common-obj-y += eeprom93xx.o
common-obj-y += fw_cfg.o
common-obj-$(CONFIG_MAC_NVRAM) += mac_nvram.o
+obj-$(CONFIG_PSERIES) += spapr_nvram.o
--- /dev/null
+/*
+ * QEMU sPAPR NVRAM emulation
+ *
+ * Copyright (C) 2012 David Gibson, IBM Corporation.
+ *
+ * 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 <libfdt.h>
+
+#include "sysemu/device_tree.h"
+#include "hw/sysbus.h"
+#include "hw/ppc/spapr.h"
+#include "hw/ppc/spapr_vio.h"
+
+typedef struct sPAPRNVRAM {
+ VIOsPAPRDevice sdev;
+ uint32_t size;
+ uint8_t *buf;
+ BlockDriverState *drive;
+} sPAPRNVRAM;
+
+#define MIN_NVRAM_SIZE 8192
+#define DEFAULT_NVRAM_SIZE 65536
+#define MAX_NVRAM_SIZE (UINT16_MAX * 16)
+
+static void rtas_nvram_fetch(sPAPREnvironment *spapr,
+ uint32_t token, uint32_t nargs,
+ target_ulong args,
+ uint32_t nret, target_ulong rets)
+{
+ sPAPRNVRAM *nvram = spapr->nvram;
+ hwaddr offset, buffer, len;
+ int alen;
+ void *membuf;
+
+ if ((nargs != 3) || (nret != 2)) {
+ rtas_st(rets, 0, -3);
+ return;
+ }
+
+ if (!nvram) {
+ rtas_st(rets, 0, -1);
+ rtas_st(rets, 1, 0);
+ return;
+ }
+
+ offset = rtas_ld(args, 0);
+ buffer = rtas_ld(args, 1);
+ len = rtas_ld(args, 2);
+
+ if (((offset + len) < offset)
+ || ((offset + len) > nvram->size)) {
+ rtas_st(rets, 0, -3);
+ rtas_st(rets, 1, 0);
+ return;
+ }
+
+ membuf = cpu_physical_memory_map(buffer, &len, 1);
+ if (nvram->drive) {
+ alen = bdrv_pread(nvram->drive, offset, membuf, len);
+ } else {
+ assert(nvram->buf);
+
+ memcpy(membuf, nvram->buf + offset, len);
+ alen = len;
+ }
+ cpu_physical_memory_unmap(membuf, len, 1, len);
+
+ rtas_st(rets, 0, (alen < len) ? -1 : 0);
+ rtas_st(rets, 1, (alen < 0) ? 0 : alen);
+}
+
+static void rtas_nvram_store(sPAPREnvironment *spapr,
+ uint32_t token, uint32_t nargs,
+ target_ulong args,
+ uint32_t nret, target_ulong rets)
+{
+ sPAPRNVRAM *nvram = spapr->nvram;
+ hwaddr offset, buffer, len;
+ int alen;
+ void *membuf;
+
+ if ((nargs != 3) || (nret != 2)) {
+ rtas_st(rets, 0, -3);
+ return;
+ }
+
+ if (!nvram) {
+ rtas_st(rets, 0, -1);
+ return;
+ }
+
+ offset = rtas_ld(args, 0);
+ buffer = rtas_ld(args, 1);
+ len = rtas_ld(args, 2);
+
+ if (((offset + len) < offset)
+ || ((offset + len) > nvram->size)) {
+ rtas_st(rets, 0, -3);
+ return;
+ }
+
+ membuf = cpu_physical_memory_map(buffer, &len, 0);
+ if (nvram->drive) {
+ alen = bdrv_pwrite(nvram->drive, offset, membuf, len);
+ } else {
+ assert(nvram->buf);
+
+ memcpy(nvram->buf + offset, membuf, len);
+ alen = len;
+ }
+ cpu_physical_memory_unmap(membuf, len, 0, len);
+
+ rtas_st(rets, 0, (alen < len) ? -1 : 0);
+ rtas_st(rets, 1, (alen < 0) ? 0 : alen);
+}
+
+static int spapr_nvram_init(VIOsPAPRDevice *dev)
+{
+ sPAPRNVRAM *nvram = (sPAPRNVRAM *)dev;
+
+ if (nvram->drive) {
+ nvram->size = bdrv_getlength(nvram->drive);
+ } else {
+ nvram->size = DEFAULT_NVRAM_SIZE;
+ nvram->buf = g_malloc0(nvram->size);
+ }
+
+ if ((nvram->size < MIN_NVRAM_SIZE) || (nvram->size > MAX_NVRAM_SIZE)) {
+ fprintf(stderr, "spapr-nvram must be between %d and %d bytes in size\n",
+ MIN_NVRAM_SIZE, MAX_NVRAM_SIZE);
+ return -1;
+ }
+
+ spapr_rtas_register("nvram-fetch", rtas_nvram_fetch);
+ spapr_rtas_register("nvram-store", rtas_nvram_store);
+
+ return 0;
+}
+
+static int spapr_nvram_devnode(VIOsPAPRDevice *dev, void *fdt, int node_off)
+{
+ sPAPRNVRAM *nvram = (sPAPRNVRAM *)dev;
+
+ return fdt_setprop_cell(fdt, node_off, "#bytes", nvram->size);
+}
+
+static Property spapr_nvram_properties[] = {
+ DEFINE_SPAPR_PROPERTIES(sPAPRNVRAM, sdev),
+ DEFINE_PROP_DRIVE("drive", sPAPRNVRAM, drive),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void spapr_nvram_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ VIOsPAPRDeviceClass *k = VIO_SPAPR_DEVICE_CLASS(klass);
+
+ k->init = spapr_nvram_init;
+ k->devnode = spapr_nvram_devnode;
+ k->dt_name = "nvram";
+ k->dt_type = "nvram";
+ k->dt_compatible = "qemu,spapr-nvram";
+ dc->props = spapr_nvram_properties;
+}
+
+static const TypeInfo spapr_nvram_type_info = {
+ .name = "spapr-nvram",
+ .parent = TYPE_VIO_SPAPR_DEVICE,
+ .instance_size = sizeof(sPAPRNVRAM),
+ .class_init = spapr_nvram_class_init,
+};
+
+static void spapr_nvram_register_types(void)
+{
+ type_register_static(&spapr_nvram_type_info);
+}
+
+type_init(spapr_nvram_register_types)
-# IBM pSeries (sPAPR)
-obj-$(CONFIG_PSERIES) += spapr_nvram.o
-
-obj-y := $(addprefix ../,$(obj-y))
-
# shared objects
obj-y += ppc.o ppc_booke.o
# IBM pSeries (sPAPR)
+++ /dev/null
-/*
- * QEMU sPAPR NVRAM emulation
- *
- * Copyright (C) 2012 David Gibson, IBM Corporation.
- *
- * 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 <libfdt.h>
-
-#include "sysemu/device_tree.h"
-#include "hw/sysbus.h"
-#include "hw/ppc/spapr.h"
-#include "hw/ppc/spapr_vio.h"
-
-typedef struct sPAPRNVRAM {
- VIOsPAPRDevice sdev;
- uint32_t size;
- uint8_t *buf;
- BlockDriverState *drive;
-} sPAPRNVRAM;
-
-#define MIN_NVRAM_SIZE 8192
-#define DEFAULT_NVRAM_SIZE 65536
-#define MAX_NVRAM_SIZE (UINT16_MAX * 16)
-
-static void rtas_nvram_fetch(sPAPREnvironment *spapr,
- uint32_t token, uint32_t nargs,
- target_ulong args,
- uint32_t nret, target_ulong rets)
-{
- sPAPRNVRAM *nvram = spapr->nvram;
- hwaddr offset, buffer, len;
- int alen;
- void *membuf;
-
- if ((nargs != 3) || (nret != 2)) {
- rtas_st(rets, 0, -3);
- return;
- }
-
- if (!nvram) {
- rtas_st(rets, 0, -1);
- rtas_st(rets, 1, 0);
- return;
- }
-
- offset = rtas_ld(args, 0);
- buffer = rtas_ld(args, 1);
- len = rtas_ld(args, 2);
-
- if (((offset + len) < offset)
- || ((offset + len) > nvram->size)) {
- rtas_st(rets, 0, -3);
- rtas_st(rets, 1, 0);
- return;
- }
-
- membuf = cpu_physical_memory_map(buffer, &len, 1);
- if (nvram->drive) {
- alen = bdrv_pread(nvram->drive, offset, membuf, len);
- } else {
- assert(nvram->buf);
-
- memcpy(membuf, nvram->buf + offset, len);
- alen = len;
- }
- cpu_physical_memory_unmap(membuf, len, 1, len);
-
- rtas_st(rets, 0, (alen < len) ? -1 : 0);
- rtas_st(rets, 1, (alen < 0) ? 0 : alen);
-}
-
-static void rtas_nvram_store(sPAPREnvironment *spapr,
- uint32_t token, uint32_t nargs,
- target_ulong args,
- uint32_t nret, target_ulong rets)
-{
- sPAPRNVRAM *nvram = spapr->nvram;
- hwaddr offset, buffer, len;
- int alen;
- void *membuf;
-
- if ((nargs != 3) || (nret != 2)) {
- rtas_st(rets, 0, -3);
- return;
- }
-
- if (!nvram) {
- rtas_st(rets, 0, -1);
- return;
- }
-
- offset = rtas_ld(args, 0);
- buffer = rtas_ld(args, 1);
- len = rtas_ld(args, 2);
-
- if (((offset + len) < offset)
- || ((offset + len) > nvram->size)) {
- rtas_st(rets, 0, -3);
- return;
- }
-
- membuf = cpu_physical_memory_map(buffer, &len, 0);
- if (nvram->drive) {
- alen = bdrv_pwrite(nvram->drive, offset, membuf, len);
- } else {
- assert(nvram->buf);
-
- memcpy(nvram->buf + offset, membuf, len);
- alen = len;
- }
- cpu_physical_memory_unmap(membuf, len, 0, len);
-
- rtas_st(rets, 0, (alen < len) ? -1 : 0);
- rtas_st(rets, 1, (alen < 0) ? 0 : alen);
-}
-
-static int spapr_nvram_init(VIOsPAPRDevice *dev)
-{
- sPAPRNVRAM *nvram = (sPAPRNVRAM *)dev;
-
- if (nvram->drive) {
- nvram->size = bdrv_getlength(nvram->drive);
- } else {
- nvram->size = DEFAULT_NVRAM_SIZE;
- nvram->buf = g_malloc0(nvram->size);
- }
-
- if ((nvram->size < MIN_NVRAM_SIZE) || (nvram->size > MAX_NVRAM_SIZE)) {
- fprintf(stderr, "spapr-nvram must be between %d and %d bytes in size\n",
- MIN_NVRAM_SIZE, MAX_NVRAM_SIZE);
- return -1;
- }
-
- spapr_rtas_register("nvram-fetch", rtas_nvram_fetch);
- spapr_rtas_register("nvram-store", rtas_nvram_store);
-
- return 0;
-}
-
-static int spapr_nvram_devnode(VIOsPAPRDevice *dev, void *fdt, int node_off)
-{
- sPAPRNVRAM *nvram = (sPAPRNVRAM *)dev;
-
- return fdt_setprop_cell(fdt, node_off, "#bytes", nvram->size);
-}
-
-static Property spapr_nvram_properties[] = {
- DEFINE_SPAPR_PROPERTIES(sPAPRNVRAM, sdev),
- DEFINE_PROP_DRIVE("drive", sPAPRNVRAM, drive),
- DEFINE_PROP_END_OF_LIST(),
-};
-
-static void spapr_nvram_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- VIOsPAPRDeviceClass *k = VIO_SPAPR_DEVICE_CLASS(klass);
-
- k->init = spapr_nvram_init;
- k->devnode = spapr_nvram_devnode;
- k->dt_name = "nvram";
- k->dt_type = "nvram";
- k->dt_compatible = "qemu,spapr-nvram";
- dc->props = spapr_nvram_properties;
-}
-
-static const TypeInfo spapr_nvram_type_info = {
- .name = "spapr-nvram",
- .parent = TYPE_VIO_SPAPR_DEVICE,
- .instance_size = sizeof(sPAPRNVRAM),
- .class_init = spapr_nvram_class_init,
-};
-
-static void spapr_nvram_register_types(void)
-{
- type_register_static(&spapr_nvram_type_info);
-}
-
-type_init(spapr_nvram_register_types)
projects / qemu.git / commitdiff