| Message ID | 20210412121617.933493-6-anup.patel@wdc.com |
|---|---|
| State | Accepted |
| Headers | show |
| Series | Protect M-mode only MMIO devices | expand |
> -----Original Message----- > From: Anup Patel <Anup.Patel@wdc.com> > Sent: 12 April 2021 17:46 > 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>; Xiang W <wxjstz@126.com>; Alistair Francis > <Alistair.Francis@wdc.com> > Subject: [PATCH v2 5/7] lib: sbi: Make the root domain instance global > variable > > We make the the root domain instance global variable so that platform > support and drivers can iterate over the root domain regions. > > Signed-off-by: Anup Patel <anup.patel@wdc.com> > Reviewed-by: Xiang W <wxjstz@126.com> > Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Applied this patch to the riscv/opensbi repo. Regards, Anup > --- > include/sbi/sbi_domain.h | 3 +++ > lib/sbi/sbi_domain.c | 2 +- > 2 files changed, 4 insertions(+), 1 deletion(-) > > diff --git a/include/sbi/sbi_domain.h b/include/sbi/sbi_domain.h index > 84d17da..27316de 100644 > --- a/include/sbi/sbi_domain.h > +++ b/include/sbi/sbi_domain.h > @@ -80,6 +80,9 @@ struct sbi_domain { > bool system_reset_allowed; > }; > > +/** The root domain instance */ > +extern struct sbi_domain root; > + > /** HART id to domain table */ > extern struct sbi_domain *hartid_to_domain_table[]; > > diff --git a/lib/sbi/sbi_domain.c b/lib/sbi/sbi_domain.c index > 4b5a89f..c95c3c3 100644 > --- a/lib/sbi/sbi_domain.c > +++ b/lib/sbi/sbi_domain.c > @@ -29,7 +29,7 @@ static u32 root_memregs_count = 0; static struct > sbi_domain_memregion root_fw_region; static struct > sbi_domain_memregion root_memregs[ROOT_REGION_MAX + 1] = { 0 }; > > -static struct sbi_domain root = { > +struct sbi_domain root = { > .name = "root", > .possible_harts = &root_hmask, > .regions = root_memregs, > -- > 2.25.1
diff --git a/include/sbi/sbi_domain.h b/include/sbi/sbi_domain.h index 84d17da..27316de 100644 --- a/include/sbi/sbi_domain.h +++ b/include/sbi/sbi_domain.h @@ -80,6 +80,9 @@ struct sbi_domain { bool system_reset_allowed; }; +/** The root domain instance */ +extern struct sbi_domain root; + /** HART id to domain table */ extern struct sbi_domain *hartid_to_domain_table[]; diff --git a/lib/sbi/sbi_domain.c b/lib/sbi/sbi_domain.c index 4b5a89f..c95c3c3 100644 --- a/lib/sbi/sbi_domain.c +++ b/lib/sbi/sbi_domain.c @@ -29,7 +29,7 @@ static u32 root_memregs_count = 0; static struct sbi_domain_memregion root_fw_region; static struct sbi_domain_memregion root_memregs[ROOT_REGION_MAX + 1] = { 0 }; -static struct sbi_domain root = { +struct sbi_domain root = { .name = "root", .possible_harts = &root_hmask, .regions = root_memregs,