[Qemu-devel] [PATCH RFC v3 09/11] RX Target hardware definition

[Yoshinori Sato <ysato@users.sourceforge.jp>]

rx62n -  RX62N cpu.
rxqemu - QEMU virtual target.

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
---
 hw/rx/Makefile.objs   |   1 +
 hw/rx/rx62n.c         | 227 ++++++++++++++++++++++++++++++++++++++++++++++++++
 hw/rx/rxqemu.c        | 100 ++++++++++++++++++++++
 include/hw/rx/rx.h    |   7 ++
 include/hw/rx/rx62n.h |  54 ++++++++++++
 5 files changed, 389 insertions(+)
 create mode 100644 hw/rx/Makefile.objs
 create mode 100644 hw/rx/rx62n.c
 create mode 100644 hw/rx/rxqemu.c
 create mode 100644 include/hw/rx/rx.h
 create mode 100644 include/hw/rx/rx62n.h

diff --git a/hw/rx/Makefile.objs b/hw/rx/Makefile.objs
new file mode 100644
index 0000000000..e2edbb527e
--- /dev/null
+++ b/hw/rx/Makefile.objs
@@ -0,0 +1 @@
+obj-y += rx62n.o rxqemu.o
diff --git a/hw/rx/rx62n.c b/hw/rx/rx62n.c
new file mode 100644
index 0000000000..bab1a4ad8f
--- /dev/null
+++ b/hw/rx/rx62n.c
@@ -0,0 +1,227 @@
+/*
+ * RX62N device
+ *
+ * Copyright (c) 2019 Yoshinori Sato
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2 or later, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "hw/hw.h"
+#include "hw/rx/rx62n.h"
+#include "hw/loader.h"
+#include "hw/sysbus.h"
+#include "sysemu/sysemu.h"
+#include "cpu.h"
+#include "exec/exec-all.h"
+#include "exec/address-spaces.h"
+
+static const int ipr_table[] = {
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 15 */
+    0x00, 0xff, 0xff, 0xff, 0xff, 0x01, 0xff, 0x02,
+    0xff, 0xff, 0xff, 0x03, 0x04, 0x05, 0x06, 0x07, /* 31 */
+    0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+    0x10, 0x11, 0x12, 0x13, 0x14, 0x14, 0x14, 0x14, /* 47 */
+    0x15, 0x15, 0x15, 0x15, 0xff, 0xff, 0xff, 0xff,
+    0x18, 0x18, 0x18, 0x18, 0x18, 0x1d, 0x1e, 0x1f, /* 63 */
+    0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
+    0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 79 */
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0x3a, 0x3b, 0x3c, 0xff, 0xff, 0xff, /* 95 */
+    0x40, 0xff, 0x44, 0x45, 0xff, 0xff, 0x48, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 111 */
+    0xff, 0xff, 0x51, 0x51, 0x51, 0x51, 0x52, 0x52,
+    0x52, 0x53, 0x53, 0x54, 0x54, 0x55, 0x55, 0x56, /* 127 */
+    0x56, 0x57, 0x57, 0x57, 0x57, 0x58, 0x59, 0x59,
+    0x59, 0x59, 0x5a, 0x5b, 0x5b, 0x5b, 0x5c, 0x5c, /* 143 */
+    0x5c, 0x5c, 0x5d, 0x5d, 0x5d, 0x5e, 0x5e, 0x5f,
+    0x5f, 0x60, 0x60, 0x61, 0x61, 0x62, 0x62, 0x62, /* 159 */
+    0x62, 0x63, 0x64, 0x64, 0x64, 0x64, 0x65, 0x66,
+    0x66, 0x66, 0x67, 0x67, 0x67, 0x67, 0x68, 0x68, /* 175 */
+    0x68, 0x69, 0x69, 0x69, 0x6a, 0x6a, 0x6a, 0x6b,
+    0x6b, 0x6b, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 191 */
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x70, 0x71,
+    0x72, 0x73, 0x74, 0x75, 0xff, 0xff, 0xff, 0xff, /* 207 */
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x80,
+    0x80, 0x80, 0x81, 0x81, 0x81, 0x81, 0x82, 0x82, /* 223 */
+    0x82, 0x82, 0x83, 0x83, 0x83, 0x83, 0xff, 0xff,
+    0xff, 0xff, 0x85, 0x85, 0x85, 0x85, 0x86, 0x86, /* 239 */
+    0x86, 0x86, 0xff, 0xff, 0xff, 0xff, 0x88, 0x89,
+    0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, /* 255 */
+};
+
+static const uint32_t levelirq[] = {
+     16,  21,  32,  44,  47,  48,  51,  64,  65,  66,
+     67,  68,  69,  70,  71,  72,  73,  74,  75,  76,
+     77,  78,  79,  90,  91, 170, 171, 172, 173, 214,
+    217, 218, 221, 222, 225, 226, 229, 234, 237, 238,
+    241, 246, 249, 250, 253,
+};
+
+static RXICUState *register_icu(RX62NState *s)
+{
+    SysBusDevice *icu;
+    int i;
+
+    icu = SYS_BUS_DEVICE(qdev_create(NULL, TYPE_RXICU));
+    sysbus_mmio_map(icu, 0, 0x00087000);
+    qdev_prop_set_string(DEVICE(icu), "icutype", "icua");
+    qdev_prop_set_uint32(DEVICE(icu), "len-ipr-map", 256);
+    for (i = 0; i < 256; i++) {
+        char propname[32];
+        snprintf(propname, sizeof(propname), "ipr-map[%d]", i);
+        qdev_prop_set_uint32(DEVICE(icu), propname, ipr_table[i]);
+    }
+    qdev_prop_set_uint32(DEVICE(icu), "len-trigger-level", 256);
+    for (i = 0; i < ARRAY_SIZE(levelirq); i++) {
+        char propname[32];
+        snprintf(propname, sizeof(propname), "trigger-level[%d]", i);
+        qdev_prop_set_uint32(DEVICE(icu), propname, levelirq[i]);
+    }
+    for (i = 0; i < 256; i++) {
+        s->irq[i] = qdev_get_gpio_in(DEVICE(icu), i);
+    }
+
+    qdev_init_nofail(DEVICE(icu));
+    sysbus_connect_irq(SYS_BUS_DEVICE(icu), 0,
+                       qdev_get_gpio_in(DEVICE(s->cpu), RX_CPU_IRQ));
+    sysbus_connect_irq(SYS_BUS_DEVICE(icu), 1,
+                       qdev_get_gpio_in(DEVICE(s->cpu), RX_CPU_FIR));
+    sysbus_connect_irq(SYS_BUS_DEVICE(icu), 2, s->irq[SWI]);
+
+    return RXICU(icu);
+}
+
+static RTMRState *register_tmr(RX62NState *s, int unit)
+{
+    SysBusDevice *tmr;
+    int i, irqbase;
+
+    tmr = SYS_BUS_DEVICE(qdev_create(NULL, TYPE_RENESAS_TMR));
+    sysbus_mmio_map(tmr, 0, 0x00088200 + unit * 0x10);
+    qdev_prop_set_uint64(DEVICE(tmr), "input-freq", 48000000);
+
+    qdev_init_nofail(DEVICE(tmr));
+    irqbase = 174 + 6 * unit;
+    for (i = 0; i < 6; i++) {
+        sysbus_connect_irq(tmr, i, s->irq[irqbase + i]);
+    }
+
+    return RTMR(tmr);
+}
+
+static RCMTState *register_cmt(RX62NState *s, int unit)
+{
+    SysBusDevice *cmt;
+    int i, irqbase;
+
+    cmt = SYS_BUS_DEVICE(qdev_create(NULL, TYPE_RENESAS_CMT));
+    sysbus_mmio_map(cmt, 0, 0x00088000 + unit * 0x10);
+    qdev_prop_set_uint64(DEVICE(cmt), "input-freq", 48000000);
+
+    qdev_init_nofail(DEVICE(cmt));
+    irqbase = 28 + 2 * unit;
+    for (i = 0; i < 1; i++) {
+        sysbus_connect_irq(cmt, i, s->irq[irqbase + i]);
+    }
+
+    return RCMT(cmt);
+}
+
+static RSCIState *register_sci(RX62NState *s, int unit)
+{
+    SysBusDevice *sci;
+    int i, irqbase;
+
+    sci = SYS_BUS_DEVICE(qdev_create(NULL, TYPE_RENESAS_SCI));
+    qdev_prop_set_chr(DEVICE(sci), "chardev", serial_hd(unit));
+    qdev_prop_set_uint64(DEVICE(sci), "input-freq", 48000000);
+    qdev_init_nofail(DEVICE(sci));
+    sysbus_mmio_map(sci, 0, 0x00088240 + unit * 0x08);
+    irqbase = 214 + 4 * unit;
+    for (i = 0; i < 4; i++) {
+        sysbus_connect_irq(sci, i, s->irq[irqbase + i]);
+    }
+
+    object_property_set_bool(OBJECT(sci), true, "realized", NULL);
+    return RSCI(sci);
+}
+
+static void rx62n_realize(DeviceState *dev, Error **errp)
+{
+    RX62NState *s = RX62N(dev);
+    Error *err = NULL;
+
+    memory_region_init_ram(&s->iram, NULL, "iram", 0x18000, NULL);
+    memory_region_add_subregion(s->sysmem, 0x00000000, &s->iram);
+    memory_region_init_rom(&s->d_flash, NULL, "dataflash", 0x8000, NULL);
+    memory_region_add_subregion(s->sysmem, 0x00100000, &s->d_flash);
+    memory_region_init_rom(&s->c_flash, NULL, "codeflash", 0x80000, NULL);
+    memory_region_add_subregion(s->sysmem, 0xfff80000, &s->c_flash);
+
+    s->cpu = RXCPU(object_new(TYPE_RXCPU));
+
+    if (!s->kernel) {
+        rom_add_file_fixed(bios_name, 0xfff80000, 0);
+    }
+
+    object_property_set_bool(OBJECT(s->cpu), true, "realized", &err);
+    if (err != NULL) {
+        error_propagate(errp, err);
+        return;
+    }
+
+    s->icu = register_icu(s);
+    s->cpu->env.ack = qdev_get_gpio_in_named(DEVICE(s->icu), "ack", 0);
+    s->tmr[0] = register_tmr(s, 0);
+    s->tmr[1] = register_tmr(s, 1);
+    s->cmt[0] = register_cmt(s, 0);
+    s->cmt[1] = register_cmt(s, 1);
+    s->sci[0] = register_sci(s, 0);
+}
+
+static void rx62n_init(Object *obj)
+{
+}
+
+static Property rx62n_properties[] = {
+    DEFINE_PROP_LINK("memory", RX62NState, sysmem, TYPE_MEMORY_REGION,
+                     MemoryRegion *),
+    DEFINE_PROP_BOOL("load-kernel", RX62NState, kernel, false),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
+static void rx62n_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+
+    dc->realize = rx62n_realize;
+    dc->props = rx62n_properties;
+}
+
+static const TypeInfo rx62n_info = {
+    .name = TYPE_RX62N,
+    .parent = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(RX62NState),
+    .instance_init = rx62n_init,
+    .class_init = rx62n_class_init,
+};
+
+static void rx62n_register_types(void)
+{
+    type_register_static(&rx62n_info);
+}
+
+type_init(rx62n_register_types)
diff --git a/hw/rx/rxqemu.c b/hw/rx/rxqemu.c
new file mode 100644
index 0000000000..87cd30b2f1
--- /dev/null
+++ b/hw/rx/rxqemu.c
@@ -0,0 +1,100 @@
+/*
+ * RX QEMU virtual target
+ *
+ * Copyright (c) 2019 Yoshinori Sato
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2 or later, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "qemu-common.h"
+#include "cpu.h"
+#include "hw/hw.h"
+#include "hw/sysbus.h"
+#include "hw/loader.h"
+#include "hw/rx/rx62n.h"
+#include "sysemu/sysemu.h"
+#include "sysemu/qtest.h"
+#include "sysemu/device_tree.h"
+#include "hw/boards.h"
+#include "exec/address-spaces.h"
+#include "exec/cpu-all.h"
+
+static void rxqemu_init(MachineState *machine)
+{
+    DeviceState *cpu;
+    MemoryRegion *sysmem = get_system_memory();
+    MemoryRegion *sdram = g_new(MemoryRegion, 1);
+    const char *kernel_filename = machine->kernel_filename;
+    const char *dtb_filename = machine->dtb;
+    void *dtb = NULL;
+    int dtb_size;
+
+    /* Allocate memory space */
+    memory_region_init_ram(sdram, NULL, "rxqemu.sdram", 0x01000000,
+                           &error_fatal);
+    memory_region_add_subregion(sysmem, 0x01000000, sdram);
+
+    cpu = qdev_create(NULL, TYPE_RX62N);
+    object_property_set_link(OBJECT(cpu), OBJECT(get_system_memory()),
+                             "memory", &error_abort);
+    object_property_set_bool(OBJECT(cpu), kernel_filename != NULL,
+                             "load-kernel", &error_abort);
+    /* This will exit with an error if the user passed us a bad cpu_type */
+    qdev_init_nofail(cpu);
+
+    if (kernel_filename) {
+        rx_load_image(RXCPU(first_cpu), kernel_filename,
+                      0x01800000, 0x00800000);
+    }
+    if (dtb_filename) {
+        dtb = load_device_tree(dtb_filename, &dtb_size);
+        if (dtb == NULL) {
+            fprintf(stderr, "Couldn't open dtb file %s\n", dtb_filename);
+            exit(1);
+        }
+        if (machine->kernel_cmdline &&
+            qemu_fdt_setprop_string(dtb, "/chosen", "bootargs",
+                                    machine->kernel_cmdline) < 0) {
+            fprintf(stderr, "couldn't set /chosen/bootargs\n");
+            exit(1);
+        }
+        rom_add_blob_fixed("dtb", dtb, dtb_size, 0x02000000 - dtb_size);
+        /* Set dtb address to R1 */
+        RXCPU(first_cpu)->env.regs[1] = 0x02000000 - dtb_size;
+    }
+}
+
+static void rxqemu_class_init(ObjectClass *oc, void *data)
+{
+    MachineClass *mc = MACHINE_CLASS(oc);
+
+    mc->desc = "RX QEMU Virtual Target";
+    mc->init = rxqemu_init;
+    mc->is_default = 1;
+    mc->default_cpu_type = TYPE_RXCPU;
+}
+
+static const TypeInfo rxqemu_type = {
+    .name = MACHINE_TYPE_NAME("rx-qemu"),
+    .parent = TYPE_MACHINE,
+    .class_init = rxqemu_class_init,
+};
+
+static void rxqemu_machine_init(void)
+{
+    type_register_static(&rxqemu_type);
+}
+
+type_init(rxqemu_machine_init)
diff --git a/include/hw/rx/rx.h b/include/hw/rx/rx.h
new file mode 100644
index 0000000000..ff5924b81f
--- /dev/null
+++ b/include/hw/rx/rx.h
@@ -0,0 +1,7 @@
+#ifndef QEMU_RX_H
+#define QEMU_RX_H
+/* Definitions for RX board emulation.  */
+
+#include "target/rx/cpu-qom.h"
+
+#endif
diff --git a/include/hw/rx/rx62n.h b/include/hw/rx/rx62n.h
new file mode 100644
index 0000000000..8c15399ce0
--- /dev/null
+++ b/include/hw/rx/rx62n.h
@@ -0,0 +1,54 @@
+/*
+ * RX62N Object
+ *
+ * Copyright (c) 2019 Yoshinori Sato
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2 or later, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef HW_RX_RX62N_H
+#define HW_RX_RX62N_H
+
+#include "hw/sysbus.h"
+#include "hw/rx/rx.h"
+#include "hw/intc/rx_icu.h"
+#include "hw/timer/renesas_tmr.h"
+#include "hw/timer/renesas_cmt.h"
+#include "hw/char/renesas_sci.h"
+
+#define TYPE_RX62N "rx62n"
+#define TYPE_RX62N_CPU RX_CPU_TYPE_NAME(TYPE_RX62N)
+#define RX62N(obj) OBJECT_CHECK(RX62NState, (obj), TYPE_RX62N)
+
+typedef struct RX62NState {
+    SysBusDevice parent_obj;
+
+    RXCPU *cpu;
+    RXICUState *icu;
+    RTMRState *tmr[2];
+    RCMTState *cmt[2];
+    RSCIState *sci[6];
+
+    MemoryRegion *sysmem;
+    bool kernel;
+
+    MemoryRegion iram;
+    MemoryRegion iomem1;
+    MemoryRegion d_flash;
+    MemoryRegion iomem2;
+    MemoryRegion iomem3;
+    MemoryRegion c_flash;
+    qemu_irq irq[256];
+} RX62NState;
+
+#endif
-- 
2.11.0