2 * TriCore Baseboard System emulation.
4 * Copyright (c) 2013-2014 Bastian Koppelmann C-Lab/University Paderborn
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
21 #include "qemu/osdep.h"
22 #include "qemu/units.h"
23 #include "qapi/error.h"
26 #include "hw/boards.h"
27 #include "hw/loader.h"
28 #include "exec/address-spaces.h"
30 #include "hw/tricore/tricore.h"
31 #include "qemu/error-report.h"
36 static struct tricore_boot_info tricoretb_binfo
;
38 static void tricore_load_kernel(CPUTriCoreState
*env
)
43 kernel_size
= load_elf(tricoretb_binfo
.kernel_filename
, NULL
,
44 NULL
, NULL
, &entry
, NULL
,
47 if (kernel_size
<= 0) {
48 error_report("no kernel file '%s'",
49 tricoretb_binfo
.kernel_filename
);
56 static void tricore_testboard_init(MachineState
*machine
, int board_id
)
61 MemoryRegion
*sysmem
= get_system_memory();
62 MemoryRegion
*ext_cram
= g_new(MemoryRegion
, 1);
63 MemoryRegion
*ext_dram
= g_new(MemoryRegion
, 1);
64 MemoryRegion
*int_cram
= g_new(MemoryRegion
, 1);
65 MemoryRegion
*int_dram
= g_new(MemoryRegion
, 1);
66 MemoryRegion
*pcp_data
= g_new(MemoryRegion
, 1);
67 MemoryRegion
*pcp_text
= g_new(MemoryRegion
, 1);
69 cpu
= TRICORE_CPU(cpu_create(machine
->cpu_type
));
71 memory_region_init_ram(ext_cram
, NULL
, "powerlink_ext_c.ram",
72 2 * MiB
, &error_fatal
);
73 memory_region_init_ram(ext_dram
, NULL
, "powerlink_ext_d.ram",
74 4 * MiB
, &error_fatal
);
75 memory_region_init_ram(int_cram
, NULL
, "powerlink_int_c.ram", 48 * KiB
,
77 memory_region_init_ram(int_dram
, NULL
, "powerlink_int_d.ram", 48 * KiB
,
79 memory_region_init_ram(pcp_data
, NULL
, "powerlink_pcp_data.ram",
80 16 * KiB
, &error_fatal
);
81 memory_region_init_ram(pcp_text
, NULL
, "powerlink_pcp_text.ram",
82 32 * KiB
, &error_fatal
);
84 memory_region_add_subregion(sysmem
, 0x80000000, ext_cram
);
85 memory_region_add_subregion(sysmem
, 0xa1000000, ext_dram
);
86 memory_region_add_subregion(sysmem
, 0xd4000000, int_cram
);
87 memory_region_add_subregion(sysmem
, 0xd0000000, int_dram
);
88 memory_region_add_subregion(sysmem
, 0xf0050000, pcp_data
);
89 memory_region_add_subregion(sysmem
, 0xf0060000, pcp_text
);
91 tricoretb_binfo
.ram_size
= machine
->ram_size
;
92 tricoretb_binfo
.kernel_filename
= machine
->kernel_filename
;
94 if (machine
->kernel_filename
) {
95 tricore_load_kernel(env
);
99 static void tricoreboard_init(MachineState
*machine
)
101 tricore_testboard_init(machine
, 0x183);
104 static void ttb_machine_init(MachineClass
*mc
)
106 mc
->desc
= "a minimal TriCore board";
107 mc
->init
= tricoreboard_init
;
108 mc
->default_cpu_type
= TRICORE_CPU_TYPE_NAME("tc1796");
111 DEFINE_MACHINE("tricore_testboard", ttb_machine_init
)