diff options
Diffstat (limited to 'riscv')
| -rw-r--r-- | riscv/cfg.h | 3 | ||||
| -rw-r--r-- | riscv/dts.cc | 3 | ||||
| -rw-r--r-- | riscv/dts.h | 1 | ||||
| -rw-r--r-- | riscv/processor.cc | 2 | ||||
| -rw-r--r-- | riscv/sim.cc | 4 |
5 files changed, 9 insertions, 4 deletions
diff --git a/riscv/cfg.h b/riscv/cfg.h index 8ead618..422c1ae 100644 --- a/riscv/cfg.h +++ b/riscv/cfg.h @@ -68,6 +68,7 @@ public: const bool default_misaligned, const endianness_t default_endianness, const reg_t default_pmpregions, + const reg_t default_pmpgranularity, const std::vector<mem_cfg_t> &default_mem_layout, const std::vector<size_t> default_hartids, bool default_real_time_clint, @@ -80,6 +81,7 @@ public: misaligned(default_misaligned), endianness(default_endianness), pmpregions(default_pmpregions), + pmpgranularity(default_pmpgranularity), mem_layout(default_mem_layout), hartids(default_hartids), explicit_hartids(false), @@ -95,6 +97,7 @@ public: bool misaligned; endianness_t endianness; reg_t pmpregions; + reg_t pmpgranularity; cfg_arg_t<std::vector<mem_cfg_t>> mem_layout; std::optional<reg_t> start_pc; cfg_arg_t<std::vector<size_t>> hartids; diff --git a/riscv/dts.cc b/riscv/dts.cc index 9f73bac..8304171 100644 --- a/riscv/dts.cc +++ b/riscv/dts.cc @@ -16,6 +16,7 @@ std::string make_dts(size_t insns_per_rtc_tick, size_t cpu_hz, reg_t initrd_start, reg_t initrd_end, const char* bootargs, size_t pmpregions, + size_t pmpgranularity, std::vector<processor_t*> procs, std::vector<std::pair<reg_t, abstract_mem_t*>> mems, std::string device_nodes) @@ -62,7 +63,7 @@ std::string make_dts(size_t insns_per_rtc_tick, size_t cpu_hz, " riscv,isa = \"" << procs[i]->get_isa().get_isa_string() << "\";\n" " mmu-type = \"riscv," << (procs[i]->get_isa().get_max_xlen() <= 32 ? "sv32" : "sv57") << "\";\n" " riscv,pmpregions = <" << pmpregions << ">;\n" - " riscv,pmpgranularity = <" << (1 << PMP_SHIFT) << ">;\n" + " riscv,pmpgranularity = <" << pmpgranularity << ">;\n" " clock-frequency = <" << cpu_hz << ">;\n" " CPU" << i << "_intc: interrupt-controller {\n" " #address-cells = <2>;\n" diff --git a/riscv/dts.h b/riscv/dts.h index 9240124..7afe376 100644 --- a/riscv/dts.h +++ b/riscv/dts.h @@ -10,6 +10,7 @@ std::string make_dts(size_t insns_per_rtc_tick, size_t cpu_hz, reg_t initrd_start, reg_t initrd_end, const char* bootargs, size_t pmpregions, + size_t pmpgranularity, std::vector<processor_t*> procs, std::vector<std::pair<reg_t, abstract_mem_t*>> mems, std::string device_nodes); diff --git a/riscv/processor.cc b/riscv/processor.cc index 22e6542..0ac6e67 100644 --- a/riscv/processor.cc +++ b/riscv/processor.cc @@ -63,7 +63,7 @@ processor_t::processor_t(const isa_parser_t *isa, const cfg_t *cfg, for (auto e : isa->get_extensions()) register_extension(find_extension(e.c_str())()); - set_pmp_granularity(1 << PMP_SHIFT); + set_pmp_granularity(cfg->pmpgranularity); set_pmp_num(cfg->pmpregions); if (isa->get_max_xlen() == 32) diff --git a/riscv/sim.cc b/riscv/sim.cc index fc75a37..d75de46 100644 --- a/riscv/sim.cc +++ b/riscv/sim.cc @@ -140,8 +140,8 @@ sim_t::sim_t(const cfg_t *cfg, bool halted, device_nodes.append(factory->generate_dts(this)); dts = make_dts(INSNS_PER_RTC_TICK, CPU_HZ, initrd_bounds.first, initrd_bounds.second, - cfg->bootargs(), cfg->pmpregions, procs, mems, - device_nodes); + cfg->bootargs(), cfg->pmpregions, cfg->pmpgranularity, + procs, mems, device_nodes); dtb = dts_compile(dts); } |