Experimental fork of QEMU with video encoding patches https://git.openslx.org/bwlp/qemu.git/atom/common-user/host?h=spice_video_codecs 2022-02-08T21:46:23+00:00 2022-02-08T21:46:23+00:00 Richard Henderson 2022-02-08T02:54:29+00:00 urn:sha1:620d0b49a40e24465472b667f19b5fb0c63a6f0c Use the "retl" instead of "ret" instruction alias, since we do not allocate a register window in this function. Fix the offset to the first stacked parameter, which lies beyond the register window save area. Fixes: 95c021dac835 ("linux-user/host/sparc64: Add safe-syscall.inc.S") Signed-off-by: Richard Henderson <richard.henderson@linaro.org> 2022-01-05T05:14:23+00:00 Richard Henderson 2022-01-05T05:14:23+00:00 urn:sha1:fb084237a3b78b20fd9d888dffd673b6656ea3be Brown bag time: offset 0 from esp is the return address, offset 4 is the first argument. Fixes: d7478d4229f0 ("common-user: Fix tail calls to safe_syscall_set_errno_tail") Signed-off-by: Richard Henderson <richard.henderson@linaro.org> 2022-01-04T23:41:03+00:00 Richard Henderson 2022-01-04T19:00:35+00:00 urn:sha1:d7478d4229f0a2b2817a55487e6b17081099fae4 For the ABIs in which the syscall return register is not also the first function argument register, move the errno value into the correct place. Fixes: a3310c0397e2 ("linux-user: Move syscall error detection into safe_syscall_base") Reported-by: Laurent Vivier <laurent@vivier.eu> Tested-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220104190454.542225-1-richard.henderson@linaro.org> 2021-12-21T21:17:06+00:00 WANG Xuerui 2021-12-21T05:41:02+00:00 urn:sha1:6016b7b46edb714a53a31536b30ead9c3aafaef7 Signed-off-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20211221054105.178795-29-git@xen0n.name> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> 2021-12-20T18:12:29+00:00 Richard Henderson 2021-11-23T14:18:49+00:00 urn:sha1:5bfd125ec8ba8aab04f3a636dcea39f6c4075ced FreeBSD system calls return positive errno. On the 4 hosts for which we have support, error is indicated by the C bit set or clear. Reviewed-by: Warner Losh <imp@bsdimp.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> 2021-12-20T18:12:24+00:00 Richard Henderson 2021-11-17T15:14:00+00:00 urn:sha1:bbf15aaf7c7506c88062288b3ae122b882f65e69 Move linux-user safe-syscall.S and safe-syscall-error.c to common-user so that bsd-user can also use it. Also move safe-syscall.h to include/user/. Since there is nothing here that is related to the guest, as opposed to the host, build it once. Reviewed-by: Warner Losh <imp@bsdimp.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>