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| author |   Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> | 2020-03-05 23:02:52 +0300 |
|---|---|---|
| committer |   Vineet Gupta <vgupta@synopsys.com> | 2020-03-16 10:30:49 -0700 |
| commit | f09d3174f002ee2cf15623d5a0f68f7393536ce7 (patch) | |
| tree | 26089da5142b45f5498d71dce04e1f0be210f296 /arch/arc/kernel/setup.c | |
| parent | ARC: add support for DSP-enabled userspace applications (diff) | |
| download | linux-dev-f09d3174f002ee2cf15623d5a0f68f7393536ce7.tar.xz linux-dev-f09d3174f002ee2cf15623d5a0f68f7393536ce7.zip | |
ARC: allow userspace DSP applications to use AGU extensions
To be able to run DSP-enabled userspace applications with AGU
(address generation unit) extensions we additionally need to
save and restore following registers at context switch:
* AGU_AP*
* AGU_OS*
* AGU_MOD*
Reviewed-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/kernel/setup.c')
| -rw-r--r-- | arch/arc/kernel/setup.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c index 1ed1528d9045..b2b1cb645d9e 100644 --- a/arch/arc/kernel/setup.c +++ b/arch/arc/kernel/setup.c @@ -399,6 +399,12 @@ void chk_opt_strict(char *opt_name, bool hw_exists, bool opt_ena) panic("Disable %s, hardware NOT present\n", opt_name); } +void chk_opt_weak(char *opt_name, bool hw_exists, bool opt_ena) +{ + if (!hw_exists && opt_ena) + panic("Disable %s, hardware NOT present\n", opt_name); +} + static void arc_chk_core_config(void) { struct cpuinfo_arc *cpu = &cpuinfo_arc700[smp_processor_id()]; |