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author | Anup Patel <anup.patel@wdc.com> | 2020-01-03 07:21:58 +0300 |
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committer | Anup Patel <anup.patel@wdc.com> | 2020-01-07 09:41:19 +0300 |
commit | 1993182f032b71a4d16e39bff12c142dd25dd67e (patch) | |
tree | 7735c259ea79e56d2d2e7a9dc27d7a88349ae909 | |
parent | b325f6baefeafcee169e5f8a529882fdc0f47dc5 (diff) | |
download | opensbi-1993182f032b71a4d16e39bff12c142dd25dd67e.tar.xz |
lib: Add irqchip exit API
We add an optional platform irqchip exit hook for exit path handling
in sbi_exit() implementation.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
-rw-r--r-- | include/sbi/sbi_platform.h | 13 | ||||
-rw-r--r-- | lib/sbi/sbi_init.c | 2 |
2 files changed, 15 insertions, 0 deletions
diff --git a/include/sbi/sbi_platform.h b/include/sbi/sbi_platform.h index 21082fc..0de8be4 100644 --- a/include/sbi/sbi_platform.h +++ b/include/sbi/sbi_platform.h @@ -109,6 +109,8 @@ struct sbi_platform_operations { /** Initialize the platform interrupt controller for current HART */ int (*irqchip_init)(bool cold_boot); + /** Exit the platform interrupt controller for current HART */ + void (*irqchip_exit)(void); /** Send IPI to a target HART */ void (*ipi_send)(u32 target_hart); @@ -460,6 +462,17 @@ static inline int sbi_platform_irqchip_init(const struct sbi_platform *plat, } /** + * Exit the platform interrupt controller for current HART + * + * @param plat pointer to struct sbi_platform + */ +static inline void sbi_platform_irqchip_exit(const struct sbi_platform *plat) +{ + if (plat && sbi_platform_ops(plat)->irqchip_exit) + sbi_platform_ops(plat)->irqchip_exit(); +} + +/** * Send IPI to a target HART * * @param plat pointer to struct sbi_platform diff --git a/lib/sbi/sbi_init.c b/lib/sbi/sbi_init.c index c491bd8..3753800 100644 --- a/lib/sbi/sbi_init.c +++ b/lib/sbi/sbi_init.c @@ -209,6 +209,8 @@ void __noreturn sbi_exit(struct sbi_scratch *scratch) sbi_ipi_exit(scratch); + sbi_platform_irqchip_exit(plat); + sbi_platform_final_exit(plat); sbi_hart_hang(); |