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| author | Peter Maydell <peter.maydell@linaro.org> | 2019-09-12 16:17:26 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2019-09-12 16:17:26 +0100 |
| commit | a30cb4b1f22c58aa3b933ee9e1d7611399b57b5b (patch) | |
| tree | f31eb44f95cfcee9525b4ba0a9fd5656c3ed6041 /linux-user/xtensa/signal.c | |
| parent | 6d2fdde42c3344099262431df6a3f429c509291d (diff) | |
| parent | 5eea942900536b76ad13bef35e1d8f276566ae9e (diff) | |
| download | qemu-a30cb4b1f22c58aa3b933ee9e1d7611399b57b5b.zip qemu-a30cb4b1f22c58aa3b933ee9e1d7611399b57b5b.tar.gz qemu-a30cb4b1f22c58aa3b933ee9e1d7611399b57b5b.tar.bz2 | |
Merge remote-tracking branch 'remotes/vivier2/tags/linux-user-for-4.2-pull-request' into staging
Add several floppy drive ioctl,
xtensa call0 ABI support, arm MAX_RESERVED_VA for M-profile,
aarch64 AT_HWCAP2, qOffsets' query for ELF, memfd_create,
and some code cleanup
# gpg: Signature made Wed 11 Sep 2019 07:48:45 BST
# gpg: using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg: issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C
* remotes/vivier2/tags/linux-user-for-4.2-pull-request:
linux-user: Add support for FDRESET, FDRAWCMD, FDTWADDLE, and FDEJECT ioctls
linux-user: Add support for FDMSGON and FDMSGOFF ioctls
linux-user: Add support for FDFLUSH ioctl
linux-user: Add support for FIOGETOWN and FIOSETOWN ioctls
linux-user: Add support for RNDRESEEDCRNG ioctl
linux-user: drop redundant handling of environment variables
target/xtensa: linux-user: add call0 ABI support
linux-user: Support gdb 'qOffsets' query for ELF
linux-user/arm: Adjust MAX_RESERVED_VA for M-profile
linux-user: Pass CPUState to MAX_RESERVED_VA
linux-user: add memfd_create
linux-user: fail and report on bad dfilter specs
linux-user: erroneous fd_trans_unregister call
linux-user: Add AT_HWCAP2 for aarch64-linux-user
linux-user: remove useless variable
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'linux-user/xtensa/signal.c')
| -rw-r--r-- | linux-user/xtensa/signal.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/linux-user/xtensa/signal.c b/linux-user/xtensa/signal.c index 8d54ef3..590f031 100644 --- a/linux-user/xtensa/signal.c +++ b/linux-user/xtensa/signal.c @@ -134,6 +134,8 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, abi_ulong frame_addr; struct target_rt_sigframe *frame; uint32_t ra; + bool abi_call0; + unsigned base; int i; frame_addr = get_sigframe(ka, env, sizeof(*frame)); @@ -182,20 +184,27 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, __put_user(0x00, &frame->retcode[5]); #endif } - env->sregs[PS] = PS_UM | (3 << PS_RING_SHIFT); - if (xtensa_option_enabled(env->config, XTENSA_OPTION_WINDOWED_REGISTER)) { - env->sregs[PS] |= PS_WOE | (1 << PS_CALLINC_SHIFT); - } memset(env->regs, 0, sizeof(env->regs)); env->pc = ka->_sa_handler; env->regs[1] = frame_addr; env->sregs[WINDOW_BASE] = 0; env->sregs[WINDOW_START] = 1; - env->regs[4] = (ra & 0x3fffffff) | 0x40000000; - env->regs[6] = sig; - env->regs[7] = frame_addr + offsetof(struct target_rt_sigframe, info); - env->regs[8] = frame_addr + offsetof(struct target_rt_sigframe, uc); + abi_call0 = (env->sregs[PS] & PS_WOE) == 0; + env->sregs[PS] = PS_UM | (3 << PS_RING_SHIFT); + + if (abi_call0) { + base = 0; + env->regs[base] = ra; + } else { + env->sregs[PS] |= PS_WOE | (1 << PS_CALLINC_SHIFT); + base = 4; + env->regs[base] = (ra & 0x3fffffff) | 0x40000000; + } + env->regs[base + 2] = sig; + env->regs[base + 3] = frame_addr + offsetof(struct target_rt_sigframe, + info); + env->regs[base + 4] = frame_addr + offsetof(struct target_rt_sigframe, uc); unlock_user_struct(frame, frame_addr, 1); return; |