures that define them. drop alpha hack to support selected UID16 syscalls. MIPS and PowerPC were also defined as UID16, to get uid/gid syscalls available, drop this error as well. Change QEMU to reflect this. Cc: Ulrich Hecht <uli@suse.de> Cc: Richard Henderson <rth@twiddle.net> Cc: Alexander Graf <agraf@suse.de> Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
2010-02-28alpha-linux-user: Implement signals.Richard Henderson
Move userland PALcode handling into linux-user main loop so that we can send signals from there. This also makes alpha_palcode.c system-level only, so don't build it for userland. Add defines for GENTRAP PALcall mapping to signals. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-21linux-user: Add aliases for some Alpha syscallsRichard Henderson
Alpha always used 32-bit uids, but never renamed the syscalls to match i386 when 32-bit uids were added there. This enables the proper bits in syscall.c. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13target-alpha: Fixes for alpha-linux syscalls.Richard Henderson
1. Add correct definitions of error numbers. 2. Implement SYS_osf_sigprocmask 3. Implement SYS_osf_get/setsysinfo for IEEE_FP_CONTROL. This last requires exposing the FPCR value to do_syscall. Since this value is actually split up into the float_status, expose routines from helper.c to access it. Finally, also add a float_exception_mask field to float_status. We don't actually use it to control delivery of exceptions to the emulator yet, but simply hold the value that we placed there when loading/storing the FPCR. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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