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| author | Jerry Zhao <jerryz123@berkeley.edu> | 2023-06-06 11:21:21 -0700 |
|---|---|---|
| committer | Jerry Zhao <jerryz123@berkeley.edu> | 2023-06-20 12:23:47 -0700 |
| commit | 701029d28b0e73f98a36869ef9317c49f0dc2949 (patch) | |
| tree | e84191569aa072bdacb41e25cb509e7eef932fc4 /riscv | |
| parent | 37e50ad49914725f6ba0364255e2ae809c60f0f2 (diff) | |
| download | riscv-isa-sim-701029d28b0e73f98a36869ef9317c49f0dc2949.zip riscv-isa-sim-701029d28b0e73f98a36869ef9317c49f0dc2949.tar.gz riscv-isa-sim-701029d28b0e73f98a36869ef9317c49f0dc2949.tar.bz2 | |
ns16550_t: ns16550 should parse interrupt id from the fdt
Diffstat (limited to 'riscv')
| -rw-r--r-- | riscv/dts.cc | 10 | ||||
| -rw-r--r-- | riscv/dts.h | 2 | ||||
| -rw-r--r-- | riscv/ns16550.cc | 7 |
3 files changed, 15 insertions, 4 deletions
diff --git a/riscv/dts.cc b/riscv/dts.cc index 8c1ceb4..cc65e3c 100644 --- a/riscv/dts.cc +++ b/riscv/dts.cc @@ -293,6 +293,7 @@ int fdt_parse_plic(const void *fdt, reg_t *plic_addr, uint32_t *ndev, int fdt_parse_ns16550(const void *fdt, reg_t *ns16550_addr, uint32_t *reg_shift, uint32_t *reg_io_width, + uint32_t* reg_int_id, const char *compatible) { int nodeoffset, len, rc; @@ -324,6 +325,15 @@ int fdt_parse_ns16550(const void *fdt, reg_t *ns16550_addr, } } + reg_p = (fdt32_t *)fdt_getprop(fdt, nodeoffset, "interrupts", &len); + if (reg_int_id) { + if (reg_p) { + *reg_int_id = fdt32_to_cpu(*reg_p); + } else { + *reg_int_id = NS16550_INTERRUPT_ID; + } + } + return 0; } diff --git a/riscv/dts.h b/riscv/dts.h index 10d3cc1..7ec1ceb 100644 --- a/riscv/dts.h +++ b/riscv/dts.h @@ -27,7 +27,7 @@ int fdt_parse_clint(const void *fdt, reg_t *clint_addr, int fdt_parse_plic(const void *fdt, reg_t *plic_addr, uint32_t *ndev, const char *compatible); int fdt_parse_ns16550(const void *fdt, reg_t *ns16550_addr, - uint32_t *reg_shift, uint32_t *reg_io_width, + uint32_t *reg_shift, uint32_t *reg_io_width, uint32_t* reg_int_id, const char *compatible); int fdt_parse_pmp_num(const void *fdt, int cpu_offset, reg_t *pmp_num); int fdt_parse_pmp_alignment(const void *fdt, int cpu_offset, reg_t *pmp_align); diff --git a/riscv/ns16550.cc b/riscv/ns16550.cc index a4bd204..dabe3a9 100644 --- a/riscv/ns16550.cc +++ b/riscv/ns16550.cc @@ -343,11 +343,12 @@ std::string ns16550_generate_dts(const sim_t* sim) ns16550_t* ns16550_parse_from_fdt(const void* fdt, const sim_t* sim, reg_t* base) { - uint32_t ns16550_shift, ns16550_io_width; + uint32_t ns16550_shift, ns16550_io_width, ns16550_int_id; if (fdt_parse_ns16550(fdt, base, - &ns16550_shift, &ns16550_io_width, "ns16550a") == 0) { + &ns16550_shift, &ns16550_io_width, &ns16550_int_id, + "ns16550a") == 0) { abstract_interrupt_controller_t* intctrl = sim->get_intctrl(); - return new ns16550_t(intctrl, NS16550_INTERRUPT_ID, ns16550_shift, ns16550_io_width); + return new ns16550_t(intctrl, ns16550_int_id, ns16550_shift, ns16550_io_width); } else { return nullptr; } |