/*
* QEMU Sun4m System Emulator
- *
+ *
* Copyright (c) 2003-2005 Fabrice Bellard
- *
+ *
* 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
#define KERNEL_LOAD_ADDR 0x00004000
#define CMDLINE_ADDR 0x007ff000
#define INITRD_LOAD_ADDR 0x00800000
-#define PROM_SIZE_MAX (256 * 1024)
-#define PROM_ADDR 0xffd00000
-#define PROM_FILENAME "openbios-sparc32"
+#define PROM_SIZE_MAX (512 * 1024)
+#define PROM_PADDR 0xff0000000ULL
+#define PROM_VADDR 0xffd00000
+#define PROM_FILENAME "openbios-sparc32"
#define MAX_CPUS 16
#define MAX_PILS 16
extern int nographic;
static void nvram_init(m48t59_t *nvram, uint8_t *macaddr, const char *cmdline,
- int boot_device, uint32_t RAM_size,
- uint32_t kernel_size,
- int width, int height, int depth,
+ int boot_device, uint32_t RAM_size,
+ uint32_t kernel_size,
+ int width, int height, int depth,
int machine_id)
{
unsigned char tmp = 0;
nvram_set_lword(nvram, 0x38, KERNEL_LOAD_ADDR);
nvram_set_lword(nvram, 0x3C, kernel_size);
if (cmdline) {
- strcpy(phys_ram_base + CMDLINE_ADDR, cmdline);
- nvram_set_lword(nvram, 0x40, CMDLINE_ADDR);
+ strcpy(phys_ram_base + CMDLINE_ADDR, cmdline);
+ nvram_set_lword(nvram, 0x40, CMDLINE_ADDR);
nvram_set_lword(nvram, 0x44, strlen(cmdline));
}
// initrd_image, initrd_size passed differently
slavio_irq_info(slavio_intctl);
}
+void cpu_check_irqs(CPUState *env)
+{
+ 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)
+ cpu_interrupt(env, CPU_INTERRUPT_HARD);
+ break;
+ }
+ }
+ } else if (!env->pil_in && (env->interrupt_index & ~15) == TT_EXTINT) {
+ env->interrupt_index = 0;
+ cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
+ }
+}
+
static void cpu_set_irq(void *opaque, int irq, int level)
{
CPUState *env = opaque;
if (level) {
DPRINTF("Raise CPU IRQ %d\n", irq);
-
env->halted = 0;
-
- if (env->interrupt_index == 0 ||
- ((env->interrupt_index & ~15) == TT_EXTINT &&
- (env->interrupt_index & 15) < irq)) {
- env->interrupt_index = TT_EXTINT | irq;
- cpu_interrupt(env, CPU_INTERRUPT_HARD);
- } else {
- DPRINTF("Not triggered, pending exception %d\n",
- env->interrupt_index);
- }
+ env->pil_in |= 1 << irq;
+ cpu_check_irqs(env);
} else {
DPRINTF("Lower CPU IRQ %d\n", irq);
+ env->pil_in &= ~(1 << irq);
+ cpu_check_irqs(env);
}
}
const sparc_def_t *def;
qemu_irq *cpu_irqs[MAX_CPUS], *slavio_irq, *slavio_cpu_irq,
*espdma_irq, *ledma_irq;
+ qemu_irq *esp_reset, *le_reset;
/* init CPUs */
sparc_find_by_name(cpu_model, &def);
for(i = 0; i < smp_cpus; i++) {
env = cpu_init();
- cpu_sparc_register(env, def);
+ cpu_sparc_register(env, def, i);
envs[i] = env;
if (i == 0) {
qemu_register_reset(main_cpu_reset, env);
hwdef->clock_irq);
espdma = sparc32_dma_init(hwdef->dma_base, slavio_irq[hwdef->esp_irq],
- iommu, &espdma_irq);
+ iommu, &espdma_irq, &esp_reset);
+
ledma = sparc32_dma_init(hwdef->dma_base + 16ULL,
- slavio_irq[hwdef->le_irq], iommu, &ledma_irq);
+ slavio_irq[hwdef->le_irq], iommu, &ledma_irq,
+ &le_reset);
if (graphic_depth != 8 && graphic_depth != 24) {
fprintf(stderr, "qemu: Unsupported depth: %d\n", graphic_depth);
if (nd_table[0].model == NULL
|| strcmp(nd_table[0].model, "lance") == 0) {
- lance_init(&nd_table[0], hwdef->le_base, ledma, *ledma_irq);
+ lance_init(&nd_table[0], hwdef->le_base, ledma, *ledma_irq, le_reset);
} else if (strcmp(nd_table[0].model, "?") == 0) {
fprintf(stderr, "qemu: Supported NICs: lance\n");
exit (1);
nvram = m48t59_init(slavio_irq[0], hwdef->nvram_base, 0,
hwdef->nvram_size, 8);
- for (i = 0; i < MAX_CPUS; i++) {
- slavio_timer_init(hwdef->counter_base +
- (target_phys_addr_t)(i * TARGET_PAGE_SIZE),
- slavio_cpu_irq[i], 0);
- }
- slavio_timer_init(hwdef->counter_base + 0x10000ULL,
- slavio_irq[hwdef->clock1_irq], 2);
+
+ slavio_timer_init_all(hwdef->counter_base, slavio_irq[hwdef->clock1_irq],
+ slavio_cpu_irq);
+
slavio_serial_ms_kbd_init(hwdef->ms_kb_base, slavio_irq[hwdef->ms_kb_irq]);
// Slavio TTYA (base+4, Linux ttyS0) is the first Qemu serial device
// Slavio TTYB (base+0, Linux ttyS1) is the second Qemu serial device
slavio_serial_init(hwdef->serial_base, slavio_irq[hwdef->ser_irq],
serial_hds[1], serial_hds[0]);
fdctrl_init(slavio_irq[hwdef->fd_irq], 0, 1, hwdef->fd_base, fd_table);
- main_esp = esp_init(bs_table, hwdef->esp_base, espdma, *espdma_irq);
+
+ main_esp = esp_init(bs_table, hwdef->esp_base, espdma, *espdma_irq,
+ esp_reset);
for (i = 0; i < MAX_DISKS; i++) {
if (bs_table[i]) {
linux_boot = (kernel_filename != NULL);
prom_offset = RAM_size + vram_size;
- cpu_register_physical_memory(PROM_ADDR,
- (PROM_SIZE_MAX + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK,
+ cpu_register_physical_memory(PROM_PADDR,
+ (PROM_SIZE_MAX + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK,
prom_offset | IO_MEM_ROM);
- snprintf(buf, sizeof(buf), "%s/%s", bios_dir, PROM_FILENAME);
- ret = load_elf(buf, 0, NULL, NULL, NULL);
- if (ret < 0) {
- fprintf(stderr, "qemu: could not load prom '%s'\n",
- buf);
- exit(1);
+ if (bios_name == NULL)
+ bios_name = PROM_FILENAME;
+ snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
+ ret = load_elf(buf, PROM_PADDR - PROM_VADDR, NULL, NULL, NULL);
+ if (ret < 0 || ret > PROM_SIZE_MAX)
+ ret = load_image(buf, phys_ram_base + prom_offset);
+ if (ret < 0 || ret > PROM_SIZE_MAX) {
+ fprintf(stderr, "qemu: could not load prom '%s'\n",
+ buf);
+ exit(1);
}
kernel_size = 0;
if (linux_boot) {
- kernel_size = load_elf(kernel_filename, -0xf0000000, NULL, NULL, NULL);
+ kernel_size = load_elf(kernel_filename, -0xf0000000ULL, NULL, NULL,
+ NULL);
if (kernel_size < 0)
- kernel_size = load_aout(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
- if (kernel_size < 0)
- kernel_size = load_image(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
+ kernel_size = load_aout(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
+ if (kernel_size < 0)
+ kernel_size = load_image(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
if (kernel_size < 0) {
- fprintf(stderr, "qemu: could not load kernel '%s'\n",
+ fprintf(stderr, "qemu: could not load kernel '%s'\n",
kernel_filename);
- exit(1);
+ exit(1);
}
/* load initrd */
if (initrd_filename) {
initrd_size = load_image(initrd_filename, phys_ram_base + INITRD_LOAD_ADDR);
if (initrd_size < 0) {
- fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
+ fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
initrd_filename);
exit(1);
}
}
if (initrd_size > 0) {
- for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
- if (ldl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i)
- == 0x48647253) { // HdrS
- stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR);
- stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 20, initrd_size);
- break;
- }
- }
+ for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
+ if (ldl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i)
+ == 0x48647253) { // HdrS
+ stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR);
+ stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 20, initrd_size);
+ break;
+ }
+ }
}
}
nvram_init(nvram, (uint8_t *)&nd_table[0].macaddr, kernel_cmdline,
.cs_irq = 5,
.machine_id = 0x80,
.intbit_to_level = {
- 2, 3, 5, 7, 9, 11, 0, 14, 3, 5, 7, 9, 11, 13, 12, 12,
- 6, 0, 4, 10, 8, 0, 11, 0, 0, 0, 0, 0, 15, 0, 15, 0,
+ 2, 3, 5, 7, 9, 11, 0, 14, 3, 5, 7, 9, 11, 13, 12, 12,
+ 6, 0, 4, 10, 8, 0, 11, 0, 0, 0, 0, 0, 15, 0, 15, 0,
},
},
/* SS-10 */
.cs_irq = -1,
.machine_id = 0x72,
.intbit_to_level = {
- 2, 3, 5, 7, 9, 11, 0, 14, 3, 5, 7, 9, 11, 13, 12, 12,
- 6, 0, 4, 10, 8, 0, 11, 0, 0, 0, 0, 0, 15, 0, 15, 0,
+ 2, 3, 5, 7, 9, 11, 0, 14, 3, 5, 7, 9, 11, 13, 12, 12,
+ 6, 0, 4, 10, 8, 0, 11, 0, 0, 0, 0, 0, 15, 0, 15, 0,
},
},
};
cpu_model = "TI SuperSparc II";
sun4m_common_init(RAM_size, boot_device, ds, kernel_filename,
kernel_cmdline, initrd_filename, cpu_model,
- 1, PROM_ADDR); // XXX prom overlap, actually first 4GB ok
+ 1, 0xffffffff); // XXX actually first 62GB ok
}
QEMUMachine ss5_machine = {
projects / qemu / blobdiff