Commit 64d98e0797 for qemu.org
commit 64d98e0797c821da99894517215539dea2ade7cd
Author: Daniel Henrique Barboza <daniel.barboza@oss.qualcomm.com>
Date: Tue Jun 16 20:59:36 2026 -0300
hw/riscv/sifive_u.c: use intc_phandle in plic creation
The info about intc_phandles for each CPU is already stored in the
intc_phandles array. We don't need to fetch them again using
qemu_fdt_get_phandle().
Signed-off-by: Daniel Henrique Barboza <daniel.barboza@oss.qualcomm.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20260616235939.1358663-3-daniel.barboza@oss.qualcomm.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c
index fda9a09f06..b3468254f5 100644
--- a/hw/riscv/sifive_u.c
+++ b/hw/riscv/sifive_u.c
@@ -199,20 +199,16 @@ static void create_fdt(SiFiveUState *s, const MemMapEntry *memmap,
plic_phandle = phandle++;
cells = g_new0(uint32_t, ms->smp.cpus * 4 - 2);
for (cpu = 0; cpu < ms->smp.cpus; cpu++) {
- nodename =
- g_strdup_printf("/cpus/cpu@%d/interrupt-controller", cpu);
- uint32_t intc_phandle = qemu_fdt_get_phandle(fdt, nodename);
/* cpu 0 is the management hart that does not have S-mode */
if (cpu == 0) {
- cells[0] = cpu_to_be32(intc_phandle);
+ cells[0] = cpu_to_be32(intc_phandles[cpu]);
cells[1] = cpu_to_be32(IRQ_M_EXT);
} else {
- cells[cpu * 4 - 2] = cpu_to_be32(intc_phandle);
+ cells[cpu * 4 - 2] = cpu_to_be32(intc_phandles[cpu]);
cells[cpu * 4 - 1] = cpu_to_be32(IRQ_M_EXT);
- cells[cpu * 4 + 0] = cpu_to_be32(intc_phandle);
+ cells[cpu * 4 + 0] = cpu_to_be32(intc_phandles[cpu]);
cells[cpu * 4 + 1] = cpu_to_be32(IRQ_S_EXT);
}
- g_free(nodename);
}
nodename = g_strdup_printf("/soc/interrupt-controller@%lx",
(long)memmap[SIFIVE_U_DEV_PLIC].base);