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hw/riscv/virt-acpi-build.c: Add APLIC in the MADT

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Add APLIC structures for each socket in the MADT when system is configured
with APLIC as the external wired interrupt controller.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-ID: <20231218150247.466427-8-sunilvl@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Sunil V L 2023-12-18 20:32:41 +05:30 committed by Alistair Francis
parent 66ac45b759
commit 7d189186f6
1 changed files with 34 additions and 0 deletions
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34
hw/riscv/virt-acpi-build.c
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@ -274,6 +274,8 @@ static void build_madt(GArray *table_data,
uint8_t guest_index_bits = imsic_num_bits(s->aia_guests + 1);
uint16_t imsic_max_hart_per_socket = 0;
uint8_t hart_index_bits;
uint64_t aplic_addr;
uint32_t gsi_base;
uint8_t socket;
for (socket = 0; socket < riscv_socket_count(ms); socket++) {
@ -319,6 +321,38 @@ static void build_madt(GArray *table_data,
build_append_int_noprefix(table_data, IMSIC_MMIO_GROUP_MIN_SHIFT, 1);
}
if (s->aia_type != VIRT_AIA_TYPE_NONE) {
/* APLICs */
for (socket = 0; socket < riscv_socket_count(ms); socket++) {
aplic_addr = s->memmap[VIRT_APLIC_S].base +
s->memmap[VIRT_APLIC_S].size * socket;
gsi_base = VIRT_IRQCHIP_NUM_SOURCES * socket;
build_append_int_noprefix(table_data, 0x1A, 1); /* Type */
build_append_int_noprefix(table_data, 36, 1); /* Length */
build_append_int_noprefix(table_data, 1, 1); /* Version */
build_append_int_noprefix(table_data, socket, 1); /* APLIC ID */
build_append_int_noprefix(table_data, 0, 4); /* Flags */
build_append_int_noprefix(table_data, 0, 8); /* Hardware ID */
/* Number of IDCs */
if (s->aia_type == VIRT_AIA_TYPE_APLIC) {
build_append_int_noprefix(table_data,
s->soc[socket].num_harts,
2);
} else {
build_append_int_noprefix(table_data, 0, 2);
}
/* Total External Interrupt Sources Supported */
build_append_int_noprefix(table_data, VIRT_IRQCHIP_NUM_SOURCES, 2);
/* Global System Interrupt Base */
build_append_int_noprefix(table_data, gsi_base, 4);
/* APLIC Address */
build_append_int_noprefix(table_data, aplic_addr, 8);
/* APLIC size */
build_append_int_noprefix(table_data,
s->memmap[VIRT_APLIC_S].size, 4);
}
}
acpi_table_end(linker, &table);
}