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lib: sbi: Add a simple external interrupt handling framework

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Currently, the external interrupt handling is scattered between
sbi_init and sbi_trap. This patch moves all external interrupt
handling into a simple framework called sbi_irqchip.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Xiang W <wxjstz@126.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
This commit is contained in:
Anup Patel
2022-02-18 23:18:41 +05:30
committed by Anup Patel
parent f2ccf2f783
commit f3f4604c19
7 changed files with 109 additions and 34 deletions
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4
lib/utils/irqchip/imsic.c
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@@ -15,8 +15,8 @@
#include <sbi/sbi_domain.h>
#include <sbi/sbi_hartmask.h>
#include <sbi/sbi_ipi.h>
#include <sbi/sbi_irqchip.h>
#include <sbi/sbi_error.h>
#include <sbi/sbi_trap.h>
#include <sbi_utils/irqchip/imsic.h>
#define IMSIC_MMIO_PAGE_LE 0x00
@@ -268,7 +268,7 @@ int imsic_cold_irqchip_init(struct imsic_data *imsic)
return SBI_EINVAL;
/* Setup external interrupt function for IMSIC */
sbi_trap_set_external_irqfn(imsic_external_irqfn);
sbi_irqchip_set_irqfn(imsic_external_irqfn);
/* Add IMSIC regions to the root domain */
for (i = 0; i < IMSIC_MAX_REGS && imsic->regs[i].size; i++) {