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lib: utils/irqchip: Use heap in PLIC, APLIC and IMSIC drivers

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Let's use heap allocation in PLIC, APLIC, and IMSIC irqchip drivers
instead of using a fixed size global array.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
This commit is contained in:
Anup Patel
2023-04-19 16:55:59 +05:30
committed by Anup Patel
parent 5a8cfcdf19
commit 30137166c6
3 changed files with 42 additions and 46 deletions
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24
lib/utils/irqchip/fdt_irqchip_aplic.c
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@@ -11,15 +11,11 @@
#include <libfdt.h>
#include <sbi/riscv_asm.h>
#include <sbi/sbi_error.h>
#include <sbi/sbi_heap.h>
#include <sbi_utils/fdt/fdt_helper.h>
#include <sbi_utils/irqchip/fdt_irqchip.h>
#include <sbi_utils/irqchip/aplic.h>
#define APLIC_MAX_NR 16
static unsigned long aplic_count = 0;
static struct aplic_data aplic[APLIC_MAX_NR];
static int irqchip_aplic_warm_init(void)
{
/* Nothing to do here. */
@@ -32,15 +28,23 @@ static int irqchip_aplic_cold_init(void *fdt, int nodeoff,
int rc;
struct aplic_data *pd;
if (APLIC_MAX_NR <= aplic_count)
return SBI_ENOSPC;
pd = &aplic[aplic_count++];
pd = sbi_zalloc(sizeof(*pd));
if (!pd)
return SBI_ENOMEM;
rc = fdt_parse_aplic_node(fdt, nodeoff, pd);
if (rc)
return rc;
goto fail_free_data;
return aplic_cold_irqchip_init(pd);
rc = aplic_cold_irqchip_init(pd);
if (rc)
goto fail_free_data;
return 0;
fail_free_data:
sbi_free(pd);
return rc;
}
static const struct fdt_match irqchip_aplic_match[] = {