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| author | Anup Patel <anup.patel@wdc.com> | 2020-05-15 10:25:33 +0530 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2020-08-25 09:11:35 -0700 |
| commit | c9270e10a5e3aa18a55bb5c115ae7838c8c43e41 (patch) | |
| tree | f4f160c040b140980e7dcadb02565c3b31b16c8b /include | |
| parent | 3bf03f08999b9a469a61279a04041bcbfadad6a8 (diff) | |
| download | qemu-c9270e10a5e3aa18a55bb5c115ae7838c8c43e41.zip qemu-c9270e10a5e3aa18a55bb5c115ae7838c8c43e41.tar.gz qemu-c9270e10a5e3aa18a55bb5c115ae7838c8c43e41.tar.bz2 | |
hw/riscv: Allow creating multiple instances of PLIC
We extend PLIC emulation to allow multiple instances of PLIC in
a QEMU RISC-V machine. To achieve this, we remove first HART id
zero assumption from PLIC emulation.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20200616032229.766089-3-anup.patel@wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/hw/riscv/sifive_plic.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/include/hw/riscv/sifive_plic.h b/include/hw/riscv/sifive_plic.h index 4421e81..ace76d0 100644 --- a/include/hw/riscv/sifive_plic.h +++ b/include/hw/riscv/sifive_plic.h @@ -48,6 +48,7 @@ typedef struct SiFivePLICState { /*< public >*/ MemoryRegion mmio; uint32_t num_addrs; + uint32_t num_harts; uint32_t bitfield_words; PLICAddr *addr_config; uint32_t *source_priority; @@ -58,6 +59,7 @@ typedef struct SiFivePLICState { /* config */ char *hart_config; + uint32_t hartid_base; uint32_t num_sources; uint32_t num_priorities; uint32_t priority_base; @@ -70,10 +72,10 @@ typedef struct SiFivePLICState { } SiFivePLICState; DeviceState *sifive_plic_create(hwaddr addr, char *hart_config, - uint32_t num_sources, uint32_t num_priorities, - uint32_t priority_base, uint32_t pending_base, - uint32_t enable_base, uint32_t enable_stride, - uint32_t context_base, uint32_t context_stride, - uint32_t aperture_size); + uint32_t hartid_base, uint32_t num_sources, + uint32_t num_priorities, uint32_t priority_base, + uint32_t pending_base, uint32_t enable_base, + uint32_t enable_stride, uint32_t context_base, + uint32_t context_stride, uint32_t aperture_size); #endif |