| Message ID | tencent_0278C145ED7EC7275CC998B890DA46273E07@qq.com |
|---|---|
| State | Changes Requested |
| Headers | show |
| Series | lib: sbi: Probe PMP locked entries and adjust first usable PMP index | expand |
On Fri, Dec 8, 2023 at 3:34 AM Yangyu Chen <cyy@cyyself.name> wrote: > > Some PMPs may be locked before OpenSBI starts. Mark index 0 to the > highest locked index of PMPs as reserved and show the number of PMPs > being reserved in Boot HART details to let the user know. > > Signed-off-by: Yangyu Chen <cyy@cyyself.name> Looks good to me. Reviewed-by: Anup Patel <anup@brainfault.org> Regards, Anup > --- > lib/sbi/sbi_init.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/lib/sbi/sbi_init.c b/lib/sbi/sbi_init.c > index e723553..0d02186 100644 > --- a/lib/sbi/sbi_init.c > +++ b/lib/sbi/sbi_init.c > @@ -174,6 +174,8 @@ static void sbi_boot_print_hart(struct sbi_scratch *scratch, u32 hartid) > sbi_printf("Boot HART Base ISA : %s\n", str); > sbi_hart_get_extensions_str(scratch, str, sizeof(str)); > sbi_printf("Boot HART ISA Extensions : %s\n", str); > + sbi_printf("Boot HART PMP Reserved : %d\n", > + sbi_hart_pmp_reserved(scratch)); > sbi_printf("Boot HART PMP Count : %d\n", > sbi_hart_pmp_count(scratch)); > sbi_printf("Boot HART PMP Granularity : %lu\n", > -- > 2.43.0 > > > -- > opensbi mailing list > opensbi@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/opensbi
diff --git a/lib/sbi/sbi_init.c b/lib/sbi/sbi_init.c index e723553..0d02186 100644 --- a/lib/sbi/sbi_init.c +++ b/lib/sbi/sbi_init.c @@ -174,6 +174,8 @@ static void sbi_boot_print_hart(struct sbi_scratch *scratch, u32 hartid) sbi_printf("Boot HART Base ISA : %s\n", str); sbi_hart_get_extensions_str(scratch, str, sizeof(str)); sbi_printf("Boot HART ISA Extensions : %s\n", str); + sbi_printf("Boot HART PMP Reserved : %d\n", + sbi_hart_pmp_reserved(scratch)); sbi_printf("Boot HART PMP Count : %d\n", sbi_hart_pmp_count(scratch)); sbi_printf("Boot HART PMP Granularity : %lu\n",
Some PMPs may be locked before OpenSBI starts. Mark index 0 to the highest locked index of PMPs as reserved and show the number of PMPs being reserved in Boot HART details to let the user know. Signed-off-by: Yangyu Chen <cyy@cyyself.name> --- lib/sbi/sbi_init.c | 2 ++ 1 file changed, 2 insertions(+)