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/*
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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/pci.h" |
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#include "apb_pci.h" |
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#include "pc.h" |
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#include "serial.h" |
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#include "nvram.h" |
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#include "fdc.h" |
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#include "net/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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#include "sysbus.h" |
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#include "ide.h" |
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#include "loader.h" |
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#include "elf.h" |
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#include "blockdev.h" |
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#include "exec/address-spaces.h" |
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//#define DEBUG_IRQ
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//#define DEBUG_EBUS
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//#define DEBUG_TIMER
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#ifdef DEBUG_IRQ
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#define CPUIRQ_DPRINTF(fmt, ...) \
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do { printf("CPUIRQ: " fmt , ## __VA_ARGS__); } while (0) |
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#else
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#define CPUIRQ_DPRINTF(fmt, ...)
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#endif
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|
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#ifdef DEBUG_EBUS
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#define EBUS_DPRINTF(fmt, ...) \
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do { printf("EBUS: " fmt , ## __VA_ARGS__); } while (0) |
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#else
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#define EBUS_DPRINTF(fmt, ...)
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#endif
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|
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#ifdef DEBUG_TIMER
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#define TIMER_DPRINTF(fmt, ...) \
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do { printf("TIMER: " fmt , ## __VA_ARGS__); } while (0) |
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#else
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#define TIMER_DPRINTF(fmt, ...)
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#endif
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|
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#define KERNEL_LOAD_ADDR 0x00404000 |
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#define CMDLINE_ADDR 0x003ff000 |
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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 APB_PCI_IO_BASE (APB_SPECIAL_BASE + 0x02000000ULL) |
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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 FW_CFG_SPARC64_WIDTH (FW_CFG_ARCH_LOCAL + 0x00) |
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#define FW_CFG_SPARC64_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01) |
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#define FW_CFG_SPARC64_DEPTH (FW_CFG_ARCH_LOCAL + 0x02) |
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|
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#define IVEC_MAX 0x30 |
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#define TICK_MAX 0x7fffffffffffffffULL |
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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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|
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typedef struct EbusState { |
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PCIDevice pci_dev; |
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MemoryRegion bar0; |
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MemoryRegion bar1; |
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} EbusState; |
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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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|
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void DMA_init(int high_page_enable, qemu_irq *cpu_request_exit) |
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{ |
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} |
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|
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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 fw_cfg_boot_set(void *opaque, const char *boot_device) |
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{ |
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fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
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return 0; |
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} |
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static int sun4u_NVRAM_set_params(M48t59State *nvram, uint16_t NVRAM_size, |
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const char *arch, 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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struct OpenBIOS_nvpart_v1 *part_header;
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memset(image, '\0', sizeof(image)); |
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start = 0;
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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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return 0; |
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} |
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static uint64_t sun4u_load_kernel(const char *kernel_filename, |
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const char *initrd_filename, |
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ram_addr_t RAM_size, uint64_t *initrd_size, |
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uint64_t *initrd_addr, uint64_t *kernel_addr, |
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uint64_t *kernel_entry) |
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{ |
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int linux_boot;
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unsigned int i; |
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long kernel_size;
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uint8_t *ptr; |
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uint64_t kernel_top; |
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linux_boot = (kernel_filename != NULL);
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kernel_size = 0;
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if (linux_boot) {
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int bswap_needed;
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#ifdef BSWAP_NEEDED
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bswap_needed = 1;
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#else
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bswap_needed = 0;
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#endif
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kernel_size = load_elf(kernel_filename, NULL, NULL, kernel_entry, |
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kernel_addr, &kernel_top, 1, ELF_MACHINE, 0); |
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if (kernel_size < 0) { |
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*kernel_addr = KERNEL_LOAD_ADDR; |
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*kernel_entry = KERNEL_LOAD_ADDR; |
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kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR, |
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RAM_size - KERNEL_LOAD_ADDR, bswap_needed, |
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TARGET_PAGE_SIZE); |
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} |
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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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} |
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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 above kernel */
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*initrd_size = 0;
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if (initrd_filename) {
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*initrd_addr = TARGET_PAGE_ALIGN(kernel_top); |
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*initrd_size = load_image_targphys(initrd_filename, |
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*initrd_addr, |
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RAM_size - *initrd_addr); |
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if ((int)*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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ptr = rom_ptr(*kernel_addr + i); |
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if (ldl_p(ptr + 8) == 0x48647253) { /* HdrS */ |
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stl_p(ptr + 24, *initrd_addr + *kernel_addr);
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stl_p(ptr + 28, *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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return kernel_size;
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} |
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void cpu_check_irqs(CPUSPARCState *env)
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{ |
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uint32_t pil = env->pil_in | |
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(env->softint & ~(SOFTINT_TIMER | SOFTINT_STIMER)); |
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/* TT_IVEC has a higher priority (16) than TT_EXTINT (31..17) */
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if (env->ivec_status & 0x20) { |
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return;
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} |
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/* check if TM or SM in SOFTINT are set
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setting these also causes interrupt 14 */
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if (env->softint & (SOFTINT_TIMER | SOFTINT_STIMER)) {
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pil |= 1 << 14; |
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} |
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/* The bit corresponding to psrpil is (1<< psrpil), the next bit
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is (2 << psrpil). */
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if (pil < (2 << env->psrpil)){ |
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if (env->interrupt_request & CPU_INTERRUPT_HARD) {
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CPUIRQ_DPRINTF("Reset CPU IRQ (current interrupt %x)\n",
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env->interrupt_index); |
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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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return;
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} |
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if (cpu_interrupts_enabled(env)) {
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|
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unsigned int i; |
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for (i = 15; i > env->psrpil; i--) { |
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if (pil & (1 << i)) { |
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int old_interrupt = env->interrupt_index;
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int new_interrupt = TT_EXTINT | i;
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|
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if (unlikely(env->tl > 0 && cpu_tsptr(env)->tt > new_interrupt |
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&& ((cpu_tsptr(env)->tt & 0x1f0) == TT_EXTINT))) {
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CPUIRQ_DPRINTF("Not setting CPU IRQ: TL=%d "
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"current %x >= pending %x\n",
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env->tl, cpu_tsptr(env)->tt, new_interrupt); |
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} else if (old_interrupt != new_interrupt) { |
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env->interrupt_index = new_interrupt; |
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CPUIRQ_DPRINTF("Set CPU IRQ %d old=%x new=%x\n", i,
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old_interrupt, new_interrupt); |
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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 (env->interrupt_request & CPU_INTERRUPT_HARD) { |
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CPUIRQ_DPRINTF("Interrupts disabled, pil=%08x pil_in=%08x softint=%08x "
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"current interrupt %x\n",
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pil, env->pil_in, env->softint, env->interrupt_index); |
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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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} |
313 |
|
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static void cpu_kick_irq(SPARCCPU *cpu) |
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{ |
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CPUSPARCState *env = &cpu->env; |
317 |
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env->halted = 0;
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cpu_check_irqs(env); |
320 |
qemu_cpu_kick(CPU(cpu)); |
321 |
} |
322 |
|
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static void cpu_set_ivec_irq(void *opaque, int irq, int level) |
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{ |
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SPARCCPU *cpu = opaque; |
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CPUSPARCState *env = &cpu->env; |
327 |
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if (level) {
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if (!(env->ivec_status & 0x20)) { |
330 |
CPUIRQ_DPRINTF("Raise IVEC IRQ %d\n", irq);
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env->halted = 0;
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env->interrupt_index = TT_IVEC; |
333 |
env->ivec_status |= 0x20;
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env->ivec_data[0] = (0x1f << 6) | irq; |
335 |
env->ivec_data[1] = 0; |
336 |
env->ivec_data[2] = 0; |
337 |
cpu_interrupt(env, CPU_INTERRUPT_HARD); |
338 |
} |
339 |
} else {
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if (env->ivec_status & 0x20) { |
341 |
CPUIRQ_DPRINTF("Lower IVEC IRQ %d\n", irq);
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env->ivec_status &= ~0x20;
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cpu_reset_interrupt(env, CPU_INTERRUPT_HARD); |
344 |
} |
345 |
} |
346 |
} |
347 |
|
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typedef struct ResetData { |
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SPARCCPU *cpu; |
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uint64_t prom_addr; |
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} ResetData; |
352 |
|
353 |
void cpu_put_timer(QEMUFile *f, CPUTimer *s)
|
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{ |
355 |
qemu_put_be32s(f, &s->frequency); |
356 |
qemu_put_be32s(f, &s->disabled); |
357 |
qemu_put_be64s(f, &s->disabled_mask); |
358 |
qemu_put_sbe64s(f, &s->clock_offset); |
359 |
|
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qemu_put_timer(f, s->qtimer); |
361 |
} |
362 |
|
363 |
void cpu_get_timer(QEMUFile *f, CPUTimer *s)
|
364 |
{ |
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qemu_get_be32s(f, &s->frequency); |
366 |
qemu_get_be32s(f, &s->disabled); |
367 |
qemu_get_be64s(f, &s->disabled_mask); |
368 |
qemu_get_sbe64s(f, &s->clock_offset); |
369 |
|
370 |
qemu_get_timer(f, s->qtimer); |
371 |
} |
372 |
|
373 |
static CPUTimer *cpu_timer_create(const char *name, SPARCCPU *cpu, |
374 |
QEMUBHFunc *cb, uint32_t frequency, |
375 |
uint64_t disabled_mask) |
376 |
{ |
377 |
CPUTimer *timer = g_malloc0(sizeof (CPUTimer));
|
378 |
|
379 |
timer->name = name; |
380 |
timer->frequency = frequency; |
381 |
timer->disabled_mask = disabled_mask; |
382 |
|
383 |
timer->disabled = 1;
|
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timer->clock_offset = qemu_get_clock_ns(vm_clock); |
385 |
|
386 |
timer->qtimer = qemu_new_timer_ns(vm_clock, cb, cpu); |
387 |
|
388 |
return timer;
|
389 |
} |
390 |
|
391 |
static void cpu_timer_reset(CPUTimer *timer) |
392 |
{ |
393 |
timer->disabled = 1;
|
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timer->clock_offset = qemu_get_clock_ns(vm_clock); |
395 |
|
396 |
qemu_del_timer(timer->qtimer); |
397 |
} |
398 |
|
399 |
static void main_cpu_reset(void *opaque) |
400 |
{ |
401 |
ResetData *s = (ResetData *)opaque; |
402 |
CPUSPARCState *env = &s->cpu->env; |
403 |
static unsigned int nr_resets; |
404 |
|
405 |
cpu_reset(CPU(s->cpu)); |
406 |
|
407 |
cpu_timer_reset(env->tick); |
408 |
cpu_timer_reset(env->stick); |
409 |
cpu_timer_reset(env->hstick); |
410 |
|
411 |
env->gregs[1] = 0; // Memory start |
412 |
env->gregs[2] = ram_size; // Memory size |
413 |
env->gregs[3] = 0; // Machine description XXX |
414 |
if (nr_resets++ == 0) { |
415 |
/* Power on reset */
|
416 |
env->pc = s->prom_addr + 0x20ULL;
|
417 |
} else {
|
418 |
env->pc = s->prom_addr + 0x40ULL;
|
419 |
} |
420 |
env->npc = env->pc + 4;
|
421 |
} |
422 |
|
423 |
static void tick_irq(void *opaque) |
424 |
{ |
425 |
SPARCCPU *cpu = opaque; |
426 |
CPUSPARCState *env = &cpu->env; |
427 |
|
428 |
CPUTimer* timer = env->tick; |
429 |
|
430 |
if (timer->disabled) {
|
431 |
CPUIRQ_DPRINTF("tick_irq: softint disabled\n");
|
432 |
return;
|
433 |
} else {
|
434 |
CPUIRQ_DPRINTF("tick: fire\n");
|
435 |
} |
436 |
|
437 |
env->softint |= SOFTINT_TIMER; |
438 |
cpu_kick_irq(cpu); |
439 |
} |
440 |
|
441 |
static void stick_irq(void *opaque) |
442 |
{ |
443 |
SPARCCPU *cpu = opaque; |
444 |
CPUSPARCState *env = &cpu->env; |
445 |
|
446 |
CPUTimer* timer = env->stick; |
447 |
|
448 |
if (timer->disabled) {
|
449 |
CPUIRQ_DPRINTF("stick_irq: softint disabled\n");
|
450 |
return;
|
451 |
} else {
|
452 |
CPUIRQ_DPRINTF("stick: fire\n");
|
453 |
} |
454 |
|
455 |
env->softint |= SOFTINT_STIMER; |
456 |
cpu_kick_irq(cpu); |
457 |
} |
458 |
|
459 |
static void hstick_irq(void *opaque) |
460 |
{ |
461 |
SPARCCPU *cpu = opaque; |
462 |
CPUSPARCState *env = &cpu->env; |
463 |
|
464 |
CPUTimer* timer = env->hstick; |
465 |
|
466 |
if (timer->disabled) {
|
467 |
CPUIRQ_DPRINTF("hstick_irq: softint disabled\n");
|
468 |
return;
|
469 |
} else {
|
470 |
CPUIRQ_DPRINTF("hstick: fire\n");
|
471 |
} |
472 |
|
473 |
env->softint |= SOFTINT_STIMER; |
474 |
cpu_kick_irq(cpu); |
475 |
} |
476 |
|
477 |
static int64_t cpu_to_timer_ticks(int64_t cpu_ticks, uint32_t frequency)
|
478 |
{ |
479 |
return muldiv64(cpu_ticks, get_ticks_per_sec(), frequency);
|
480 |
} |
481 |
|
482 |
static uint64_t timer_to_cpu_ticks(int64_t timer_ticks, uint32_t frequency)
|
483 |
{ |
484 |
return muldiv64(timer_ticks, frequency, get_ticks_per_sec());
|
485 |
} |
486 |
|
487 |
void cpu_tick_set_count(CPUTimer *timer, uint64_t count)
|
488 |
{ |
489 |
uint64_t real_count = count & ~timer->disabled_mask; |
490 |
uint64_t disabled_bit = count & timer->disabled_mask; |
491 |
|
492 |
int64_t vm_clock_offset = qemu_get_clock_ns(vm_clock) - |
493 |
cpu_to_timer_ticks(real_count, timer->frequency); |
494 |
|
495 |
TIMER_DPRINTF("%s set_count count=0x%016lx (%s) p=%p\n",
|
496 |
timer->name, real_count, |
497 |
timer->disabled?"disabled":"enabled", timer); |
498 |
|
499 |
timer->disabled = disabled_bit ? 1 : 0; |
500 |
timer->clock_offset = vm_clock_offset; |
501 |
} |
502 |
|
503 |
uint64_t cpu_tick_get_count(CPUTimer *timer) |
504 |
{ |
505 |
uint64_t real_count = timer_to_cpu_ticks( |
506 |
qemu_get_clock_ns(vm_clock) - timer->clock_offset, |
507 |
timer->frequency); |
508 |
|
509 |
TIMER_DPRINTF("%s get_count count=0x%016lx (%s) p=%p\n",
|
510 |
timer->name, real_count, |
511 |
timer->disabled?"disabled":"enabled", timer); |
512 |
|
513 |
if (timer->disabled)
|
514 |
real_count |= timer->disabled_mask; |
515 |
|
516 |
return real_count;
|
517 |
} |
518 |
|
519 |
void cpu_tick_set_limit(CPUTimer *timer, uint64_t limit)
|
520 |
{ |
521 |
int64_t now = qemu_get_clock_ns(vm_clock); |
522 |
|
523 |
uint64_t real_limit = limit & ~timer->disabled_mask; |
524 |
timer->disabled = (limit & timer->disabled_mask) ? 1 : 0; |
525 |
|
526 |
int64_t expires = cpu_to_timer_ticks(real_limit, timer->frequency) + |
527 |
timer->clock_offset; |
528 |
|
529 |
if (expires < now) {
|
530 |
expires = now + 1;
|
531 |
} |
532 |
|
533 |
TIMER_DPRINTF("%s set_limit limit=0x%016lx (%s) p=%p "
|
534 |
"called with limit=0x%016lx at 0x%016lx (delta=0x%016lx)\n",
|
535 |
timer->name, real_limit, |
536 |
timer->disabled?"disabled":"enabled", |
537 |
timer, limit, |
538 |
timer_to_cpu_ticks(now - timer->clock_offset, |
539 |
timer->frequency), |
540 |
timer_to_cpu_ticks(expires - now, timer->frequency)); |
541 |
|
542 |
if (!real_limit) {
|
543 |
TIMER_DPRINTF("%s set_limit limit=ZERO - not starting timer\n",
|
544 |
timer->name); |
545 |
qemu_del_timer(timer->qtimer); |
546 |
} else if (timer->disabled) { |
547 |
qemu_del_timer(timer->qtimer); |
548 |
} else {
|
549 |
qemu_mod_timer(timer->qtimer, expires); |
550 |
} |
551 |
} |
552 |
|
553 |
static void isa_irq_handler(void *opaque, int n, int level) |
554 |
{ |
555 |
static const int isa_irq_to_ivec[16] = { |
556 |
[1] = 0x29, /* keyboard */ |
557 |
[4] = 0x2b, /* serial */ |
558 |
[6] = 0x27, /* floppy */ |
559 |
[7] = 0x22, /* parallel */ |
560 |
[12] = 0x2a, /* mouse */ |
561 |
}; |
562 |
qemu_irq *irqs = opaque; |
563 |
int ivec;
|
564 |
|
565 |
assert(n < 16);
|
566 |
ivec = isa_irq_to_ivec[n]; |
567 |
EBUS_DPRINTF("Set ISA IRQ %d level %d -> ivec 0x%x\n", n, level, ivec);
|
568 |
if (ivec) {
|
569 |
qemu_set_irq(irqs[ivec], level); |
570 |
} |
571 |
} |
572 |
|
573 |
/* EBUS (Eight bit bus) bridge */
|
574 |
static ISABus *
|
575 |
pci_ebus_init(PCIBus *bus, int devfn, qemu_irq *irqs)
|
576 |
{ |
577 |
qemu_irq *isa_irq; |
578 |
PCIDevice *pci_dev; |
579 |
ISABus *isa_bus; |
580 |
|
581 |
pci_dev = pci_create_simple(bus, devfn, "ebus");
|
582 |
isa_bus = DO_UPCAST(ISABus, qbus, |
583 |
qdev_get_child_bus(&pci_dev->qdev, "isa.0"));
|
584 |
isa_irq = qemu_allocate_irqs(isa_irq_handler, irqs, 16);
|
585 |
isa_bus_irqs(isa_bus, isa_irq); |
586 |
return isa_bus;
|
587 |
} |
588 |
|
589 |
static int |
590 |
pci_ebus_init1(PCIDevice *pci_dev) |
591 |
{ |
592 |
EbusState *s = DO_UPCAST(EbusState, pci_dev, pci_dev); |
593 |
|
594 |
isa_bus_new(&pci_dev->qdev, pci_address_space_io(pci_dev)); |
595 |
|
596 |
pci_dev->config[0x04] = 0x06; // command = bus master, pci mem |
597 |
pci_dev->config[0x05] = 0x00; |
598 |
pci_dev->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error |
599 |
pci_dev->config[0x07] = 0x03; // status = medium devsel |
600 |
pci_dev->config[0x09] = 0x00; // programming i/f |
601 |
pci_dev->config[0x0D] = 0x0a; // latency_timer |
602 |
|
603 |
isa_mmio_setup(&s->bar0, 0x1000000);
|
604 |
pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0);
|
605 |
isa_mmio_setup(&s->bar1, 0x800000);
|
606 |
pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar1);
|
607 |
return 0; |
608 |
} |
609 |
|
610 |
static void ebus_class_init(ObjectClass *klass, void *data) |
611 |
{ |
612 |
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); |
613 |
|
614 |
k->init = pci_ebus_init1; |
615 |
k->vendor_id = PCI_VENDOR_ID_SUN; |
616 |
k->device_id = PCI_DEVICE_ID_SUN_EBUS; |
617 |
k->revision = 0x01;
|
618 |
k->class_id = PCI_CLASS_BRIDGE_OTHER; |
619 |
} |
620 |
|
621 |
static TypeInfo ebus_info = {
|
622 |
.name = "ebus",
|
623 |
.parent = TYPE_PCI_DEVICE, |
624 |
.instance_size = sizeof(EbusState),
|
625 |
.class_init = ebus_class_init, |
626 |
}; |
627 |
|
628 |
typedef struct PROMState { |
629 |
SysBusDevice busdev; |
630 |
MemoryRegion prom; |
631 |
} PROMState; |
632 |
|
633 |
static uint64_t translate_prom_address(void *opaque, uint64_t addr) |
634 |
{ |
635 |
hwaddr *base_addr = (hwaddr *)opaque; |
636 |
return addr + *base_addr - PROM_VADDR;
|
637 |
} |
638 |
|
639 |
/* Boot PROM (OpenBIOS) */
|
640 |
static void prom_init(hwaddr addr, const char *bios_name) |
641 |
{ |
642 |
DeviceState *dev; |
643 |
SysBusDevice *s; |
644 |
char *filename;
|
645 |
int ret;
|
646 |
|
647 |
dev = qdev_create(NULL, "openprom"); |
648 |
qdev_init_nofail(dev); |
649 |
s = sysbus_from_qdev(dev); |
650 |
|
651 |
sysbus_mmio_map(s, 0, addr);
|
652 |
|
653 |
/* load boot prom */
|
654 |
if (bios_name == NULL) { |
655 |
bios_name = PROM_FILENAME; |
656 |
} |
657 |
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); |
658 |
if (filename) {
|
659 |
ret = load_elf(filename, translate_prom_address, &addr, |
660 |
NULL, NULL, NULL, 1, ELF_MACHINE, 0); |
661 |
if (ret < 0 || ret > PROM_SIZE_MAX) { |
662 |
ret = load_image_targphys(filename, addr, PROM_SIZE_MAX); |
663 |
} |
664 |
g_free(filename); |
665 |
} else {
|
666 |
ret = -1;
|
667 |
} |
668 |
if (ret < 0 || ret > PROM_SIZE_MAX) { |
669 |
fprintf(stderr, "qemu: could not load prom '%s'\n", bios_name);
|
670 |
exit(1);
|
671 |
} |
672 |
} |
673 |
|
674 |
static int prom_init1(SysBusDevice *dev) |
675 |
{ |
676 |
PROMState *s = FROM_SYSBUS(PROMState, dev); |
677 |
|
678 |
memory_region_init_ram(&s->prom, "sun4u.prom", PROM_SIZE_MAX);
|
679 |
vmstate_register_ram_global(&s->prom); |
680 |
memory_region_set_readonly(&s->prom, true);
|
681 |
sysbus_init_mmio(dev, &s->prom); |
682 |
return 0; |
683 |
} |
684 |
|
685 |
static Property prom_properties[] = {
|
686 |
{/* end of property list */},
|
687 |
}; |
688 |
|
689 |
static void prom_class_init(ObjectClass *klass, void *data) |
690 |
{ |
691 |
DeviceClass *dc = DEVICE_CLASS(klass); |
692 |
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); |
693 |
|
694 |
k->init = prom_init1; |
695 |
dc->props = prom_properties; |
696 |
} |
697 |
|
698 |
static TypeInfo prom_info = {
|
699 |
.name = "openprom",
|
700 |
.parent = TYPE_SYS_BUS_DEVICE, |
701 |
.instance_size = sizeof(PROMState),
|
702 |
.class_init = prom_class_init, |
703 |
}; |
704 |
|
705 |
|
706 |
typedef struct RamDevice |
707 |
{ |
708 |
SysBusDevice busdev; |
709 |
MemoryRegion ram; |
710 |
uint64_t size; |
711 |
} RamDevice; |
712 |
|
713 |
/* System RAM */
|
714 |
static int ram_init1(SysBusDevice *dev) |
715 |
{ |
716 |
RamDevice *d = FROM_SYSBUS(RamDevice, dev); |
717 |
|
718 |
memory_region_init_ram(&d->ram, "sun4u.ram", d->size);
|
719 |
vmstate_register_ram_global(&d->ram); |
720 |
sysbus_init_mmio(dev, &d->ram); |
721 |
return 0; |
722 |
} |
723 |
|
724 |
static void ram_init(hwaddr addr, ram_addr_t RAM_size) |
725 |
{ |
726 |
DeviceState *dev; |
727 |
SysBusDevice *s; |
728 |
RamDevice *d; |
729 |
|
730 |
/* allocate RAM */
|
731 |
dev = qdev_create(NULL, "memory"); |
732 |
s = sysbus_from_qdev(dev); |
733 |
|
734 |
d = FROM_SYSBUS(RamDevice, s); |
735 |
d->size = RAM_size; |
736 |
qdev_init_nofail(dev); |
737 |
|
738 |
sysbus_mmio_map(s, 0, addr);
|
739 |
} |
740 |
|
741 |
static Property ram_properties[] = {
|
742 |
DEFINE_PROP_UINT64("size", RamDevice, size, 0), |
743 |
DEFINE_PROP_END_OF_LIST(), |
744 |
}; |
745 |
|
746 |
static void ram_class_init(ObjectClass *klass, void *data) |
747 |
{ |
748 |
DeviceClass *dc = DEVICE_CLASS(klass); |
749 |
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); |
750 |
|
751 |
k->init = ram_init1; |
752 |
dc->props = ram_properties; |
753 |
} |
754 |
|
755 |
static TypeInfo ram_info = {
|
756 |
.name = "memory",
|
757 |
.parent = TYPE_SYS_BUS_DEVICE, |
758 |
.instance_size = sizeof(RamDevice),
|
759 |
.class_init = ram_class_init, |
760 |
}; |
761 |
|
762 |
static SPARCCPU *cpu_devinit(const char *cpu_model, const struct hwdef *hwdef) |
763 |
{ |
764 |
SPARCCPU *cpu; |
765 |
CPUSPARCState *env; |
766 |
ResetData *reset_info; |
767 |
|
768 |
uint32_t tick_frequency = 100*1000000; |
769 |
uint32_t stick_frequency = 100*1000000; |
770 |
uint32_t hstick_frequency = 100*1000000; |
771 |
|
772 |
if (cpu_model == NULL) { |
773 |
cpu_model = hwdef->default_cpu_model; |
774 |
} |
775 |
cpu = cpu_sparc_init(cpu_model); |
776 |
if (cpu == NULL) { |
777 |
fprintf(stderr, "Unable to find Sparc CPU definition\n");
|
778 |
exit(1);
|
779 |
} |
780 |
env = &cpu->env; |
781 |
|
782 |
env->tick = cpu_timer_create("tick", cpu, tick_irq,
|
783 |
tick_frequency, TICK_NPT_MASK); |
784 |
|
785 |
env->stick = cpu_timer_create("stick", cpu, stick_irq,
|
786 |
stick_frequency, TICK_INT_DIS); |
787 |
|
788 |
env->hstick = cpu_timer_create("hstick", cpu, hstick_irq,
|
789 |
hstick_frequency, TICK_INT_DIS); |
790 |
|
791 |
reset_info = g_malloc0(sizeof(ResetData));
|
792 |
reset_info->cpu = cpu; |
793 |
reset_info->prom_addr = hwdef->prom_addr; |
794 |
qemu_register_reset(main_cpu_reset, reset_info); |
795 |
|
796 |
return cpu;
|
797 |
} |
798 |
|
799 |
static void sun4uv_init(MemoryRegion *address_space_mem, |
800 |
ram_addr_t RAM_size, |
801 |
const char *boot_devices, |
802 |
const char *kernel_filename, const char *kernel_cmdline, |
803 |
const char *initrd_filename, const char *cpu_model, |
804 |
const struct hwdef *hwdef) |
805 |
{ |
806 |
SPARCCPU *cpu; |
807 |
M48t59State *nvram; |
808 |
unsigned int i; |
809 |
uint64_t initrd_addr, initrd_size, kernel_addr, kernel_size, kernel_entry; |
810 |
PCIBus *pci_bus, *pci_bus2, *pci_bus3; |
811 |
ISABus *isa_bus; |
812 |
qemu_irq *ivec_irqs, *pbm_irqs; |
813 |
DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; |
814 |
DriveInfo *fd[MAX_FD]; |
815 |
void *fw_cfg;
|
816 |
|
817 |
/* init CPUs */
|
818 |
cpu = cpu_devinit(cpu_model, hwdef); |
819 |
|
820 |
/* set up devices */
|
821 |
ram_init(0, RAM_size);
|
822 |
|
823 |
prom_init(hwdef->prom_addr, bios_name); |
824 |
|
825 |
ivec_irqs = qemu_allocate_irqs(cpu_set_ivec_irq, cpu, IVEC_MAX); |
826 |
pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, ivec_irqs, &pci_bus2, |
827 |
&pci_bus3, &pbm_irqs); |
828 |
pci_vga_init(pci_bus); |
829 |
|
830 |
// XXX Should be pci_bus3
|
831 |
isa_bus = pci_ebus_init(pci_bus, -1, pbm_irqs);
|
832 |
|
833 |
i = 0;
|
834 |
if (hwdef->console_serial_base) {
|
835 |
serial_mm_init(address_space_mem, hwdef->console_serial_base, 0,
|
836 |
NULL, 115200, serial_hds[i], DEVICE_BIG_ENDIAN); |
837 |
i++; |
838 |
} |
839 |
for(; i < MAX_SERIAL_PORTS; i++) {
|
840 |
if (serial_hds[i]) {
|
841 |
serial_isa_init(isa_bus, i, serial_hds[i]); |
842 |
} |
843 |
} |
844 |
|
845 |
for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
846 |
if (parallel_hds[i]) {
|
847 |
parallel_init(isa_bus, i, parallel_hds[i]); |
848 |
} |
849 |
} |
850 |
|
851 |
for(i = 0; i < nb_nics; i++) |
852 |
pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL); |
853 |
|
854 |
ide_drive_get(hd, MAX_IDE_BUS); |
855 |
|
856 |
pci_cmd646_ide_init(pci_bus, hd, 1);
|
857 |
|
858 |
isa_create_simple(isa_bus, "i8042");
|
859 |
for(i = 0; i < MAX_FD; i++) { |
860 |
fd[i] = drive_get(IF_FLOPPY, 0, i);
|
861 |
} |
862 |
fdctrl_init_isa(isa_bus, fd); |
863 |
nvram = m48t59_init_isa(isa_bus, 0x0074, NVRAM_SIZE, 59); |
864 |
|
865 |
initrd_size = 0;
|
866 |
initrd_addr = 0;
|
867 |
kernel_size = sun4u_load_kernel(kernel_filename, initrd_filename, |
868 |
ram_size, &initrd_size, &initrd_addr, |
869 |
&kernel_addr, &kernel_entry); |
870 |
|
871 |
sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", RAM_size, boot_devices,
|
872 |
kernel_addr, kernel_size, |
873 |
kernel_cmdline, |
874 |
initrd_addr, initrd_size, |
875 |
/* XXX: need an option to load a NVRAM image */
|
876 |
0,
|
877 |
graphic_width, graphic_height, graphic_depth, |
878 |
(uint8_t *)&nd_table[0].macaddr);
|
879 |
|
880 |
fw_cfg = fw_cfg_init(BIOS_CFG_IOPORT, BIOS_CFG_IOPORT + 1, 0, 0); |
881 |
fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
|
882 |
fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size); |
883 |
fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id); |
884 |
fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_entry); |
885 |
fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size); |
886 |
if (kernel_cmdline) {
|
887 |
fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, |
888 |
strlen(kernel_cmdline) + 1);
|
889 |
fw_cfg_add_bytes(fw_cfg, FW_CFG_CMDLINE_DATA, |
890 |
(uint8_t*)strdup(kernel_cmdline), |
891 |
strlen(kernel_cmdline) + 1);
|
892 |
} else {
|
893 |
fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
|
894 |
} |
895 |
fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr); |
896 |
fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size); |
897 |
fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, boot_devices[0]);
|
898 |
|
899 |
fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width); |
900 |
fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height); |
901 |
fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth); |
902 |
|
903 |
qemu_register_boot_set(fw_cfg_boot_set, fw_cfg); |
904 |
} |
905 |
|
906 |
enum {
|
907 |
sun4u_id = 0,
|
908 |
sun4v_id = 64,
|
909 |
niagara_id, |
910 |
}; |
911 |
|
912 |
static const struct hwdef hwdefs[] = { |
913 |
/* Sun4u generic PC-like machine */
|
914 |
{ |
915 |
.default_cpu_model = "TI UltraSparc IIi",
|
916 |
.machine_id = sun4u_id, |
917 |
.prom_addr = 0x1fff0000000ULL,
|
918 |
.console_serial_base = 0,
|
919 |
}, |
920 |
/* Sun4v generic PC-like machine */
|
921 |
{ |
922 |
.default_cpu_model = "Sun UltraSparc T1",
|
923 |
.machine_id = sun4v_id, |
924 |
.prom_addr = 0x1fff0000000ULL,
|
925 |
.console_serial_base = 0,
|
926 |
}, |
927 |
/* Sun4v generic Niagara machine */
|
928 |
{ |
929 |
.default_cpu_model = "Sun UltraSparc T1",
|
930 |
.machine_id = niagara_id, |
931 |
.prom_addr = 0xfff0000000ULL,
|
932 |
.console_serial_base = 0xfff0c2c000ULL,
|
933 |
}, |
934 |
}; |
935 |
|
936 |
/* Sun4u hardware initialisation */
|
937 |
static void sun4u_init(QEMUMachineInitArgs *args) |
938 |
{ |
939 |
ram_addr_t RAM_size = args->ram_size; |
940 |
const char *cpu_model = args->cpu_model; |
941 |
const char *kernel_filename = args->kernel_filename; |
942 |
const char *kernel_cmdline = args->kernel_cmdline; |
943 |
const char *initrd_filename = args->initrd_filename; |
944 |
const char *boot_devices = args->boot_device; |
945 |
sun4uv_init(get_system_memory(), RAM_size, boot_devices, kernel_filename, |
946 |
kernel_cmdline, initrd_filename, cpu_model, &hwdefs[0]);
|
947 |
} |
948 |
|
949 |
/* Sun4v hardware initialisation */
|
950 |
static void sun4v_init(QEMUMachineInitArgs *args) |
951 |
{ |
952 |
ram_addr_t RAM_size = args->ram_size; |
953 |
const char *cpu_model = args->cpu_model; |
954 |
const char *kernel_filename = args->kernel_filename; |
955 |
const char *kernel_cmdline = args->kernel_cmdline; |
956 |
const char *initrd_filename = args->initrd_filename; |
957 |
const char *boot_devices = args->boot_device; |
958 |
sun4uv_init(get_system_memory(), RAM_size, boot_devices, kernel_filename, |
959 |
kernel_cmdline, initrd_filename, cpu_model, &hwdefs[1]);
|
960 |
} |
961 |
|
962 |
/* Niagara hardware initialisation */
|
963 |
static void niagara_init(QEMUMachineInitArgs *args) |
964 |
{ |
965 |
ram_addr_t RAM_size = args->ram_size; |
966 |
const char *cpu_model = args->cpu_model; |
967 |
const char *kernel_filename = args->kernel_filename; |
968 |
const char *kernel_cmdline = args->kernel_cmdline; |
969 |
const char *initrd_filename = args->initrd_filename; |
970 |
const char *boot_devices = args->boot_device; |
971 |
sun4uv_init(get_system_memory(), RAM_size, boot_devices, kernel_filename, |
972 |
kernel_cmdline, initrd_filename, cpu_model, &hwdefs[2]);
|
973 |
} |
974 |
|
975 |
static QEMUMachine sun4u_machine = {
|
976 |
.name = "sun4u",
|
977 |
.desc = "Sun4u platform",
|
978 |
.init = sun4u_init, |
979 |
.max_cpus = 1, // XXX for now |
980 |
.is_default = 1,
|
981 |
}; |
982 |
|
983 |
static QEMUMachine sun4v_machine = {
|
984 |
.name = "sun4v",
|
985 |
.desc = "Sun4v platform",
|
986 |
.init = sun4v_init, |
987 |
.max_cpus = 1, // XXX for now |
988 |
}; |
989 |
|
990 |
static QEMUMachine niagara_machine = {
|
991 |
.name = "Niagara",
|
992 |
.desc = "Sun4v platform, Niagara",
|
993 |
.init = niagara_init, |
994 |
.max_cpus = 1, // XXX for now |
995 |
}; |
996 |
|
997 |
static void sun4u_register_types(void) |
998 |
{ |
999 |
type_register_static(&ebus_info); |
1000 |
type_register_static(&prom_info); |
1001 |
type_register_static(&ram_info); |
1002 |
} |
1003 |
|
1004 |
static void sun4u_machine_init(void) |
1005 |
{ |
1006 |
qemu_register_machine(&sun4u_machine); |
1007 |
qemu_register_machine(&sun4v_machine); |
1008 |
qemu_register_machine(&niagara_machine); |
1009 |
} |
1010 |
|
1011 |
type_init(sun4u_register_types) |
1012 |
machine_init(sun4u_machine_init); |