On 7/12/23 13:39, Sunil V L wrote:
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 <suni...@ventanamicro.com> ---
Reviewed-by: Daniel Henrique Barboza <dbarb...@ventanamicro.com>
hw/riscv/virt-acpi-build.c | 36 ++++++++++++++++++++++++++++++++++-- 1 file changed, 34 insertions(+), 2 deletions(-) diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c index ebdc3bffea..9f2d0c92b0 100644 --- a/hw/riscv/virt-acpi-build.c +++ b/hw/riscv/virt-acpi-build.c @@ -276,9 +276,9 @@ 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); - uint64_t imsic_socket_addr, imsic_addr; + uint64_t imsic_socket_addr, imsic_addr, aplic_addr; + uint32_t imsic_size, gsi_base; uint8_t guest_index_bits; - uint32_t imsic_size; uint32_t local_cpu_id, socket_id; uint8_t hart_index_bits, group_index_bits, group_index_shift; uint16_t imsic_max_hart_per_socket = 0; @@ -340,6 +340,38 @@ static void build_madt(GArray *table_data, build_append_int_noprefix(table_data, group_index_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); }
