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authorSunil V L <sunilvl@ventanamicro.com>2023-12-18 20:32:41 +0530
committerAlistair Francis <alistair.francis@wdc.com>2024-01-10 18:47:47 +1000
commit7d189186f68b2b249c0bd6c84984f3aad2bcd1ca (patch)
treec4f0304e8eb680e15e8729c05a88319af891290e /hw
parent66ac45b75975a64aa3fbcaa038aecfbc11ac8547 (diff)
hw/riscv/virt-acpi-build.c: Add APLIC in the MADT
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>
Diffstat (limited to 'hw')
-rw-r--r--hw/riscv/virt-acpi-build.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c
index 32b5795f09..f50f022dc2 100644
--- a/hw/riscv/virt-acpi-build.c
+++ b/hw/riscv/virt-acpi-build.c
@@ -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);
}