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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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36
lib/utils/irqchip/fdt_irqchip_plic.c
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@@ -11,18 +11,14 @@
#include <sbi/riscv_asm.h>
#include <sbi/riscv_io.h>
#include <sbi/sbi_error.h>
#include <sbi/sbi_heap.h>
#include <sbi/sbi_hartmask.h>
#include <sbi_utils/fdt/fdt_helper.h>
#include <sbi_utils/irqchip/fdt_irqchip.h>
#include <sbi_utils/irqchip/plic.h>
#define PLIC_MAX_NR 16
static unsigned long plic_count = 0;
static struct plic_data plic[PLIC_MAX_NR];
static struct plic_data *plic_hartid2data[SBI_HARTMASK_MAX_BITS];
static int plic_hartid2context[SBI_HARTMASK_MAX_BITS][2];
static int plic_hartid2context[SBI_HARTMASK_MAX_BITS][2] = { { -1 } };
void fdt_plic_priority_save(u8 *priority, u32 num)
{
@@ -114,16 +110,16 @@ static int irqchip_plic_update_hartid_table(void *fdt, int nodeoff,
static int irqchip_plic_cold_init(void *fdt, int nodeoff,
const struct fdt_match *match)
{
int i, rc;
int rc;
struct plic_data *pd;
if (PLIC_MAX_NR <= plic_count)
return SBI_ENOSPC;
pd = &plic[plic_count++];
pd = sbi_zalloc(sizeof(*pd));
if (!pd)
return SBI_ENOMEM;
rc = fdt_parse_plic_node(fdt, nodeoff, pd);
if (rc)
return rc;
goto fail_free_data;
if (match->data) {
void (*plic_plat_init)(struct plic_data *) = match->data;
@@ -132,17 +128,17 @@ static int irqchip_plic_cold_init(void *fdt, int nodeoff,
rc = plic_cold_irqchip_init(pd);
if (rc)
return rc;
goto fail_free_data;
if (plic_count == 1) {
for (i = 0; i < SBI_HARTMASK_MAX_BITS; i++) {
plic_hartid2data[i] = NULL;
plic_hartid2context[i][0] = -1;
plic_hartid2context[i][1] = -1;
}
}
rc = irqchip_plic_update_hartid_table(fdt, nodeoff, pd);
if (rc)
goto fail_free_data;
return irqchip_plic_update_hartid_table(fdt, nodeoff, pd);
return 0;
fail_free_data:
sbi_free(pd);
return rc;
}
#define THEAD_PLIC_CTRL_REG 0x1ffffc