diff options
Diffstat (limited to 'hw/sun4m.c')
| -rw-r--r-- | hw/sun4m.c | 77 |
1 files changed, 30 insertions, 47 deletions
diff --git a/hw/sun4m.c b/hw/sun4m.c index 05dbd56a5..80305e09c 100644 --- a/hw/sun4m.c +++ b/hw/sun4m.c @@ -28,12 +28,26 @@ #define MMU_CONTEXT_TBL 0x00003000 #define MMU_L1PTP (MMU_CONTEXT_TBL + 0x0400) #define MMU_L2PTP (MMU_CONTEXT_TBL + 0x0800) -#define ROMVEC_DATA (MMU_CONTEXT_TBL + 0x1800) #define PROM_ADDR 0xffd04000 -#define PROM_FILENAME "proll.bin" +#define PROM_FILENAMEB "proll.bin" +#define PROM_FILENAMEE "proll.elf" +#define PROLL_MAGIC_ADDR 0x20000000 #define PHYS_JJ_EEPROM 0x71200000 /* [2000] MK48T08 */ #define PHYS_JJ_IDPROM_OFF 0x1FD8 #define PHYS_JJ_EEPROM_SIZE 0x2000 +#define PHYS_JJ_IOMMU 0x10000000 /* First page of sun4m IOMMU */ +#define PHYS_JJ_TCX_FB 0x50800000 /* Start address, frame buffer body */ +#define PHYS_JJ_TCX_0E 0x5E000000 /* Top address, one byte used. */ +#define PHYS_JJ_IOMMU 0x10000000 /* First page of sun4m IOMMU */ +#define PHYS_JJ_LEDMA 0x78400010 /* ledma, off by 10 from unused SCSI */ +#define PHYS_JJ_LE 0x78C00000 /* LANCE, typical sun4m */ +#define PHYS_JJ_LE_IRQ 6 +#define PHYS_JJ_CLOCK 0x71D00000 +#define PHYS_JJ_CLOCK_IRQ 10 +#define PHYS_JJ_CLOCK1 0x71D10000 +#define PHYS_JJ_CLOCK1_IRQ 14 +#define PHYS_JJ_INTR0 0x71E00000 /* CPU0 interrupt control registers */ +#define PHYS_JJ_INTR_G 0x71E10000 /* Master interrupt control registers */ /* TSC handling */ @@ -44,8 +58,6 @@ uint64_t cpu_get_tsc() void DMA_run() {} void SB16_run() {} -void vga_invalidate_display() {} -void vga_screen_dump(const char *filename) {} int serial_can_receive(SerialState *s) { return 0; } void serial_receive_byte(SerialState *s, int ch) {} void serial_receive_break(SerialState *s) {} @@ -59,7 +71,7 @@ void sun4m_init(int ram_size, int vga_ram_size, int boot_device, const char *initrd_filename) { char buf[1024]; - int ret, linux_boot, bios_size; + int ret, linux_boot; unsigned long bios_offset; linux_boot = (kernel_filename != NULL); @@ -68,32 +80,21 @@ void sun4m_init(int ram_size, int vga_ram_size, int boot_device, cpu_register_physical_memory(0, ram_size, 0); bios_offset = ram_size; - iommu_init(); - sched_init(); - tcx_init(ds); - lance_init(&nd_table[0], 6); - nvram = m48t08_init(PHYS_JJ_EEPROM, PHYS_JJ_EEPROM_SIZE); - - magic_init(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR); - -#if 0 - snprintf(buf, sizeof(buf), "%s/%s", bios_dir, PROM_FILENAME); - bios_size = get_image_size(buf); - ret = load_image(buf, phys_ram_base + bios_offset); - if (ret != bios_size) { - fprintf(stderr, "qemu: could not load prom '%s'\n", buf); - exit(1); - } - cpu_register_physical_memory(PROM_ADDR, - bios_size, bios_offset | IO_MEM_ROM); -#endif + iommu_init(PHYS_JJ_IOMMU); + sched_init(PHYS_JJ_INTR0, PHYS_JJ_INTR_G); + tcx_init(ds, PHYS_JJ_TCX_FB); + lance_init(&nd_table[0], PHYS_JJ_LE_IRQ, PHYS_JJ_LE, PHYS_JJ_LEDMA); + nvram = m48t08_init(PHYS_JJ_EEPROM, PHYS_JJ_EEPROM_SIZE, &nd_table[0].macaddr); + timer_init(PHYS_JJ_CLOCK, PHYS_JJ_CLOCK_IRQ); + timer_init(PHYS_JJ_CLOCK1, PHYS_JJ_CLOCK1_IRQ); + magic_init(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR, PROLL_MAGIC_ADDR); /* We load Proll as the kernel and start it. It will issue a magic IO to load the real kernel */ if (linux_boot) { - snprintf(buf, sizeof(buf), "%s/%s", bios_dir, PROM_FILENAME); + snprintf(buf, sizeof(buf), "%s/%s", bios_dir, PROM_FILENAMEB); ret = load_kernel(buf, - phys_ram_base + KERNEL_LOAD_ADDR); + phys_ram_base + KERNEL_LOAD_ADDR); if (ret < 0) { fprintf(stderr, "qemu: could not load kernel '%s'\n", buf); @@ -103,28 +104,10 @@ void sun4m_init(int ram_size, int vga_ram_size, int boot_device, /* Setup a MMU entry for entire address space */ stl_raw(phys_ram_base + MMU_CONTEXT_TBL, (MMU_L1PTP >> 4) | 1); stl_raw(phys_ram_base + MMU_L1PTP, (MMU_L2PTP >> 4) | 1); -#if 0 - stl_raw(phys_ram_base + MMU_L1PTP + (0x50 << 2), (MMU_L2PTP >> 4) | 1); // frame buffer at 50.. -#endif + stl_raw(phys_ram_base + MMU_L1PTP + (0x01 << 2), (MMU_L2PTP >> 4) | 1); // 01.. == 00.. stl_raw(phys_ram_base + MMU_L1PTP + (0xff << 2), (MMU_L2PTP >> 4) | 1); // ff.. == 00.. + stl_raw(phys_ram_base + MMU_L1PTP + (0xf0 << 2), (MMU_L2PTP >> 4) | 1); // f0.. == 00.. /* 3 = U:RWX S:RWX */ stl_raw(phys_ram_base + MMU_L2PTP, (3 << PTE_ACCESS_SHIFT) | 2); -#if 0 - stl_raw(phys_ram_base + MMU_L2PTP + 0x84, (PHYS_JJ_TCX_FB >> 4) \ - | (3 << PTE_ACCESS_SHIFT) | 2); // frame buf - stl_raw(phys_ram_base + MMU_L2PTP + 0x88, (PHYS_JJ_TCX_FB >> 4) \ - | (3 << PTE_ACCESS_SHIFT) | 2); // frame buf - stl_raw(phys_ram_base + MMU_L2PTP + 0x140, (PHYS_JJ_TCX_FB >> 4) \ - | (3 << PTE_ACCESS_SHIFT) | 2); // frame buf - // "Empirical constant" - stl_raw(phys_ram_base + ROMVEC_DATA, 0x10010407); - - // Version: V3 prom - stl_raw(phys_ram_base + ROMVEC_DATA + 4, 3); - - stl_raw(phys_ram_base + ROMVEC_DATA + 0x1c, ROMVEC_DATA+0x400); - stl_raw(phys_ram_base + ROMVEC_DATA + 0x400, ROMVEC_DATA+0x404); - stl_raw(phys_ram_base + ROMVEC_DATA + 0x404, 0x81c3e008); // retl - stl_raw(phys_ram_base + ROMVEC_DATA + 0x408, 0x01000000); // nop -#endif + stl_raw(phys_ram_base + MMU_L2PTP, ((0x01 << PTE_PPN_SHIFT) >> 4 ) | (3 << PTE_ACCESS_SHIFT) | 2); } |