5c6602c546
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5630 c046a42c-6fe2-441c-8c8c-71466251a162
614 lines
20 KiB
C
614 lines
20 KiB
C
/*
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* QEMU Sun4u/Sun4v System Emulator
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*
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* Copyright (c) 2005 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "hw.h"
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#include "pci.h"
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#include "pc.h"
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#include "nvram.h"
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#include "fdc.h"
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#include "net.h"
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#include "qemu-timer.h"
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#include "sysemu.h"
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#include "boards.h"
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#include "firmware_abi.h"
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#include "fw_cfg.h"
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//#define DEBUG_IRQ
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#ifdef DEBUG_IRQ
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#define DPRINTF(fmt, args...) \
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do { printf("CPUIRQ: " fmt , ##args); } while (0)
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#else
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#define DPRINTF(fmt, args...)
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#endif
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#define KERNEL_LOAD_ADDR 0x00404000
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#define CMDLINE_ADDR 0x003ff000
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#define INITRD_LOAD_ADDR 0x00300000
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#define PROM_SIZE_MAX (4 * 1024 * 1024)
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#define PROM_VADDR 0x000ffd00000ULL
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#define APB_SPECIAL_BASE 0x1fe00000000ULL
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#define APB_MEM_BASE 0x1ff00000000ULL
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#define VGA_BASE (APB_MEM_BASE + 0x400000ULL)
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#define PROM_FILENAME "openbios-sparc64"
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#define NVRAM_SIZE 0x2000
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#define MAX_IDE_BUS 2
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#define BIOS_CFG_IOPORT 0x510
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#define MAX_PILS 16
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struct hwdef {
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const char * const default_cpu_model;
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uint16_t machine_id;
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uint64_t prom_addr;
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uint64_t console_serial_base;
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};
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int DMA_get_channel_mode (int nchan)
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{
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return 0;
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}
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int DMA_read_memory (int nchan, void *buf, int pos, int size)
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{
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return 0;
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}
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int DMA_write_memory (int nchan, void *buf, int pos, int size)
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{
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return 0;
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}
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void DMA_hold_DREQ (int nchan) {}
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void DMA_release_DREQ (int nchan) {}
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void DMA_schedule(int nchan) {}
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void DMA_init (int high_page_enable) {}
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void DMA_register_channel (int nchan,
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DMA_transfer_handler transfer_handler,
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void *opaque)
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{
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}
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static int nvram_boot_set(void *opaque, const char *boot_device)
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{
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unsigned int i;
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uint8_t image[sizeof(ohwcfg_v3_t)];
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ohwcfg_v3_t *header = (ohwcfg_v3_t *)ℑ
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m48t59_t *nvram = (m48t59_t *)opaque;
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for (i = 0; i < sizeof(image); i++)
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image[i] = m48t59_read(nvram, i) & 0xff;
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pstrcpy((char *)header->boot_devices, sizeof(header->boot_devices),
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boot_device);
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header->nboot_devices = strlen(boot_device) & 0xff;
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header->crc = cpu_to_be16(OHW_compute_crc(header, 0x00, 0xF8));
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for (i = 0; i < sizeof(image); i++)
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m48t59_write(nvram, i, image[i]);
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return 0;
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}
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static int sun4u_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size,
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const char *arch,
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ram_addr_t RAM_size,
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const char *boot_devices,
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uint32_t kernel_image, uint32_t kernel_size,
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const char *cmdline,
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uint32_t initrd_image, uint32_t initrd_size,
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uint32_t NVRAM_image,
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int width, int height, int depth,
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const uint8_t *macaddr)
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{
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unsigned int i;
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uint32_t start, end;
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uint8_t image[0x1ff0];
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ohwcfg_v3_t *header = (ohwcfg_v3_t *)ℑ
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struct sparc_arch_cfg *sparc_header;
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struct OpenBIOS_nvpart_v1 *part_header;
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memset(image, '\0', sizeof(image));
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// Try to match PPC NVRAM
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pstrcpy((char *)header->struct_ident, sizeof(header->struct_ident),
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"QEMU_BIOS");
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header->struct_version = cpu_to_be32(3); /* structure v3 */
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header->nvram_size = cpu_to_be16(NVRAM_size);
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header->nvram_arch_ptr = cpu_to_be16(sizeof(ohwcfg_v3_t));
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header->nvram_arch_size = cpu_to_be16(sizeof(struct sparc_arch_cfg));
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pstrcpy((char *)header->arch, sizeof(header->arch), arch);
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header->nb_cpus = smp_cpus & 0xff;
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header->RAM0_base = 0;
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header->RAM0_size = cpu_to_be64((uint64_t)RAM_size);
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pstrcpy((char *)header->boot_devices, sizeof(header->boot_devices),
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boot_devices);
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header->nboot_devices = strlen(boot_devices) & 0xff;
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header->kernel_image = cpu_to_be64((uint64_t)kernel_image);
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header->kernel_size = cpu_to_be64((uint64_t)kernel_size);
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if (cmdline) {
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pstrcpy_targphys(CMDLINE_ADDR, TARGET_PAGE_SIZE, cmdline);
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header->cmdline = cpu_to_be64((uint64_t)CMDLINE_ADDR);
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header->cmdline_size = cpu_to_be64((uint64_t)strlen(cmdline));
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}
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header->initrd_image = cpu_to_be64((uint64_t)initrd_image);
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header->initrd_size = cpu_to_be64((uint64_t)initrd_size);
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header->NVRAM_image = cpu_to_be64((uint64_t)NVRAM_image);
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header->width = cpu_to_be16(width);
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header->height = cpu_to_be16(height);
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header->depth = cpu_to_be16(depth);
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if (nographic)
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header->graphic_flags = cpu_to_be16(OHW_GF_NOGRAPHICS);
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header->crc = cpu_to_be16(OHW_compute_crc(header, 0x00, 0xF8));
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// Architecture specific header
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start = sizeof(ohwcfg_v3_t);
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sparc_header = (struct sparc_arch_cfg *)&image[start];
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sparc_header->valid = 0;
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start += sizeof(struct sparc_arch_cfg);
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// OpenBIOS nvram variables
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// Variable partition
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part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
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part_header->signature = OPENBIOS_PART_SYSTEM;
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pstrcpy(part_header->name, sizeof(part_header->name), "system");
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end = start + sizeof(struct OpenBIOS_nvpart_v1);
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for (i = 0; i < nb_prom_envs; i++)
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end = OpenBIOS_set_var(image, end, prom_envs[i]);
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// End marker
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image[end++] = '\0';
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end = start + ((end - start + 15) & ~15);
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OpenBIOS_finish_partition(part_header, end - start);
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// free partition
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start = end;
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part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
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part_header->signature = OPENBIOS_PART_FREE;
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pstrcpy(part_header->name, sizeof(part_header->name), "free");
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end = 0x1fd0;
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OpenBIOS_finish_partition(part_header, end - start);
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Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
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for (i = 0; i < sizeof(image); i++)
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m48t59_write(nvram, i, image[i]);
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qemu_register_boot_set(nvram_boot_set, nvram);
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return 0;
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}
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void pic_info(void)
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{
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}
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void irq_info(void)
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{
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}
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void cpu_check_irqs(CPUState *env)
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{
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uint32_t pil = env->pil_in | (env->softint & ~SOFTINT_TIMER) |
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((env->softint & SOFTINT_TIMER) << 14);
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if (pil && (env->interrupt_index == 0 ||
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(env->interrupt_index & ~15) == TT_EXTINT)) {
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unsigned int i;
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for (i = 15; i > 0; i--) {
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if (pil & (1 << i)) {
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int old_interrupt = env->interrupt_index;
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env->interrupt_index = TT_EXTINT | i;
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if (old_interrupt != env->interrupt_index) {
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DPRINTF("Set CPU IRQ %d\n", i);
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cpu_interrupt(env, CPU_INTERRUPT_HARD);
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}
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break;
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}
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}
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} else if (!pil && (env->interrupt_index & ~15) == TT_EXTINT) {
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DPRINTF("Reset CPU IRQ %d\n", env->interrupt_index & 15);
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env->interrupt_index = 0;
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cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
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}
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}
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static void cpu_set_irq(void *opaque, int irq, int level)
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{
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CPUState *env = opaque;
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if (level) {
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DPRINTF("Raise CPU IRQ %d\n", irq);
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env->halted = 0;
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env->pil_in |= 1 << irq;
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cpu_check_irqs(env);
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} else {
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DPRINTF("Lower CPU IRQ %d\n", irq);
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env->pil_in &= ~(1 << irq);
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cpu_check_irqs(env);
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}
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}
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void qemu_system_powerdown(void)
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{
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}
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typedef struct ResetData {
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CPUState *env;
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uint64_t reset_addr;
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} ResetData;
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static void main_cpu_reset(void *opaque)
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{
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ResetData *s = (ResetData *)opaque;
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CPUState *env = s->env;
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cpu_reset(env);
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ptimer_set_limit(env->tick, 0x7fffffffffffffffULL, 1);
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ptimer_run(env->tick, 0);
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ptimer_set_limit(env->stick, 0x7fffffffffffffffULL, 1);
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ptimer_run(env->stick, 0);
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ptimer_set_limit(env->hstick, 0x7fffffffffffffffULL, 1);
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ptimer_run(env->hstick, 0);
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env->gregs[1] = 0; // Memory start
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env->gregs[2] = ram_size; // Memory size
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env->gregs[3] = 0; // Machine description XXX
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env->pc = s->reset_addr;
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env->npc = env->pc + 4;
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}
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static void tick_irq(void *opaque)
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{
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CPUState *env = opaque;
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env->softint |= SOFTINT_TIMER;
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cpu_interrupt(env, CPU_INTERRUPT_TIMER);
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}
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static void stick_irq(void *opaque)
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{
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CPUState *env = opaque;
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env->softint |= SOFTINT_TIMER;
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cpu_interrupt(env, CPU_INTERRUPT_TIMER);
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}
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static void hstick_irq(void *opaque)
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{
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CPUState *env = opaque;
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env->softint |= SOFTINT_TIMER;
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cpu_interrupt(env, CPU_INTERRUPT_TIMER);
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}
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void cpu_tick_set_count(void *opaque, uint64_t count)
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{
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ptimer_set_count(opaque, -count);
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}
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uint64_t cpu_tick_get_count(void *opaque)
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{
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return -ptimer_get_count(opaque);
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}
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void cpu_tick_set_limit(void *opaque, uint64_t limit)
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{
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ptimer_set_limit(opaque, -limit, 0);
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}
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static const int ide_iobase[2] = { 0x1f0, 0x170 };
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static const int ide_iobase2[2] = { 0x3f6, 0x376 };
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static const int ide_irq[2] = { 14, 15 };
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static const int serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
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static const int serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 };
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static const int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc };
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static const int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 };
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static fdctrl_t *floppy_controller;
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static void sun4uv_init(ram_addr_t RAM_size, int vga_ram_size,
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const char *boot_devices, DisplayState *ds,
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const char *kernel_filename, const char *kernel_cmdline,
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const char *initrd_filename, const char *cpu_model,
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const struct hwdef *hwdef)
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{
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CPUState *env;
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char buf[1024];
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m48t59_t *nvram;
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int ret, linux_boot;
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unsigned int i;
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ram_addr_t ram_offset, prom_offset, vga_ram_offset;
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long initrd_size, kernel_size;
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PCIBus *pci_bus;
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QEMUBH *bh;
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qemu_irq *irq;
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int drive_index;
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BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
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BlockDriverState *fd[MAX_FD];
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void *fw_cfg;
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ResetData *reset_info;
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linux_boot = (kernel_filename != NULL);
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/* init CPUs */
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if (!cpu_model)
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cpu_model = hwdef->default_cpu_model;
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env = cpu_init(cpu_model);
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if (!env) {
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fprintf(stderr, "Unable to find Sparc CPU definition\n");
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exit(1);
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}
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bh = qemu_bh_new(tick_irq, env);
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env->tick = ptimer_init(bh);
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ptimer_set_period(env->tick, 1ULL);
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bh = qemu_bh_new(stick_irq, env);
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env->stick = ptimer_init(bh);
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ptimer_set_period(env->stick, 1ULL);
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bh = qemu_bh_new(hstick_irq, env);
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env->hstick = ptimer_init(bh);
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ptimer_set_period(env->hstick, 1ULL);
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reset_info = qemu_mallocz(sizeof(ResetData));
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reset_info->env = env;
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reset_info->reset_addr = hwdef->prom_addr + 0x40ULL;
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qemu_register_reset(main_cpu_reset, reset_info);
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main_cpu_reset(reset_info);
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// Override warm reset address with cold start address
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env->pc = hwdef->prom_addr + 0x20ULL;
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env->npc = env->pc + 4;
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/* allocate RAM */
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ram_offset = qemu_ram_alloc(RAM_size);
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cpu_register_physical_memory(0, RAM_size, ram_offset);
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prom_offset = qemu_ram_alloc(PROM_SIZE_MAX);
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cpu_register_physical_memory(hwdef->prom_addr,
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(PROM_SIZE_MAX + TARGET_PAGE_SIZE) &
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TARGET_PAGE_MASK,
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prom_offset | IO_MEM_ROM);
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if (bios_name == NULL)
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bios_name = PROM_FILENAME;
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snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
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ret = load_elf(buf, hwdef->prom_addr - PROM_VADDR, NULL, NULL, NULL);
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if (ret < 0) {
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ret = load_image_targphys(buf, hwdef->prom_addr,
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(PROM_SIZE_MAX + TARGET_PAGE_SIZE) &
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TARGET_PAGE_MASK);
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if (ret < 0) {
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fprintf(stderr, "qemu: could not load prom '%s'\n",
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buf);
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exit(1);
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}
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}
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kernel_size = 0;
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initrd_size = 0;
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if (linux_boot) {
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/* XXX: put correct offset */
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kernel_size = load_elf(kernel_filename, 0, NULL, NULL, NULL);
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if (kernel_size < 0)
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kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
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ram_size - KERNEL_LOAD_ADDR);
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if (kernel_size < 0)
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kernel_size = load_image_targphys(kernel_filename,
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KERNEL_LOAD_ADDR,
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ram_size - KERNEL_LOAD_ADDR);
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if (kernel_size < 0) {
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fprintf(stderr, "qemu: could not load kernel '%s'\n",
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kernel_filename);
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exit(1);
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}
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/* load initrd */
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if (initrd_filename) {
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initrd_size = load_image_targphys(initrd_filename,
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INITRD_LOAD_ADDR,
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ram_size - INITRD_LOAD_ADDR);
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if (initrd_size < 0) {
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fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
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initrd_filename);
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exit(1);
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}
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}
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if (initrd_size > 0) {
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for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
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if (ldl_phys(KERNEL_LOAD_ADDR + i) == 0x48647253) { // HdrS
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stl_phys(KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR);
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stl_phys(KERNEL_LOAD_ADDR + i + 20, initrd_size);
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break;
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}
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}
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}
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}
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pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, NULL);
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isa_mem_base = VGA_BASE;
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vga_ram_offset = qemu_ram_alloc(vga_ram_size);
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pci_cirrus_vga_init(pci_bus, ds, phys_ram_base + vga_ram_offset,
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vga_ram_offset, vga_ram_size);
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i = 0;
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if (hwdef->console_serial_base) {
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serial_mm_init(hwdef->console_serial_base, 0, NULL, 115200,
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serial_hds[i], 1);
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i++;
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}
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for(; i < MAX_SERIAL_PORTS; i++) {
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if (serial_hds[i]) {
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serial_init(serial_io[i], NULL/*serial_irq[i]*/, 115200,
|
|
serial_hds[i]);
|
|
}
|
|
}
|
|
|
|
for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
|
|
if (parallel_hds[i]) {
|
|
parallel_init(parallel_io[i], NULL/*parallel_irq[i]*/,
|
|
parallel_hds[i]);
|
|
}
|
|
}
|
|
|
|
for(i = 0; i < nb_nics; i++) {
|
|
if (!nd_table[i].model)
|
|
nd_table[i].model = "ne2k_pci";
|
|
pci_nic_init(pci_bus, &nd_table[i], -1);
|
|
}
|
|
|
|
irq = qemu_allocate_irqs(cpu_set_irq, env, MAX_PILS);
|
|
if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
|
|
fprintf(stderr, "qemu: too many IDE bus\n");
|
|
exit(1);
|
|
}
|
|
for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
|
|
drive_index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS,
|
|
i % MAX_IDE_DEVS);
|
|
if (drive_index != -1)
|
|
hd[i] = drives_table[drive_index].bdrv;
|
|
else
|
|
hd[i] = NULL;
|
|
}
|
|
|
|
// XXX pci_cmd646_ide_init(pci_bus, hd, 1);
|
|
pci_piix3_ide_init(pci_bus, hd, -1, irq);
|
|
/* FIXME: wire up interrupts. */
|
|
i8042_init(NULL/*1*/, NULL/*12*/, 0x60);
|
|
for(i = 0; i < MAX_FD; i++) {
|
|
drive_index = drive_get_index(IF_FLOPPY, 0, i);
|
|
if (drive_index != -1)
|
|
fd[i] = drives_table[drive_index].bdrv;
|
|
else
|
|
fd[i] = NULL;
|
|
}
|
|
floppy_controller = fdctrl_init(NULL/*6*/, 2, 0, 0x3f0, fd);
|
|
nvram = m48t59_init(NULL/*8*/, 0, 0x0074, NVRAM_SIZE, 59);
|
|
sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", RAM_size, boot_devices,
|
|
KERNEL_LOAD_ADDR, kernel_size,
|
|
kernel_cmdline,
|
|
INITRD_LOAD_ADDR, initrd_size,
|
|
/* XXX: need an option to load a NVRAM image */
|
|
0,
|
|
graphic_width, graphic_height, graphic_depth,
|
|
(uint8_t *)&nd_table[0].macaddr);
|
|
|
|
fw_cfg = fw_cfg_init(BIOS_CFG_IOPORT, BIOS_CFG_IOPORT + 1, 0, 0);
|
|
fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
|
|
fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
|
|
fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
|
|
}
|
|
|
|
enum {
|
|
sun4u_id = 0,
|
|
sun4v_id = 64,
|
|
niagara_id,
|
|
};
|
|
|
|
static const struct hwdef hwdefs[] = {
|
|
/* Sun4u generic PC-like machine */
|
|
{
|
|
.default_cpu_model = "TI UltraSparc II",
|
|
.machine_id = sun4u_id,
|
|
.prom_addr = 0x1fff0000000ULL,
|
|
.console_serial_base = 0,
|
|
},
|
|
/* Sun4v generic PC-like machine */
|
|
{
|
|
.default_cpu_model = "Sun UltraSparc T1",
|
|
.machine_id = sun4v_id,
|
|
.prom_addr = 0x1fff0000000ULL,
|
|
.console_serial_base = 0,
|
|
},
|
|
/* Sun4v generic Niagara machine */
|
|
{
|
|
.default_cpu_model = "Sun UltraSparc T1",
|
|
.machine_id = niagara_id,
|
|
.prom_addr = 0xfff0000000ULL,
|
|
.console_serial_base = 0xfff0c2c000ULL,
|
|
},
|
|
};
|
|
|
|
/* Sun4u hardware initialisation */
|
|
static void sun4u_init(ram_addr_t RAM_size, int vga_ram_size,
|
|
const char *boot_devices, DisplayState *ds,
|
|
const char *kernel_filename, const char *kernel_cmdline,
|
|
const char *initrd_filename, const char *cpu_model)
|
|
{
|
|
sun4uv_init(RAM_size, vga_ram_size, boot_devices, ds, kernel_filename,
|
|
kernel_cmdline, initrd_filename, cpu_model, &hwdefs[0]);
|
|
}
|
|
|
|
/* Sun4v hardware initialisation */
|
|
static void sun4v_init(ram_addr_t RAM_size, int vga_ram_size,
|
|
const char *boot_devices, DisplayState *ds,
|
|
const char *kernel_filename, const char *kernel_cmdline,
|
|
const char *initrd_filename, const char *cpu_model)
|
|
{
|
|
sun4uv_init(RAM_size, vga_ram_size, boot_devices, ds, kernel_filename,
|
|
kernel_cmdline, initrd_filename, cpu_model, &hwdefs[1]);
|
|
}
|
|
|
|
/* Niagara hardware initialisation */
|
|
static void niagara_init(ram_addr_t RAM_size, int vga_ram_size,
|
|
const char *boot_devices, DisplayState *ds,
|
|
const char *kernel_filename, const char *kernel_cmdline,
|
|
const char *initrd_filename, const char *cpu_model)
|
|
{
|
|
sun4uv_init(RAM_size, vga_ram_size, boot_devices, ds, kernel_filename,
|
|
kernel_cmdline, initrd_filename, cpu_model, &hwdefs[2]);
|
|
}
|
|
|
|
QEMUMachine sun4u_machine = {
|
|
.name = "sun4u",
|
|
.desc = "Sun4u platform",
|
|
.init = sun4u_init,
|
|
.ram_require = PROM_SIZE_MAX + VGA_RAM_SIZE,
|
|
.nodisk_ok = 1,
|
|
.max_cpus = 1, // XXX for now
|
|
};
|
|
|
|
QEMUMachine sun4v_machine = {
|
|
.name = "sun4v",
|
|
.desc = "Sun4v platform",
|
|
.init = sun4v_init,
|
|
.ram_require = PROM_SIZE_MAX + VGA_RAM_SIZE,
|
|
.nodisk_ok = 1,
|
|
.max_cpus = 1, // XXX for now
|
|
};
|
|
|
|
QEMUMachine niagara_machine = {
|
|
.name = "Niagara",
|
|
.desc = "Sun4v platform, Niagara",
|
|
.init = niagara_init,
|
|
.ram_require = PROM_SIZE_MAX + VGA_RAM_SIZE,
|
|
.nodisk_ok = 1,
|
|
.max_cpus = 1, // XXX for now
|
|
};
|