| Message ID | 20201020093930.2551352-11-anup.patel@wdc.com |
|---|---|
| State | Accepted |
| Headers | show |
| Series | OpenSBI domain support | expand |
> -----Original Message----- > From: Anup Patel <Anup.Patel@wdc.com> > Sent: 20 October 2020 15:09 > To: Atish Patra <Atish.Patra@wdc.com>; Alistair Francis > <Alistair.Francis@wdc.com> > Cc: Anup Patel <anup@brainfault.org>; opensbi@lists.infradead.org; Anup > Patel <Anup.Patel@wdc.com> > Subject: [PATCH v4 10/16] lib: sbi: Extend sbi_system_reset() for domains > > The sbi_system_reset() should issue platform system reset only if domain of > current HART is allowed to do system reset. > > This patch extends sbi_system_reset() as-per above. > > Signed-off-by: Anup Patel <anup.patel@wdc.com> > Reviewed-by: Atish Patra <atish.patra@wdc.com> > --- > lib/sbi/sbi_system.c | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) > > diff --git a/lib/sbi/sbi_system.c b/lib/sbi/sbi_system.c index > a938003..96290b3 100644 > --- a/lib/sbi/sbi_system.c > +++ b/lib/sbi/sbi_system.c > @@ -37,9 +37,10 @@ void __noreturn sbi_system_reset(u32 > platform_reset_type) > /* Stop current HART */ > sbi_hsm_hart_stop(scratch, FALSE); > > - /* Platform specific reset */ > - sbi_platform_system_reset(sbi_platform_ptr(scratch), > - platform_reset_type); > + /* Platform specific reset if domain allowed system reset */ > + if (dom->system_reset_allowed) > + sbi_platform_system_reset(sbi_platform_ptr(scratch), > + platform_reset_type); > > /* If platform specific reset did not work then do sbi_exit() */ > sbi_exit(scratch); > -- > 2.25.1 Applied this patch to the riscv/opensbi repo Regards, Anup
diff --git a/lib/sbi/sbi_system.c b/lib/sbi/sbi_system.c index a938003..96290b3 100644 --- a/lib/sbi/sbi_system.c +++ b/lib/sbi/sbi_system.c @@ -37,9 +37,10 @@ void __noreturn sbi_system_reset(u32 platform_reset_type) /* Stop current HART */ sbi_hsm_hart_stop(scratch, FALSE); - /* Platform specific reset */ - sbi_platform_system_reset(sbi_platform_ptr(scratch), - platform_reset_type); + /* Platform specific reset if domain allowed system reset */ + if (dom->system_reset_allowed) + sbi_platform_system_reset(sbi_platform_ptr(scratch), + platform_reset_type); /* If platform specific reset did not work then do sbi_exit() */ sbi_exit(scratch);