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

Add IMSIC structure in MADT when IMSIC is configured.

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: <20231218150247.466427-7-sunilvl@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
master
Sunil V L 2023-12-18 20:32:40 +05:30 committed by Alistair Francis
parent 0efb12b713
commit 66ac45b759
1 changed files with 35 additions and 0 deletions
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35
hw/riscv/virt-acpi-build.c
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@ -270,6 +270,19 @@ static void build_madt(GArray *table_data,
MachineClass *mc = MACHINE_GET_CLASS(s);
MachineState *ms = MACHINE(s);
const CPUArchIdList *arch_ids = mc->possible_cpu_arch_ids(ms);
uint8_t group_index_bits = imsic_num_bits(riscv_socket_count(ms));
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;
uint8_t socket;
for (socket = 0; socket < riscv_socket_count(ms); socket++) {
if (imsic_max_hart_per_socket < s->soc[socket].num_harts) {
imsic_max_hart_per_socket = s->soc[socket].num_harts;
}
}
hart_index_bits = imsic_num_bits(imsic_max_hart_per_socket);
AcpiTable table = { .sig = "APIC", .rev = 6, .oem_id = s->oem_id,
.oem_table_id = s->oem_table_id };
@ -284,6 +297,28 @@ static void build_madt(GArray *table_data,
riscv_acpi_madt_add_rintc(i, arch_ids, table_data, s);
}
/* IMSIC */
if (s->aia_type == VIRT_AIA_TYPE_APLIC_IMSIC) {
/* IMSIC */
build_append_int_noprefix(table_data, 0x19, 1); /* Type */
build_append_int_noprefix(table_data, 16, 1); /* Length */
build_append_int_noprefix(table_data, 1, 1); /* Version */
build_append_int_noprefix(table_data, 0, 1); /* Reserved */
build_append_int_noprefix(table_data, 0, 4); /* Flags */
/* Number of supervisor mode Interrupt Identities */
build_append_int_noprefix(table_data, VIRT_IRQCHIP_NUM_MSIS, 2);
/* Number of guest mode Interrupt Identities */
build_append_int_noprefix(table_data, VIRT_IRQCHIP_NUM_MSIS, 2);
/* Guest Index Bits */
build_append_int_noprefix(table_data, guest_index_bits, 1);
/* Hart Index Bits */
build_append_int_noprefix(table_data, hart_index_bits, 1);
/* Group Index Bits */
build_append_int_noprefix(table_data, group_index_bits, 1);
/* Group Index Shift */
build_append_int_noprefix(table_data, IMSIC_MMIO_GROUP_MIN_SHIFT, 1);
}
acpi_table_end(linker, &table);
}