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authorBastian Koppelmann <kbastian@mail.uni-paderborn.de>2014-09-01 12:59:47 +0100
committerPeter Maydell <peter.maydell@linaro.org>2014-09-01 14:49:20 +0100
commite2d05011030d99fa0db1eeab1ca3c8fc497a6c95 (patch)
treea31a51b8dc95d7bb3111ccbae42e61c71b5a7f28
parent48e06fe0ed8c265336bb7320c3a294fd0d082c04 (diff)
downloadhqemu-e2d05011030d99fa0db1eeab1ca3c8fc497a6c95.zip
hqemu-e2d05011030d99fa0db1eeab1ca3c8fc497a6c95.tar.gz
target-tricore: Add board for systemmode
Add basic board to allow systemmode emulation Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Message-id: 1409572800-4116-3-git-send-email-kbastian@mail.uni-paderborn.de Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--hw/tricore/Makefile.objs1
-rw-r--r--hw/tricore/tricore_testboard.c124
-rw-r--r--include/hw/tricore/tricore.h11
3 files changed, 136 insertions, 0 deletions
diff --git a/hw/tricore/Makefile.objs b/hw/tricore/Makefile.objs
new file mode 100644
index 0000000..435e095
--- /dev/null
+++ b/hw/tricore/Makefile.objs
@@ -0,0 +1 @@
+obj-y += tricore_testboard.o
diff --git a/hw/tricore/tricore_testboard.c b/hw/tricore/tricore_testboard.c
new file mode 100644
index 0000000..f412e27
--- /dev/null
+++ b/hw/tricore/tricore_testboard.c
@@ -0,0 +1,124 @@
+/*
+ * TriCore Baseboard System emulation.
+ *
+ * Copyright (c) 2013-2014 Bastian Koppelmann C-Lab/University Paderborn
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "hw/hw.h"
+#include "hw/devices.h"
+#include "net/net.h"
+#include "sysemu/sysemu.h"
+#include "hw/boards.h"
+#include "hw/loader.h"
+#include "sysemu/blockdev.h"
+#include "exec/address-spaces.h"
+#include "hw/block/flash.h"
+#include "elf.h"
+#include "hw/tricore/tricore.h"
+#include "qemu/error-report.h"
+
+
+/* Board init. */
+
+static struct tricore_boot_info tricoretb_binfo;
+
+static void tricore_load_kernel(CPUTriCoreState *env)
+{
+ uint64_t entry;
+ long kernel_size;
+
+ kernel_size = load_elf(tricoretb_binfo.kernel_filename, NULL,
+ NULL, (uint64_t *)&entry, NULL,
+ NULL, 0,
+ ELF_MACHINE, 1);
+ if (kernel_size <= 0) {
+ error_report("qemu: no kernel file '%s'",
+ tricoretb_binfo.kernel_filename);
+ exit(1);
+ }
+ env->PC = entry;
+
+}
+
+static void tricore_testboard_init(MachineState *machine, int board_id)
+{
+ TriCoreCPU *cpu;
+ CPUTriCoreState *env;
+
+ MemoryRegion *sysmem = get_system_memory();
+ MemoryRegion *ext_cram = g_new(MemoryRegion, 1);
+ MemoryRegion *ext_dram = g_new(MemoryRegion, 1);
+ MemoryRegion *int_cram = g_new(MemoryRegion, 1);
+ MemoryRegion *int_dram = g_new(MemoryRegion, 1);
+ MemoryRegion *pcp_data = g_new(MemoryRegion, 1);
+ MemoryRegion *pcp_text = g_new(MemoryRegion, 1);
+
+ if (!machine->cpu_model) {
+ machine->cpu_model = "tc1796";
+ }
+ cpu = cpu_tricore_init(machine->cpu_model);
+ env = &cpu->env;
+ if (!cpu) {
+ error_report("Unable to find CPU definition");
+ exit(1);
+ }
+ memory_region_init_ram(ext_cram, NULL, "powerlink_ext_c.ram", 2*1024*1024);
+ vmstate_register_ram_global(ext_cram);
+ memory_region_init_ram(ext_dram, NULL, "powerlink_ext_d.ram", 4*1024*1024);
+ vmstate_register_ram_global(ext_dram);
+ memory_region_init_ram(int_cram, NULL, "powerlink_int_c.ram", 48*1024);
+ vmstate_register_ram_global(int_cram);
+ memory_region_init_ram(int_dram, NULL, "powerlink_int_d.ram", 48*1024);
+ vmstate_register_ram_global(int_dram);
+ memory_region_init_ram(pcp_data, NULL, "powerlink_pcp_data.ram", 16*1024);
+ vmstate_register_ram_global(pcp_data);
+ memory_region_init_ram(pcp_text, NULL, "powerlink_pcp_text.ram", 32*1024);
+ vmstate_register_ram_global(pcp_text);
+
+ memory_region_add_subregion(sysmem, 0x80000000, ext_cram);
+ memory_region_add_subregion(sysmem, 0xa1000000, ext_dram);
+ memory_region_add_subregion(sysmem, 0xd4000000, int_cram);
+ memory_region_add_subregion(sysmem, 0xd0000000, int_dram);
+ memory_region_add_subregion(sysmem, 0xf0050000, pcp_data);
+ memory_region_add_subregion(sysmem, 0xf0060000, pcp_text);
+
+ tricoretb_binfo.ram_size = machine->ram_size;
+ tricoretb_binfo.kernel_filename = machine->kernel_filename;
+
+ if (machine->kernel_filename) {
+ tricore_load_kernel(env);
+ }
+}
+
+static void tricoreboard_init(MachineState *machine)
+{
+ tricore_testboard_init(machine, 0x183);
+}
+
+static QEMUMachine ttb_machine = {
+ .name = "tricore_testboard",
+ .desc = "a minimal TriCore board",
+ .init = tricoreboard_init,
+ .is_default = 0,
+};
+
+static void tricore_testboard_machine_init(void)
+{
+ qemu_register_machine(&ttb_machine);
+}
+
+machine_init(tricore_testboard_machine_init);
diff --git a/include/hw/tricore/tricore.h b/include/hw/tricore/tricore.h
new file mode 100644
index 0000000..5f13252
--- /dev/null
+++ b/include/hw/tricore/tricore.h
@@ -0,0 +1,11 @@
+#ifndef TRICORE_MISC_H
+#define TRICORE_MISC_H 1
+
+#include "exec/memory.h"
+#include "hw/irq.h"
+
+struct tricore_boot_info {
+ uint64_t ram_size;
+ const char *kernel_filename;
+};
+#endif
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