Add a new cpu_count field in gicv3_data indicating the
number of redistributors. This will be useful for enumeration
of their resources such as LPI pending tables.
Signed-off-by: Eric Auger <eric.auger@xxxxxxxxxx>
---
lib/arm/asm/gic-v3.h | 1 +
lib/arm/gic-v3.c | 2 ++
2 files changed, 3 insertions(+)
diff --git a/lib/arm/asm/gic-v3.h b/lib/arm/asm/gic-v3.h
index ed330af..039b7c2 100644
--- a/lib/arm/asm/gic-v3.h
+++ b/lib/arm/asm/gic-v3.h
@@ -58,6 +58,7 @@ struct gicv3_data {
void *dist_base;
void *redist_base[NR_CPUS];
unsigned int irq_nr;
+ unsigned int cpu_count;
};
extern struct gicv3_data gicv3_data;
diff --git a/lib/arm/gic-v3.c b/lib/arm/gic-v3.c
index 6246221..9921f4d 100644
--- a/lib/arm/gic-v3.c
+++ b/lib/arm/gic-v3.c
@@ -12,12 +12,14 @@ void gicv3_set_redist_base(size_t stride)
void *ptr = gicv3_data.redist_base[0];
u64 typer;
+ gicv3_data.cpu_count = 0;
do {
typer = gicv3_read_typer(ptr + GICR_TYPER);
if ((typer >> 32) == aff) {
gicv3_redist_base() = ptr;
return;
}
+ gicv3_data.cpu_count++;
ptr += stride; /* skip RD_base, SGI_base, etc. */
} while (!(typer & GICR_TYPER_LAST));
--
2.5.5
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