From: Brian Cain <bc...@quicinc.com> Co-authored-by: Mike Lambert <mlamb...@quicinc.com> Co-authored-by: Sid Manning <sidn...@quicinc.com> Signed-off-by: Brian Cain <brian.c...@oss.qualcomm.com> --- MAINTAINERS | 2 + qapi/machine.json | 2 +- include/hw/hexagon/hexagon.h | 151 +++++++++++++++++++++ hw/hexagon/machine_cfg_v66g_1024.h.inc | 64 +++++++++ hw/hexagon/hexagon_dsp.c | 177 +++++++++++++++++++++++++ target/hexagon/machine.c | 1 - hw/Kconfig | 1 + hw/hexagon/Kconfig | 6 + hw/hexagon/meson.build | 5 + hw/meson.build | 1 + 10 files changed, 408 insertions(+), 2 deletions(-) create mode 100644 include/hw/hexagon/hexagon.h create mode 100644 hw/hexagon/machine_cfg_v66g_1024.h.inc create mode 100644 hw/hexagon/hexagon_dsp.c create mode 100644 hw/hexagon/Kconfig create mode 100644 hw/hexagon/meson.build
diff --git a/MAINTAINERS b/MAINTAINERS index a842f7fe1b..0fb5711184 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -233,6 +233,8 @@ M: Brian Cain <brian.c...@oss.qualcomm.com> S: Supported F: target/hexagon/ F: hw/intc/l2vic.[ch] +F: hw/hexagon/ +F: include/hw/hexagon/ X: target/hexagon/idef-parser/ X: target/hexagon/gen_idef_parser_funcs.py F: linux-user/hexagon/ diff --git a/qapi/machine.json b/qapi/machine.json index a6b8795b09..a7070bad4d 100644 --- a/qapi/machine.json +++ b/qapi/machine.json @@ -33,7 +33,7 @@ # Since: 3.0 ## { 'enum' : 'SysEmuTarget', - 'data' : [ 'aarch64', 'alpha', 'arm', 'avr', 'hppa', 'i386', + 'data' : [ 'aarch64', 'alpha', 'arm', 'avr', 'hexagon', 'hppa', 'i386', 'loongarch64', 'm68k', 'microblaze', 'microblazeel', 'mips', 'mips64', 'mips64el', 'mipsel', 'or1k', 'ppc', 'ppc64', 'riscv32', 'riscv64', 'rx', 's390x', 'sh4', diff --git a/include/hw/hexagon/hexagon.h b/include/hw/hexagon/hexagon.h new file mode 100644 index 0000000000..0afaac3b1f --- /dev/null +++ b/include/hw/hexagon/hexagon.h @@ -0,0 +1,151 @@ +/* + * Hexagon Baseboard System emulation. + * + * Copyright (c) 2020-2024 Qualcomm Innovation Center, Inc. All Rights Reserved. + * SPDX-License-Identifier: GPL-2.0-or-later + */ + + +#ifndef HW_HEXAGON_H +#define HW_HEXAGON_H + +#include "exec/memory.h" + +struct hexagon_board_boot_info { + uint64_t ram_size; + const char *kernel_filename; + uint32_t kernel_elf_flags; +}; + +typedef enum { + unknown_rev = 0, + v66_rev = 0xa666, + v67_rev = 0x2667, + v68_rev = 0x8d68, + v69_rev = 0x8c69, + v71_rev = 0x8c71, + v73_rev = 0x8c73, + v73m_rev = 0xcc73, +} Rev_t; +#define HEXAGON_LATEST_REV v73 +#define HEXAGON_LATEST_REV_UPPER V73 + +/* + * Config table address bases represent bits [35:16]. + */ +#define HEXAGON_CFG_ADDR_BASE(addr) (((addr) >> 16) & 0x0fffff) + +#define HEXAGON_CFGSPACE_ENTRIES (128) + +typedef union { + struct { + /* Base address of L2TCM space */ + uint32_t l2tcm_base; + uint32_t reserved0; + /* Base address of subsystem space */ + uint32_t subsystem_base; + /* Base address of ETM space */ + uint32_t etm_base; + /* Base address of L2 configuration space */ + uint32_t l2cfg_base; + uint32_t reserved1; + /* Base address of L1S */ + uint32_t l1s0_base; + /* Base address of AXI2 */ + uint32_t axi2_lowaddr; + /* Base address of streamer base */ + uint32_t streamer_base; + uint32_t reserved2; + /* Base address of fast L2VIC */ + uint32_t fastl2vic_base; + /* Number of entries in JTLB */ + uint32_t jtlb_size_entries; + /* Coprocessor type */ + uint32_t coproc_present; + /* Number of extension execution contexts available */ + uint32_t ext_contexts; + /* Base address of Hexagon Vector Tightly Coupled Memory (VTCM) */ + uint32_t vtcm_base; + /* Size of VTCM (in KB) */ + uint32_t vtcm_size_kb; + /* L2 tag size */ + uint32_t l2tag_size; + /* Amount of physical L2 memory in released version */ + uint32_t l2ecomem_size; + /* Hardware threads available on the core */ + uint32_t thread_enable_mask; + /* Base address of the ECC registers */ + uint32_t eccreg_base; + /* L2 line size */ + uint32_t l2line_size; + /* Small Core processor (also implies audio extension) */ + uint32_t tiny_core; + /* Size of L2TCM */ + uint32_t l2itcm_size; + /* Base address of L2-ITCM */ + uint32_t l2itcm_base; + uint32_t reserved3; + /* DTM is present */ + uint32_t dtm_present; + /* Version of the DMA */ + uint32_t dma_version; + /* Native HVX vector length in log of bytes */ + uint32_t hvx_vec_log_length; + /* Core ID of the multi-core */ + uint32_t core_id; + /* Number of multi-core cores */ + uint32_t core_count; + uint32_t coproc2_reg0; + uint32_t coproc2_reg1; + /* Supported HVX vector length */ + uint32_t v2x_mode; + uint32_t coproc2_reg2; + uint32_t coproc2_reg3; + uint32_t coproc2_reg4; + uint32_t coproc2_reg5; + uint32_t coproc2_reg6; + uint32_t coproc2_reg7; + /* Voltage droop mitigation technique parameter */ + uint32_t acd_preset; + /* Voltage droop mitigation technique parameter */ + uint32_t mnd_preset; + /* L1 data cache size (in KB) */ + uint32_t l1d_size_kb; + /* L1 instruction cache size in (KB) */ + uint32_t l1i_size_kb; + /* L1 data cache write policy: see HexagonL1WritePolicy */ + uint32_t l1d_write_policy; + /* VTCM bank width */ + uint32_t vtcm_bank_width; + uint32_t reserved4; + uint32_t reserved5; + uint32_t reserved6; + uint32_t coproc2_cvt_mpy_size; + uint32_t consistency_domain; + uint32_t capacity_domain; + uint32_t axi3_lowaddr; + uint32_t coproc2_int8_subcolumns; + uint32_t corecfg_present; + uint32_t coproc2_fp16_acc_exp; + uint32_t AXIM2_secondary_base; + }; + uint32_t raw[HEXAGON_CFGSPACE_ENTRIES]; +} hexagon_config_table; + +typedef struct { + /* Base address of config table */ + uint32_t cfgbase; + /* Size of L2 TCM */ + uint32_t l2tcm_size; + /* Base address of L2VIC */ + uint32_t l2vic_base; + /* Size of L2VIC region */ + uint32_t l2vic_size; + /* QTimer csr base */ + uint32_t csr_base; + uint32_t qtmr_rg0; + uint32_t qtmr_rg1; + hexagon_config_table cfgtable; +} hexagon_machine_config; + +#endif diff --git a/hw/hexagon/machine_cfg_v66g_1024.h.inc b/hw/hexagon/machine_cfg_v66g_1024.h.inc new file mode 100644 index 0000000000..604cc7777c --- /dev/null +++ b/hw/hexagon/machine_cfg_v66g_1024.h.inc @@ -0,0 +1,64 @@ + +static hexagon_machine_config v66g_1024 = { + .cfgbase = 0xd8180000, + .l2tcm_size = 0x00000000, + .l2vic_base = 0xfc910000, + .l2vic_size = 0x00001000, + .csr_base = 0xfc900000, + .qtmr_rg0 = 0xfc921000, + .qtmr_rg1 = 0xfc922000, + .cfgtable = { + .l2tcm_base = 0x0000d800, + .reserved0 = 0x0000d400, + .subsystem_base = 0x0000fc90, + .etm_base = 0x0000d805, + .l2cfg_base = 0x0000d81a, + .reserved1 = 0x00000000, + .l1s0_base = 0x0000d820, + .axi2_lowaddr = 0x00003000, + .streamer_base = 0x00000000, + .reserved2 = 0x0000d819, + .fastl2vic_base = 0x0000d81e, + .jtlb_size_entries = 0x00000080, + .coproc_present = 0x00000001, + .ext_contexts = 0x00000004, + .vtcm_base = 0x0000d820, + .vtcm_size_kb = 0x00000100, + .l2tag_size = 0x00000400, + .l2ecomem_size = 0x00000400, + .thread_enable_mask = 0x0000000f, + .eccreg_base = 0x0000d81f, + .l2line_size = 0x00000080, + .tiny_core = 0x00000000, + .l2itcm_size = 0x00000000, + .l2itcm_base = 0x0000d820, + .reserved3 = 0x00000000, + .dtm_present = 0x00000000, + .dma_version = 0x00000000, + .hvx_vec_log_length = 0x00000080, + .core_id = 0x00000000, + .core_count = 0x00000000, + .coproc2_reg0 = 0x00000000, + .coproc2_reg1 = 0x00000000, + .v2x_mode = 0x00000000, + .coproc2_reg2 = 0x00000000, + .coproc2_reg3 = 0x00000000, + .coproc2_reg4 = 0x00000000, + .coproc2_reg5 = 0x00000000, + .coproc2_reg6 = 0x00000000, + .coproc2_reg7 = 0x00000000, + .acd_preset = 0x00000000, + .mnd_preset = 0x00000000, + .l1d_size_kb = 0x00000000, + .l1i_size_kb = 0x00000000, + .l1d_write_policy = 0x00000000, + .vtcm_bank_width = 0x00000000, + .reserved3 = 0x00000000, + .reserved4 = 0x00000000, + .reserved5 = 0x00000000, + .coproc2_cvt_mpy_size = 0x00000000, + .consistency_domain = 0x00000000, + .capacity_domain = 0x00000000, + .axi3_lowaddr = 0x00000000, + }, +}; diff --git a/hw/hexagon/hexagon_dsp.c b/hw/hexagon/hexagon_dsp.c new file mode 100644 index 0000000000..9f18cb6e3a --- /dev/null +++ b/hw/hexagon/hexagon_dsp.c @@ -0,0 +1,177 @@ +/* + * Hexagon DSP Subsystem emulation. This represents a generic DSP + * subsystem with few peripherals, like the Compute DSP. + * + * Copyright (c) 2020-2024 Qualcomm Innovation Center, Inc. All Rights Reserved. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + + +#include "qemu/osdep.h" +#include "qemu/units.h" +#include "exec/address-spaces.h" +#include "hw/hw.h" +#include "hw/boards.h" +#include "hw/qdev-properties.h" +#include "hw/hexagon/hexagon.h" +#include "hw/loader.h" +#include "qapi/error.h" +#include "qemu/error-report.h" +#include "qemu/log.h" +#include "elf.h" +#include "cpu.h" +#include "include/migration/cpu.h" +#include "include/system/system.h" +#include "target/hexagon/internal.h" +#include "system/reset.h" + +#include "machine_cfg_v66g_1024.h.inc" + +static void hex_symbol_callback(const char *st_name, int st_info, + uint64_t st_value, uint64_t st_size) +{ +} + +/* Board init. */ +static struct hexagon_board_boot_info hexagon_binfo; + +static void hexagon_load_kernel(HexagonCPU *cpu) +{ + uint64_t pentry; + long kernel_size; + + kernel_size = load_elf_ram_sym(hexagon_binfo.kernel_filename, NULL, NULL, + NULL, &pentry, NULL, NULL, + &hexagon_binfo.kernel_elf_flags, 0, EM_HEXAGON, 0, 0, + &address_space_memory, false, hex_symbol_callback); + + if (kernel_size <= 0) { + error_report("no kernel file '%s'", + hexagon_binfo.kernel_filename); + exit(1); + } + + qdev_prop_set_uint32(DEVICE(cpu), "exec-start-addr", pentry); +} + +static void hexagon_init_bootstrap(MachineState *machine, HexagonCPU *cpu) +{ + if (machine->kernel_filename) { + hexagon_load_kernel(cpu); + } +} + +static void do_cpu_reset(void *opaque) +{ + HexagonCPU *cpu = opaque; + CPUState *cs = CPU(cpu); + cpu_reset(cs); +} + +static void hexagon_common_init(MachineState *machine, Rev_t rev, + hexagon_machine_config *m_cfg) +{ + memset(&hexagon_binfo, 0, sizeof(hexagon_binfo)); + if (machine->kernel_filename) { + hexagon_binfo.ram_size = machine->ram_size; + hexagon_binfo.kernel_filename = machine->kernel_filename; + } + + machine->enable_graphics = 0; + + MemoryRegion *address_space = get_system_memory(); + + MemoryRegion *sram = g_new(MemoryRegion, 1); + memory_region_init_ram(sram, NULL, "ddr.ram", + machine->ram_size, &error_fatal); + memory_region_add_subregion(address_space, 0x0, sram); + + Error **errp = NULL; + + for (int i = 0; i < machine->smp.cpus; i++) { + HexagonCPU *cpu = HEXAGON_CPU(object_new(machine->cpu_type)); + qemu_register_reset(do_cpu_reset, cpu); + + /* + * CPU #0 is the only CPU running at boot, others must be + * explicitly enabled via start instruction. + */ + qdev_prop_set_bit(DEVICE(cpu), "start-powered-off", (i != 0)); + qdev_prop_set_uint32(DEVICE(cpu), "l2vic-base-addr", m_cfg->l2vic_base); + qdev_prop_set_uint32(DEVICE(cpu), "config-table-addr", m_cfg->cfgbase); + qdev_prop_set_uint32(DEVICE(cpu), "hvx-contexts", + m_cfg->cfgtable.ext_contexts); + qdev_prop_set_uint32(DEVICE(cpu), "jtlb-entries", + m_cfg->cfgtable.jtlb_size_entries); + + + if (i == 0) { + hexagon_init_bootstrap(machine, cpu); + if (!qdev_realize_and_unref(DEVICE(cpu), NULL, errp)) { + return; + } + DeviceState *l2vic_dev; + l2vic_dev = sysbus_create_varargs("l2vic", m_cfg->l2vic_base, + /* IRQ#, Evnt#,CauseCode */ + qdev_get_gpio_in(DEVICE(cpu), 0), + qdev_get_gpio_in(DEVICE(cpu), 1), + qdev_get_gpio_in(DEVICE(cpu), 2), + qdev_get_gpio_in(DEVICE(cpu), 3), + qdev_get_gpio_in(DEVICE(cpu), 4), + qdev_get_gpio_in(DEVICE(cpu), 5), + qdev_get_gpio_in(DEVICE(cpu), 6), + qdev_get_gpio_in(DEVICE(cpu), 7), + NULL); + sysbus_mmio_map(SYS_BUS_DEVICE(l2vic_dev), 1, + m_cfg->cfgtable.fastl2vic_base << 16); + } else if (!qdev_realize_and_unref(DEVICE(cpu), NULL, errp)) { + return; + } + + } +} + +static void init_mc(MachineClass *mc) +{ + mc->block_default_type = IF_SD; + mc->default_ram_size = 4 * GiB; + mc->no_parallel = 1; + mc->no_floppy = 1; + mc->no_cdrom = 1; + mc->no_serial = 1; + mc->is_default = false; + mc->max_cpus = 8; +} + +/* ----------------------------------------------------------------- */ +/* Core-specific configuration settings are defined below this line. */ +/* Config table values defined in machine_configs.h.inc */ +/* ----------------------------------------------------------------- */ + +static void v66g_1024_config_init(MachineState *machine) +{ + hexagon_common_init(machine, v66_rev, &v66g_1024); +} + +static void v66g_1024_init(ObjectClass *oc, void *data) +{ + MachineClass *mc = MACHINE_CLASS(oc); + + mc->desc = "Hexagon V66G_1024"; + mc->init = v66g_1024_config_init; + init_mc(mc); + mc->is_default = true; + mc->default_cpu_type = TYPE_HEXAGON_CPU_V66; + mc->default_cpus = 4; +} + +static const TypeInfo hexagon_machine_types[] = { + { + .name = MACHINE_TYPE_NAME("V66G_1024"), + .parent = TYPE_MACHINE, + .class_init = v66g_1024_init, + }, +}; + +DEFINE_TYPES(hexagon_machine_types) diff --git a/target/hexagon/machine.c b/target/hexagon/machine.c index 4baa22d51f..79e9b7effa 100644 --- a/target/hexagon/machine.c +++ b/target/hexagon/machine.c @@ -79,7 +79,6 @@ const VMStateDescription vmstate_hexagon_cpu = { VMSTATE_UINT64(env.t_cycle_count, HexagonCPU), VMSTATE_POINTER(env.g_pcycle_base, HexagonCPU, 0, vmstate_info_uint64_ptr, uint64_t *), - VMSTATE_END_OF_LIST() }, }; diff --git a/hw/Kconfig b/hw/Kconfig index 1b4e9bb07f..b363d4561a 100644 --- a/hw/Kconfig +++ b/hw/Kconfig @@ -65,6 +65,7 @@ source sparc/Kconfig source sparc64/Kconfig source tricore/Kconfig source xtensa/Kconfig +source hexagon/Kconfig # Symbols used by multiple targets config TEST_DEVICES diff --git a/hw/hexagon/Kconfig b/hw/hexagon/Kconfig new file mode 100644 index 0000000000..3fc14756e6 --- /dev/null +++ b/hw/hexagon/Kconfig @@ -0,0 +1,6 @@ +config HEX_DSP + bool + default y + depends on HEXAGON && TCG + imply PTIMER + select L2VIC # Vector PIC diff --git a/hw/hexagon/meson.build b/hw/hexagon/meson.build new file mode 100644 index 0000000000..2ef3dbcd34 --- /dev/null +++ b/hw/hexagon/meson.build @@ -0,0 +1,5 @@ +hexagon_ss = ss.source_set() +hexagon_ss.add(when: 'CONFIG_HEX_DSP', if_true: files('hexagon_dsp.c',)) + +hw_arch += {'hexagon': hexagon_ss} + diff --git a/hw/meson.build b/hw/meson.build index b827c82c5d..91969d6fec 100644 --- a/hw/meson.build +++ b/hw/meson.build @@ -64,3 +64,4 @@ subdir('sparc') subdir('sparc64') subdir('tricore') subdir('xtensa') +subdir('hexagon') -- 2.34.1