diff options
Diffstat (limited to 'qemu/hw/sparc/leon3.c')
| -rw-r--r-- | qemu/hw/sparc/leon3.c | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/qemu/hw/sparc/leon3.c b/qemu/hw/sparc/leon3.c deleted file mode 100644 index dbae41f3a..000000000 --- a/qemu/hw/sparc/leon3.c +++ /dev/null @@ -1,229 +0,0 @@ -/* - * QEMU Leon3 System Emulator - * - * Copyright (c) 2010-2011 AdaCore - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#include "qemu/osdep.h" -#include "qapi/error.h" -#include "qemu-common.h" -#include "cpu.h" -#include "hw/hw.h" -#include "qemu/timer.h" -#include "hw/ptimer.h" -#include "sysemu/char.h" -#include "sysemu/sysemu.h" -#include "sysemu/qtest.h" -#include "hw/boards.h" -#include "hw/loader.h" -#include "elf.h" -#include "trace.h" -#include "exec/address-spaces.h" - -#include "hw/sparc/grlib.h" - -/* Default system clock. */ -#define CPU_CLK (40 * 1000 * 1000) - -#define PROM_FILENAME "u-boot.bin" - -#define MAX_PILS 16 - -typedef struct ResetData { - SPARCCPU *cpu; - uint32_t entry; /* save kernel entry in case of reset */ - target_ulong sp; /* initial stack pointer */ -} ResetData; - -static void main_cpu_reset(void *opaque) -{ - ResetData *s = (ResetData *)opaque; - CPUState *cpu = CPU(s->cpu); - CPUSPARCState *env = &s->cpu->env; - - cpu_reset(cpu); - - cpu->halted = 0; - env->pc = s->entry; - env->npc = s->entry + 4; - env->regbase[6] = s->sp; -} - -void leon3_irq_ack(void *irq_manager, int intno) -{ - grlib_irqmp_ack((DeviceState *)irq_manager, intno); -} - -static void leon3_set_pil_in(void *opaque, uint32_t pil_in) -{ - CPUSPARCState *env = (CPUSPARCState *)opaque; - CPUState *cs; - - assert(env != NULL); - - env->pil_in = pil_in; - - if (env->pil_in && (env->interrupt_index == 0 || - (env->interrupt_index & ~15) == TT_EXTINT)) { - unsigned int i; - - for (i = 15; i > 0; i--) { - if (env->pil_in & (1 << i)) { - int old_interrupt = env->interrupt_index; - - env->interrupt_index = TT_EXTINT | i; - if (old_interrupt != env->interrupt_index) { - cs = CPU(sparc_env_get_cpu(env)); - trace_leon3_set_irq(i); - cpu_interrupt(cs, CPU_INTERRUPT_HARD); - } - break; - } - } - } else if (!env->pil_in && (env->interrupt_index & ~15) == TT_EXTINT) { - cs = CPU(sparc_env_get_cpu(env)); - trace_leon3_reset_irq(env->interrupt_index & 15); - env->interrupt_index = 0; - cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD); - } -} - -static void leon3_generic_hw_init(MachineState *machine) -{ - ram_addr_t ram_size = machine->ram_size; - const char *cpu_model = machine->cpu_model; - const char *kernel_filename = machine->kernel_filename; - SPARCCPU *cpu; - CPUSPARCState *env; - MemoryRegion *address_space_mem = get_system_memory(); - MemoryRegion *ram = g_new(MemoryRegion, 1); - MemoryRegion *prom = g_new(MemoryRegion, 1); - int ret; - char *filename; - qemu_irq *cpu_irqs = NULL; - int bios_size; - int prom_size; - ResetData *reset_info; - - /* Init CPU */ - if (!cpu_model) { - cpu_model = "LEON3"; - } - - cpu = cpu_sparc_init(cpu_model); - if (cpu == NULL) { - fprintf(stderr, "qemu: Unable to find Sparc CPU definition\n"); - exit(1); - } - env = &cpu->env; - - cpu_sparc_set_id(env, 0); - - /* Reset data */ - reset_info = g_malloc0(sizeof(ResetData)); - reset_info->cpu = cpu; - reset_info->sp = 0x40000000 + ram_size; - qemu_register_reset(main_cpu_reset, reset_info); - - /* Allocate IRQ manager */ - grlib_irqmp_create(0x80000200, env, &cpu_irqs, MAX_PILS, &leon3_set_pil_in); - - env->qemu_irq_ack = leon3_irq_manager; - - /* Allocate RAM */ - if ((uint64_t)ram_size > (1UL << 30)) { - fprintf(stderr, - "qemu: Too much memory for this machine: %d, maximum 1G\n", - (unsigned int)(ram_size / (1024 * 1024))); - exit(1); - } - - memory_region_allocate_system_memory(ram, NULL, "leon3.ram", ram_size); - memory_region_add_subregion(address_space_mem, 0x40000000, ram); - - /* Allocate BIOS */ - prom_size = 8 * 1024 * 1024; /* 8Mb */ - memory_region_init_ram(prom, NULL, "Leon3.bios", prom_size, &error_fatal); - vmstate_register_ram_global(prom); - memory_region_set_readonly(prom, true); - memory_region_add_subregion(address_space_mem, 0x00000000, prom); - - /* Load boot prom */ - if (bios_name == NULL) { - bios_name = PROM_FILENAME; - } - filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); - - bios_size = get_image_size(filename); - - if (bios_size > prom_size) { - fprintf(stderr, "qemu: could not load prom '%s': file too big\n", - filename); - exit(1); - } - - if (bios_size > 0) { - ret = load_image_targphys(filename, 0x00000000, bios_size); - if (ret < 0 || ret > prom_size) { - fprintf(stderr, "qemu: could not load prom '%s'\n", filename); - exit(1); - } - } else if (kernel_filename == NULL && !qtest_enabled()) { - fprintf(stderr, "Can't read bios image %s\n", filename); - exit(1); - } - g_free(filename); - - /* Can directly load an application. */ - if (kernel_filename != NULL) { - long kernel_size; - uint64_t entry; - - kernel_size = load_elf(kernel_filename, NULL, NULL, &entry, NULL, NULL, - 1 /* big endian */, EM_SPARC, 0, 0); - if (kernel_size < 0) { - fprintf(stderr, "qemu: could not load kernel '%s'\n", - kernel_filename); - exit(1); - } - if (bios_size <= 0) { - /* If there is no bios/monitor, start the application. */ - env->pc = entry; - env->npc = entry + 4; - reset_info->entry = entry; - } - } - - /* Allocate timers */ - grlib_gptimer_create(0x80000300, 2, CPU_CLK, cpu_irqs, 6); - - /* Allocate uart */ - if (serial_hds[0]) { - grlib_apbuart_create(0x80000100, serial_hds[0], cpu_irqs[3]); - } -} - -static void leon3_generic_machine_init(MachineClass *mc) -{ - mc->desc = "Leon-3 generic"; - mc->init = leon3_generic_hw_init; -} - -DEFINE_MACHINE("leon3_generic", leon3_generic_machine_init) |