diff options
| author |   kettenis <kettenis@openbsd.org> | 2020-07-11 11:43:57 +0000 |
|---|---|---|
| committer | kettenis <kettenis@openbsd.org> | 2020-07-11 11:43:57 +0000 |
| commit | 0dc8bf2f295bba4fdf5278e4c00c8ffead354f47 (patch) | |
| tree | dac37d867d195cfb1c5020cf06d94d924596e894 | |
| parent | Change locks which don't use spin_lock_irq() or spin_lock_irqsave() (diff) | |
| download | wireguard-openbsd-0dc8bf2f295bba4fdf5278e4c00c8ffead354f47.tar.xz wireguard-openbsd-0dc8bf2f295bba4fdf5278e4c00c8ffead354f47.zip | |
Implement a machdep.altivec sysctl that always returns 1. This makes
pixman in xenocara build and hopefully helps with ports as well.
suggested by matthieu@
| -rw-r--r-- | sys/arch/powerpc64/include/cpu.h | 13 | ||||
| -rw-r--r-- | sys/arch/powerpc64/powerpc64/machdep.c | 7 |
2 files changed, 17 insertions, 3 deletions
diff --git a/sys/arch/powerpc64/include/cpu.h b/sys/arch/powerpc64/include/cpu.h index 6e119228bc3..3729f1b9a53 100644 --- a/sys/arch/powerpc64/include/cpu.h +++ b/sys/arch/powerpc64/include/cpu.h @@ -1,4 +1,4 @@ -/* $OpenBSD: cpu.h,v 1.18 2020/07/05 20:49:40 naddy Exp $ */ +/* $OpenBSD: cpu.h,v 1.19 2020/07/11 11:43:57 kettenis Exp $ */ /* * Copyright (c) 2020 Mark Kettenis <kettenis@openbsd.org> @@ -23,7 +23,16 @@ * User-visible definitions */ -/* Nothing yet */ +/* + * CTL_MACHDEP definitions. + */ +#define CPU_ALTIVEC 1 /* altivec is present */ +#define CPU_MAXID 2 /* number of valid machdep ids */ + +#define CTL_MACHDEP_NAMES { \ + { 0, 0 }, \ + { "altivec", CTLTYPE_INT }, \ +} #ifdef _KERNEL diff --git a/sys/arch/powerpc64/powerpc64/machdep.c b/sys/arch/powerpc64/powerpc64/machdep.c index f36215f5b20..4766588a982 100644 --- a/sys/arch/powerpc64/powerpc64/machdep.c +++ b/sys/arch/powerpc64/powerpc64/machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: machdep.c,v 1.48 2020/07/10 17:09:37 kettenis Exp $ */ +/* $OpenBSD: machdep.c,v 1.49 2020/07/11 11:43:57 kettenis Exp $ */ /* * Copyright (c) 2020 Mark Kettenis <kettenis@openbsd.org> @@ -26,6 +26,7 @@ #include <sys/reboot.h> #include <sys/signalvar.h> #include <sys/syscallargs.h> +#include <sys/sysctl.h> #include <sys/systm.h> #include <sys/user.h> @@ -879,11 +880,15 @@ int cpu_sysctl(int *name, u_int namelen, void *oldp, size_t *oldlenp, void *newp, size_t newlen, struct proc *p) { + int altivec = 1; /* Altivec is always supported */ + /* All sysctl names at this level are terminal. */ if (namelen != 1) return ENOTDIR; /* overloaded */ switch (name[0]) { + case CPU_ALTIVEC: + return (sysctl_rdint(oldp, oldlenp, newp, altivec)); default: return EOPNOTSUPP; } |