--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/etraxfs.c Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,160 @@
+/*
+ * QEMU ETRAX System Emulator
+ *
+ * Copyright (c) 2007 Edgar E. Iglesias, Axis Communications AB.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include <time.h>
+#include <sys/time.h>
+#include "hw.h"
+#include "net.h"
+#include "flash.h"
+#include "sysemu.h"
+#include "devices.h"
+#include "boards.h"
+
+#include "etraxfs.h"
+
+#define FLASH_SIZE 0x2000000
+#define INTMEM_SIZE (128 * 1024)
+
+static uint32_t bootstrap_pc;
+
+static void main_cpu_reset(void *opaque)
+{
+ CPUState *env = opaque;
+ cpu_reset(env);
+
+ env->pregs[PR_CCS] &= ~I_FLAG;
+ env->pc = bootstrap_pc;
+}
+
+static
+void bareetraxfs_init (ram_addr_t ram_size, int vga_ram_size,
+ const char *boot_device, DisplayState *ds,
+ const char *kernel_filename, const char *kernel_cmdline,
+ const char *initrd_filename, const char *cpu_model)
+{
+ CPUState *env;
+ struct etraxfs_pic *pic;
+ void *etraxfs_dmac;
+ struct etraxfs_dma_client *eth[2] = {NULL, NULL};
+ int kernel_size;
+ int i;
+ ram_addr_t phys_ram;
+ ram_addr_t phys_flash;
+ ram_addr_t phys_intmem;
+
+ /* init CPUs */
+ if (cpu_model == NULL) {
+ cpu_model = "crisv32";
+ }
+ env = cpu_init(cpu_model);
+ qemu_register_reset(main_cpu_reset, env);
+
+ /* allocate RAM */
+ phys_ram = qemu_ram_alloc(ram_size);
+ cpu_register_physical_memory(0x40000000, ram_size, phys_ram | IO_MEM_RAM);
+
+ /* The ETRAX-FS has 128Kb on chip ram, the docs refer to it as the
+ internal memory. */
+ phys_intmem = qemu_ram_alloc(INTMEM_SIZE);
+ cpu_register_physical_memory(0x38000000, INTMEM_SIZE,
+ phys_intmem | IO_MEM_RAM);
+
+
+ phys_flash = qemu_ram_alloc(FLASH_SIZE);
+ i = drive_get_index(IF_PFLASH, 0, 0);
+ pflash_cfi02_register(0x0, phys_flash,
+ i != -1 ? drives_table[i].bdrv : NULL, (64 * 1024),
+ FLASH_SIZE >> 16,
+ 1, 2, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x555, 0x2aa);
+ pic = etraxfs_pic_init(env, 0x3001c000);
+ etraxfs_dmac = etraxfs_dmac_init(env, 0x30000000, 10);
+ for (i = 0; i < 10; i++) {
+ /* On ETRAX, odd numbered channels are inputs. */
+ etraxfs_dmac_connect(etraxfs_dmac, i, pic->irq + 7 + i, i & 1);
+ }
+
+ /* Add the two ethernet blocks. */
+ eth[0] = etraxfs_eth_init(&nd_table[0], env, pic->irq + 25, 0x30034000);
+ if (nb_nics > 1)
+ eth[1] = etraxfs_eth_init(&nd_table[1], env, pic->irq + 26, 0x30036000);
+
+ /* The DMA Connector block is missing, hardwire things for now. */
+ etraxfs_dmac_connect_client(etraxfs_dmac, 0, eth[0]);
+ etraxfs_dmac_connect_client(etraxfs_dmac, 1, eth[0] + 1);
+ if (eth[1]) {
+ etraxfs_dmac_connect_client(etraxfs_dmac, 6, eth[1]);
+ etraxfs_dmac_connect_client(etraxfs_dmac, 7, eth[1] + 1);
+ }
+
+ /* 2 timers. */
+ etraxfs_timer_init(env, pic->irq + 0x1b, pic->nmi + 1, 0x3001e000);
+ etraxfs_timer_init(env, pic->irq + 0x1b, pic->nmi + 1, 0x3005e000);
+
+ for (i = 0; i < 4; i++) {
+ if (serial_hds[i]) {
+ etraxfs_ser_init(env, pic->irq + 0x14 + i,
+ serial_hds[i], 0x30026000 + i * 0x2000);
+ }
+ }
+
+ if (kernel_filename) {
+ uint64_t entry, high;
+ int kcmdline_len;
+
+ /* Boots a kernel elf binary, os/linux-2.6/vmlinux from the axis
+ devboard SDK. */
+ kernel_size = load_elf(kernel_filename, -0x80000000LL,
+ &entry, NULL, &high);
+ bootstrap_pc = entry;
+ if (kernel_size < 0) {
+ /* Takes a kimage from the axis devboard SDK. */
+ kernel_size = load_image(kernel_filename, phys_ram_base + 0x4000);
+ bootstrap_pc = 0x40004000;
+ env->regs[9] = 0x40004000 + kernel_size;
+ }
+ env->regs[8] = 0x56902387; /* RAM init magic. */
+
+ if (kernel_cmdline && (kcmdline_len = strlen(kernel_cmdline))) {
+ if (kcmdline_len > 256) {
+ fprintf(stderr, "Too long CRIS kernel cmdline (max 256)\n");
+ exit(1);
+ }
+ pstrcpy_targphys(high, 256, kernel_cmdline);
+ /* Let the kernel know we are modifying the cmdline. */
+ env->regs[10] = 0x87109563;
+ env->regs[11] = high;
+ }
+ }
+ env->pc = bootstrap_pc;
+
+ printf ("pc =%x\n", env->pc);
+ printf ("ram size =%ld\n", ram_size);
+}
+
+QEMUMachine bareetraxfs_machine = {
+ .name = "bareetraxfs",
+ .desc = "Bare ETRAX FS board",
+ .init = bareetraxfs_init,
+ .ram_require = 0x8000000,
+};