diff options
author | 2017-04-25 03:31:15 -0700 | |
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committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/hw/m68k/mcf5208.c | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/hw/m68k/mcf5208.c')
-rw-r--r-- | qemu/hw/m68k/mcf5208.c | 308 |
1 files changed, 0 insertions, 308 deletions
diff --git a/qemu/hw/m68k/mcf5208.c b/qemu/hw/m68k/mcf5208.c deleted file mode 100644 index 24155574f..000000000 --- a/qemu/hw/m68k/mcf5208.c +++ /dev/null @@ -1,308 +0,0 @@ -/* - * Motorola ColdFire MCF5208 SoC emulation. - * - * Copyright (c) 2007 CodeSourcery. - * - * This code is licensed under the GPL - */ -#include "qemu/osdep.h" -#include "qapi/error.h" -#include "qemu-common.h" -#include "cpu.h" -#include "hw/hw.h" -#include "hw/m68k/mcf.h" -#include "qemu/timer.h" -#include "hw/ptimer.h" -#include "sysemu/sysemu.h" -#include "sysemu/qtest.h" -#include "net/net.h" -#include "hw/boards.h" -#include "hw/loader.h" -#include "elf.h" -#include "exec/address-spaces.h" - -#define SYS_FREQ 66000000 - -#define PCSR_EN 0x0001 -#define PCSR_RLD 0x0002 -#define PCSR_PIF 0x0004 -#define PCSR_PIE 0x0008 -#define PCSR_OVW 0x0010 -#define PCSR_DBG 0x0020 -#define PCSR_DOZE 0x0040 -#define PCSR_PRE_SHIFT 8 -#define PCSR_PRE_MASK 0x0f00 - -typedef struct { - MemoryRegion iomem; - qemu_irq irq; - ptimer_state *timer; - uint16_t pcsr; - uint16_t pmr; - uint16_t pcntr; -} m5208_timer_state; - -static void m5208_timer_update(m5208_timer_state *s) -{ - if ((s->pcsr & (PCSR_PIE | PCSR_PIF)) == (PCSR_PIE | PCSR_PIF)) - qemu_irq_raise(s->irq); - else - qemu_irq_lower(s->irq); -} - -static void m5208_timer_write(void *opaque, hwaddr offset, - uint64_t value, unsigned size) -{ - m5208_timer_state *s = (m5208_timer_state *)opaque; - int prescale; - int limit; - switch (offset) { - case 0: - /* The PIF bit is set-to-clear. */ - if (value & PCSR_PIF) { - s->pcsr &= ~PCSR_PIF; - value &= ~PCSR_PIF; - } - /* Avoid frobbing the timer if we're just twiddling IRQ bits. */ - if (((s->pcsr ^ value) & ~PCSR_PIE) == 0) { - s->pcsr = value; - m5208_timer_update(s); - return; - } - - if (s->pcsr & PCSR_EN) - ptimer_stop(s->timer); - - s->pcsr = value; - - prescale = 1 << ((s->pcsr & PCSR_PRE_MASK) >> PCSR_PRE_SHIFT); - ptimer_set_freq(s->timer, (SYS_FREQ / 2) / prescale); - if (s->pcsr & PCSR_RLD) - limit = s->pmr; - else - limit = 0xffff; - ptimer_set_limit(s->timer, limit, 0); - - if (s->pcsr & PCSR_EN) - ptimer_run(s->timer, 0); - break; - case 2: - s->pmr = value; - s->pcsr &= ~PCSR_PIF; - if ((s->pcsr & PCSR_RLD) == 0) { - if (s->pcsr & PCSR_OVW) - ptimer_set_count(s->timer, value); - } else { - ptimer_set_limit(s->timer, value, s->pcsr & PCSR_OVW); - } - break; - case 4: - break; - default: - hw_error("m5208_timer_write: Bad offset 0x%x\n", (int)offset); - break; - } - m5208_timer_update(s); -} - -static void m5208_timer_trigger(void *opaque) -{ - m5208_timer_state *s = (m5208_timer_state *)opaque; - s->pcsr |= PCSR_PIF; - m5208_timer_update(s); -} - -static uint64_t m5208_timer_read(void *opaque, hwaddr addr, - unsigned size) -{ - m5208_timer_state *s = (m5208_timer_state *)opaque; - switch (addr) { - case 0: - return s->pcsr; - case 2: - return s->pmr; - case 4: - return ptimer_get_count(s->timer); - default: - hw_error("m5208_timer_read: Bad offset 0x%x\n", (int)addr); - return 0; - } -} - -static const MemoryRegionOps m5208_timer_ops = { - .read = m5208_timer_read, - .write = m5208_timer_write, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -static uint64_t m5208_sys_read(void *opaque, hwaddr addr, - unsigned size) -{ - switch (addr) { - case 0x110: /* SDCS0 */ - { - int n; - for (n = 0; n < 32; n++) { - if (ram_size < (2u << n)) - break; - } - return (n - 1) | 0x40000000; - } - case 0x114: /* SDCS1 */ - return 0; - - default: - hw_error("m5208_sys_read: Bad offset 0x%x\n", (int)addr); - return 0; - } -} - -static void m5208_sys_write(void *opaque, hwaddr addr, - uint64_t value, unsigned size) -{ - hw_error("m5208_sys_write: Bad offset 0x%x\n", (int)addr); -} - -static const MemoryRegionOps m5208_sys_ops = { - .read = m5208_sys_read, - .write = m5208_sys_write, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -static void mcf5208_sys_init(MemoryRegion *address_space, qemu_irq *pic) -{ - MemoryRegion *iomem = g_new(MemoryRegion, 1); - m5208_timer_state *s; - QEMUBH *bh; - int i; - - /* SDRAMC. */ - memory_region_init_io(iomem, NULL, &m5208_sys_ops, NULL, "m5208-sys", 0x00004000); - memory_region_add_subregion(address_space, 0xfc0a8000, iomem); - /* Timers. */ - for (i = 0; i < 2; i++) { - s = (m5208_timer_state *)g_malloc0(sizeof(m5208_timer_state)); - bh = qemu_bh_new(m5208_timer_trigger, s); - s->timer = ptimer_init(bh); - memory_region_init_io(&s->iomem, NULL, &m5208_timer_ops, s, - "m5208-timer", 0x00004000); - memory_region_add_subregion(address_space, 0xfc080000 + 0x4000 * i, - &s->iomem); - s->irq = pic[4 + i]; - } -} - -static void mcf5208evb_init(MachineState *machine) -{ - ram_addr_t ram_size = machine->ram_size; - const char *cpu_model = machine->cpu_model; - const char *kernel_filename = machine->kernel_filename; - M68kCPU *cpu; - CPUM68KState *env; - int kernel_size; - uint64_t elf_entry; - hwaddr entry; - qemu_irq *pic; - MemoryRegion *address_space_mem = get_system_memory(); - MemoryRegion *ram = g_new(MemoryRegion, 1); - MemoryRegion *sram = g_new(MemoryRegion, 1); - - if (!cpu_model) { - cpu_model = "m5208"; - } - cpu = cpu_m68k_init(cpu_model); - if (!cpu) { - fprintf(stderr, "Unable to find m68k CPU definition\n"); - exit(1); - } - env = &cpu->env; - - /* Initialize CPU registers. */ - env->vbr = 0; - /* TODO: Configure BARs. */ - - /* DRAM at 0x40000000 */ - memory_region_allocate_system_memory(ram, NULL, "mcf5208.ram", ram_size); - memory_region_add_subregion(address_space_mem, 0x40000000, ram); - - /* Internal SRAM. */ - memory_region_init_ram(sram, NULL, "mcf5208.sram", 16384, &error_fatal); - vmstate_register_ram_global(sram); - memory_region_add_subregion(address_space_mem, 0x80000000, sram); - - /* Internal peripherals. */ - pic = mcf_intc_init(address_space_mem, 0xfc048000, cpu); - - mcf_uart_mm_init(address_space_mem, 0xfc060000, pic[26], serial_hds[0]); - mcf_uart_mm_init(address_space_mem, 0xfc064000, pic[27], serial_hds[1]); - mcf_uart_mm_init(address_space_mem, 0xfc068000, pic[28], serial_hds[2]); - - mcf5208_sys_init(address_space_mem, pic); - - if (nb_nics > 1) { - fprintf(stderr, "Too many NICs\n"); - exit(1); - } - if (nd_table[0].used) - mcf_fec_init(address_space_mem, &nd_table[0], - 0xfc030000, pic + 36); - - /* 0xfc000000 SCM. */ - /* 0xfc004000 XBS. */ - /* 0xfc008000 FlexBus CS. */ - /* 0xfc030000 FEC. */ - /* 0xfc040000 SCM + Power management. */ - /* 0xfc044000 eDMA. */ - /* 0xfc048000 INTC. */ - /* 0xfc058000 I2C. */ - /* 0xfc05c000 QSPI. */ - /* 0xfc060000 UART0. */ - /* 0xfc064000 UART0. */ - /* 0xfc068000 UART0. */ - /* 0xfc070000 DMA timers. */ - /* 0xfc080000 PIT0. */ - /* 0xfc084000 PIT1. */ - /* 0xfc088000 EPORT. */ - /* 0xfc08c000 Watchdog. */ - /* 0xfc090000 clock module. */ - /* 0xfc0a0000 CCM + reset. */ - /* 0xfc0a4000 GPIO. */ - /* 0xfc0a8000 SDRAM controller. */ - - /* Load kernel. */ - if (!kernel_filename) { - if (qtest_enabled()) { - return; - } - fprintf(stderr, "Kernel image must be specified\n"); - exit(1); - } - - kernel_size = load_elf(kernel_filename, NULL, NULL, &elf_entry, - NULL, NULL, 1, EM_68K, 0, 0); - entry = elf_entry; - if (kernel_size < 0) { - kernel_size = load_uimage(kernel_filename, &entry, NULL, NULL, - NULL, NULL); - } - if (kernel_size < 0) { - kernel_size = load_image_targphys(kernel_filename, 0x40000000, - ram_size); - entry = 0x40000000; - } - if (kernel_size < 0) { - fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename); - exit(1); - } - - env->pc = entry; -} - -static void mcf5208evb_machine_init(MachineClass *mc) -{ - mc->desc = "MCF5206EVB"; - mc->init = mcf5208evb_init; - mc->is_default = 1; -} - -DEFINE_MACHINE("mcf5208evb", mcf5208evb_machine_init) |