2 * Copyright (c) 2011, Max Filippov, Open Source and Linux Lab.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the Open Source and Linux Lab nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #include "exec-memory.h"
35 static void xtensa_sample_reset(void *env
)
40 static void xtensa_init(ram_addr_t ram_size
,
41 const char *boot_device
,
42 const char *kernel_filename
, const char *kernel_cmdline
,
43 const char *initrd_filename
, const char *cpu_model
)
47 const size_t dram_size
= 0x10000;
48 const size_t iram_size
= 0x20000;
51 for (n
= 0; n
< smp_cpus
; n
++) {
52 env
= cpu_init(cpu_model
);
54 fprintf(stderr
, "Unable to find CPU definition\n");
57 qemu_register_reset(xtensa_sample_reset
, env
);
61 ram
= g_malloc(sizeof(*ram
));
62 memory_region_init_ram(ram
, NULL
, "xtensa.ram",
63 dram_size
+ iram_size
+ ram_size
);
64 memory_region_add_subregion(get_system_memory(),
65 0x60000000 - dram_size
- iram_size
, ram
);
67 if (kernel_filename
) {
70 #ifdef TARGET_WORDS_BIGENDIAN
71 int success
= load_elf(kernel_filename
, NULL
, NULL
, &elf_entry
,
72 &elf_lowaddr
, NULL
, 1, ELF_MACHINE
, 0);
74 int success
= load_elf(kernel_filename
, NULL
, NULL
, &elf_entry
,
75 &elf_lowaddr
, NULL
, 0, ELF_MACHINE
, 0);
83 static void xtensa_sample_init(ram_addr_t ram_size
,
84 const char *boot_device
,
85 const char *kernel_filename
, const char *kernel_cmdline
,
86 const char *initrd_filename
, const char *cpu_model
)
89 cpu_model
= "sample-xtensa-core";
91 xtensa_init(ram_size
, boot_device
, kernel_filename
, kernel_cmdline
,
92 initrd_filename
, cpu_model
);
95 static QEMUMachine xtensa_sample_machine
= {
96 .name
= "sample-xtensa-machine",
97 .desc
= "Sample Xtensa machine (sample Xtensa core)",
98 .init
= xtensa_sample_init
,
102 static void xtensa_sample_machine_init(void)
104 qemu_register_machine(&xtensa_sample_machine
);
107 machine_init(xtensa_sample_machine_init
);