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Initial SPARC SMP support (Blue Swirl)

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1694 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-12-05 20:31:52 +00:00
parent b9788fc4c4
commit ba3c64fb47
12 changed files with 196 additions and 54 deletions
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32
hw/sun4m.c
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@ -56,6 +56,7 @@
#define PHYS_JJ_FDC 0x71400000 /* Floppy */
#define PHYS_JJ_FLOPPY_IRQ 22
#define PHYS_JJ_ME_IRQ 30 /* Module error, power fail */
#define MAX_CPUS 16
/* TSC handling */
@ -128,6 +129,8 @@ static void nvram_init(m48t59_t *nvram, uint8_t *macaddr, const char *cmdline,
nvram_set_string(nvram, 0x00, "QEMU_BIOS", 16);
nvram_set_lword(nvram, 0x10, 0x00000001); /* structure v1 */
// NVRAM_size, arch not applicable
m48t59_write(nvram, 0x2D, smp_cpus & 0xff);
m48t59_write(nvram, 0x2E, 0);
m48t59_write(nvram, 0x2F, nographic & 0xff);
nvram_set_lword(nvram, 0x30, RAM_size);
m48t59_write(nvram, 0x34, boot_device & 0xff);
@ -179,6 +182,11 @@ void pic_set_irq(int irq, int level)
slavio_pic_set_irq(slavio_intctl, irq, level);
}
void pic_set_irq_cpu(int irq, int level, unsigned int cpu)
{
slavio_pic_set_irq_cpu(slavio_intctl, irq, level, cpu);
}
static void *tcx;
void vga_update_display()
@ -222,7 +230,7 @@ static void sun4m_init(int ram_size, int vga_ram_size, int boot_device,
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename)
{
CPUState *env;
CPUState *env, *envs[MAX_CPUS];
char buf[1024];
int ret, linux_boot;
unsigned int i;
@ -230,19 +238,31 @@ static void sun4m_init(int ram_size, int vga_ram_size, int boot_device,
linux_boot = (kernel_filename != NULL);
env = cpu_init();
register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
qemu_register_reset(main_cpu_reset, env);
/* init CPUs */
for(i = 0; i < smp_cpus; i++) {
env = cpu_init();
envs[i] = env;
if (i != 0)
env->halted = 1;
register_savevm("cpu", i, 3, cpu_save, cpu_load, env);
qemu_register_reset(main_cpu_reset, env);
}
/* allocate RAM */
cpu_register_physical_memory(0, ram_size, 0);
iommu = iommu_init(PHYS_JJ_IOMMU);
slavio_intctl = slavio_intctl_init(PHYS_JJ_INTR0, PHYS_JJ_INTR_G);
for(i = 0; i < smp_cpus; i++) {
slavio_intctl_set_cpu(slavio_intctl, i, envs[i]);
}
tcx = tcx_init(ds, PHYS_JJ_TCX_FB, phys_ram_base + ram_size, ram_size, vram_size, graphic_width, graphic_height);
lance_init(&nd_table[0], PHYS_JJ_LE_IRQ, PHYS_JJ_LE, PHYS_JJ_LEDMA);
nvram = m48t59_init(0, PHYS_JJ_EEPROM, 0, PHYS_JJ_EEPROM_SIZE, 8);
slavio_timer_init(PHYS_JJ_CLOCK, PHYS_JJ_CLOCK_IRQ, PHYS_JJ_CLOCK1, PHYS_JJ_CLOCK1_IRQ);
for (i = 0; i < MAX_CPUS; i++) {
slavio_timer_init(PHYS_JJ_CLOCK + i * TARGET_PAGE_SIZE, PHYS_JJ_CLOCK_IRQ, 0, i);
}
slavio_timer_init(PHYS_JJ_CLOCK1, PHYS_JJ_CLOCK1_IRQ, 2, (unsigned int)-1);
slavio_serial_ms_kbd_init(PHYS_JJ_MS_KBD, PHYS_JJ_MS_KBD_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