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-rw-r--r--qemu/hw/microblaze/boot.c215
1 files changed, 0 insertions, 215 deletions
diff --git a/qemu/hw/microblaze/boot.c b/qemu/hw/microblaze/boot.c
deleted file mode 100644
index 9eebb1a52..000000000
--- a/qemu/hw/microblaze/boot.c
+++ /dev/null
@@ -1,215 +0,0 @@
-/*
- * Microblaze kernel loader
- *
- * Copyright (c) 2012 Peter Crosthwaite <peter.crosthwaite@petalogix.com>
- * Copyright (c) 2012 PetaLogix
- * Copyright (c) 2009 Edgar E. Iglesias.
- *
- * 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 "qemu/osdep.h"
-#include "qemu-common.h"
-#include "cpu.h"
-#include "qemu/option.h"
-#include "qemu/config-file.h"
-#include "qemu/error-report.h"
-#include "qemu-common.h"
-#include "sysemu/device_tree.h"
-#include "sysemu/sysemu.h"
-#include "hw/loader.h"
-#include "elf.h"
-#include "qemu/cutils.h"
-
-#include "boot.h"
-
-static struct
-{
- void (*machine_cpu_reset)(MicroBlazeCPU *);
- uint32_t bootstrap_pc;
- uint32_t cmdline;
- uint32_t initrd_start;
- uint32_t initrd_end;
- uint32_t fdt;
-} boot_info;
-
-static void main_cpu_reset(void *opaque)
-{
- MicroBlazeCPU *cpu = opaque;
- CPUState *cs = CPU(cpu);
- CPUMBState *env = &cpu->env;
-
- cpu_reset(cs);
- env->regs[5] = boot_info.cmdline;
- env->regs[6] = boot_info.initrd_start;
- env->regs[7] = boot_info.fdt;
- cpu_set_pc(cs, boot_info.bootstrap_pc);
- if (boot_info.machine_cpu_reset) {
- boot_info.machine_cpu_reset(cpu);
- }
-}
-
-static int microblaze_load_dtb(hwaddr addr,
- uint32_t ramsize,
- uint32_t initrd_start,
- uint32_t initrd_end,
- const char *kernel_cmdline,
- const char *dtb_filename)
-{
- int fdt_size;
- void *fdt = NULL;
- int r;
-
- if (dtb_filename) {
- fdt = load_device_tree(dtb_filename, &fdt_size);
- }
- if (!fdt) {
- return 0;
- }
-
- if (kernel_cmdline) {
- r = qemu_fdt_setprop_string(fdt, "/chosen", "bootargs",
- kernel_cmdline);
- if (r < 0) {
- fprintf(stderr, "couldn't set /chosen/bootargs\n");
- }
- }
-
- if (initrd_start) {
- qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-start",
- initrd_start);
-
- qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-end",
- initrd_end);
- }
-
- cpu_physical_memory_write(addr, fdt, fdt_size);
- return fdt_size;
-}
-
-static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
-{
- return addr - 0x30000000LL;
-}
-
-void microblaze_load_kernel(MicroBlazeCPU *cpu, hwaddr ddr_base,
- uint32_t ramsize,
- const char *initrd_filename,
- const char *dtb_filename,
- void (*machine_cpu_reset)(MicroBlazeCPU *))
-{
- QemuOpts *machine_opts;
- const char *kernel_filename;
- const char *kernel_cmdline;
- const char *dtb_arg;
- char *filename = NULL;
-
- machine_opts = qemu_get_machine_opts();
- kernel_filename = qemu_opt_get(machine_opts, "kernel");
- kernel_cmdline = qemu_opt_get(machine_opts, "append");
- dtb_arg = qemu_opt_get(machine_opts, "dtb");
- /* default to pcbios dtb as passed by machine_init */
- if (!dtb_arg) {
- filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, dtb_filename);
- }
-
- boot_info.machine_cpu_reset = machine_cpu_reset;
- qemu_register_reset(main_cpu_reset, cpu);
-
- if (kernel_filename) {
- int kernel_size;
- uint64_t entry, low, high;
- uint32_t base32;
- int big_endian = 0;
-
-#ifdef TARGET_WORDS_BIGENDIAN
- big_endian = 1;
-#endif
-
- /* Boots a kernel elf binary. */
- kernel_size = load_elf(kernel_filename, NULL, NULL,
- &entry, &low, &high,
- big_endian, EM_MICROBLAZE, 0, 0);
- base32 = entry;
- if (base32 == 0xc0000000) {
- kernel_size = load_elf(kernel_filename, translate_kernel_address,
- NULL, &entry, NULL, NULL,
- big_endian, EM_MICROBLAZE, 0, 0);
- }
- /* Always boot into physical ram. */
- boot_info.bootstrap_pc = (uint32_t)entry;
-
- /* If it wasn't an ELF image, try an u-boot image. */
- if (kernel_size < 0) {
- hwaddr uentry, loadaddr;
-
- kernel_size = load_uimage(kernel_filename, &uentry, &loadaddr, 0,
- NULL, NULL);
- boot_info.bootstrap_pc = uentry;
- high = (loadaddr + kernel_size + 3) & ~3;
- }
-
- /* Not an ELF image nor an u-boot image, try a RAW image. */
- if (kernel_size < 0) {
- kernel_size = load_image_targphys(kernel_filename, ddr_base,
- ram_size);
- boot_info.bootstrap_pc = ddr_base;
- high = (ddr_base + kernel_size + 3) & ~3;
- }
-
- if (initrd_filename) {
- int initrd_size;
- uint32_t initrd_offset;
-
- high = ROUND_UP(high + kernel_size, 4);
- boot_info.initrd_start = high;
- initrd_offset = boot_info.initrd_start - ddr_base;
-
- initrd_size = load_ramdisk(initrd_filename,
- boot_info.initrd_start,
- ram_size - initrd_offset);
- if (initrd_size < 0) {
- initrd_size = load_image_targphys(initrd_filename,
- boot_info.initrd_start,
- ram_size - initrd_offset);
- }
- if (initrd_size < 0) {
- error_report("qemu: could not load initrd '%s'",
- initrd_filename);
- exit(EXIT_FAILURE);
- }
- boot_info.initrd_end = boot_info.initrd_start + initrd_size;
- high = ROUND_UP(high + initrd_size, 4);
- }
-
- boot_info.cmdline = high + 4096;
- if (kernel_cmdline && strlen(kernel_cmdline)) {
- pstrcpy_targphys("cmdline", boot_info.cmdline, 256, kernel_cmdline);
- }
- /* Provide a device-tree. */
- boot_info.fdt = boot_info.cmdline + 4096;
- microblaze_load_dtb(boot_info.fdt, ram_size,
- boot_info.initrd_start,
- boot_info.initrd_end,
- kernel_cmdline,
- /* Preference a -dtb argument */
- dtb_arg ? dtb_arg : filename);
- }
- g_free(filename);
-}