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-rwxr-xr-xconfigure1
-rw-r--r--gdb-xml/s390-acr.xml26
-rw-r--r--gdb-xml/s390-fpr.xml27
-rw-r--r--gdb-xml/s390x-core64.xml28
-rw-r--r--hw/s390x/s390-virtio-ccw.c46
-rw-r--r--hw/s390x/s390-virtio.c15
-rw-r--r--hw/s390x/sclp.c289
-rw-r--r--include/hw/s390x/sclp.h20
-rw-r--r--pc-bios/s390-ccw.imgbin17752 -> 17752 bytes
-rw-r--r--pc-bios/s390-ccw/bootmap.c107
-rw-r--r--pc-bios/s390-ccw/bootmap.h2
-rw-r--r--pc-bios/s390-ccw/virtio.c48
-rw-r--r--pc-bios/s390-ccw/virtio.h2
-rw-r--r--qemu-options.hx3
-rw-r--r--target-s390x/cpu-qom.h1
-rw-r--r--target-s390x/cpu.c10
-rw-r--r--target-s390x/cpu.h73
-rw-r--r--target-s390x/gdbstub.c109
-rw-r--r--target-s390x/kvm.c28
-rw-r--r--target-s390x/misc_helper.c30
20 files changed, 692 insertions, 173 deletions
diff --git a/configure b/configure
index 2063cf6a3c..15201f980f 100755
--- a/configure
+++ b/configure
@@ -5093,6 +5093,7 @@ case "$target_name" in
echo "TARGET_ABI32=y" >> $config_target_mak
;;
s390x)
+ gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml"
;;
unicore32)
;;
diff --git a/gdb-xml/s390-acr.xml b/gdb-xml/s390-acr.xml
new file mode 100644
index 0000000000..71dfb20528
--- /dev/null
+++ b/gdb-xml/s390-acr.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0"?>
+<!-- Copyright (C) 2010-2014 Free Software Foundation, Inc.
+
+ Copying and distribution of this file, with or without modification,
+ are permitted in any medium without royalty provided the copyright
+ notice and this notice are preserved. -->
+
+<!DOCTYPE feature SYSTEM "gdb-target.dtd">
+<feature name="org.gnu.gdb.s390.acr">
+ <reg name="acr0" bitsize="32" type="uint32" group="access"/>
+ <reg name="acr1" bitsize="32" type="uint32" group="access"/>
+ <reg name="acr2" bitsize="32" type="uint32" group="access"/>
+ <reg name="acr3" bitsize="32" type="uint32" group="access"/>
+ <reg name="acr4" bitsize="32" type="uint32" group="access"/>
+ <reg name="acr5" bitsize="32" type="uint32" group="access"/>
+ <reg name="acr6" bitsize="32" type="uint32" group="access"/>
+ <reg name="acr7" bitsize="32" type="uint32" group="access"/>
+ <reg name="acr8" bitsize="32" type="uint32" group="access"/>
+ <reg name="acr9" bitsize="32" type="uint32" group="access"/>
+ <reg name="acr10" bitsize="32" type="uint32" group="access"/>
+ <reg name="acr11" bitsize="32" type="uint32" group="access"/>
+ <reg name="acr12" bitsize="32" type="uint32" group="access"/>
+ <reg name="acr13" bitsize="32" type="uint32" group="access"/>
+ <reg name="acr14" bitsize="32" type="uint32" group="access"/>
+ <reg name="acr15" bitsize="32" type="uint32" group="access"/>
+</feature>
diff --git a/gdb-xml/s390-fpr.xml b/gdb-xml/s390-fpr.xml
new file mode 100644
index 0000000000..7de0c136ad
--- /dev/null
+++ b/gdb-xml/s390-fpr.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0"?>
+<!-- Copyright (C) 2010-2014 Free Software Foundation, Inc.
+
+ Copying and distribution of this file, with or without modification,
+ are permitted in any medium without royalty provided the copyright
+ notice and this notice are preserved. -->
+
+<!DOCTYPE feature SYSTEM "gdb-target.dtd">
+<feature name="org.gnu.gdb.s390.fpr">
+ <reg name="fpc" bitsize="32" type="uint32" group="float"/>
+ <reg name="f0" bitsize="64" type="ieee_double" group="float"/>
+ <reg name="f1" bitsize="64" type="ieee_double" group="float"/>
+ <reg name="f2" bitsize="64" type="ieee_double" group="float"/>
+ <reg name="f3" bitsize="64" type="ieee_double" group="float"/>
+ <reg name="f4" bitsize="64" type="ieee_double" group="float"/>
+ <reg name="f5" bitsize="64" type="ieee_double" group="float"/>
+ <reg name="f6" bitsize="64" type="ieee_double" group="float"/>
+ <reg name="f7" bitsize="64" type="ieee_double" group="float"/>
+ <reg name="f8" bitsize="64" type="ieee_double" group="float"/>
+ <reg name="f9" bitsize="64" type="ieee_double" group="float"/>
+ <reg name="f10" bitsize="64" type="ieee_double" group="float"/>
+ <reg name="f11" bitsize="64" type="ieee_double" group="float"/>
+ <reg name="f12" bitsize="64" type="ieee_double" group="float"/>
+ <reg name="f13" bitsize="64" type="ieee_double" group="float"/>
+ <reg name="f14" bitsize="64" type="ieee_double" group="float"/>
+ <reg name="f15" bitsize="64" type="ieee_double" group="float"/>
+</feature>
diff --git a/gdb-xml/s390x-core64.xml b/gdb-xml/s390x-core64.xml
new file mode 100644
index 0000000000..15234378ee
--- /dev/null
+++ b/gdb-xml/s390x-core64.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0"?>
+<!-- Copyright (C) 2010-2014 Free Software Foundation, Inc.
+
+ Copying and distribution of this file, with or without modification,
+ are permitted in any medium without royalty provided the copyright
+ notice and this notice are preserved. -->
+
+<!DOCTYPE feature SYSTEM "gdb-target.dtd">
+<feature name="org.gnu.gdb.s390.core">
+ <reg name="pswm" bitsize="64" type="uint64" group="psw"/>
+ <reg name="pswa" bitsize="64" type="uint64" group="psw"/>
+ <reg name="r0" bitsize="64" type="uint64" group="general"/>
+ <reg name="r1" bitsize="64" type="uint64" group="general"/>
+ <reg name="r2" bitsize="64" type="uint64" group="general"/>
+ <reg name="r3" bitsize="64" type="uint64" group="general"/>
+ <reg name="r4" bitsize="64" type="uint64" group="general"/>
+ <reg name="r5" bitsize="64" type="uint64" group="general"/>
+ <reg name="r6" bitsize="64" type="uint64" group="general"/>
+ <reg name="r7" bitsize="64" type="uint64" group="general"/>
+ <reg name="r8" bitsize="64" type="uint64" group="general"/>
+ <reg name="r9" bitsize="64" type="uint64" group="general"/>
+ <reg name="r10" bitsize="64" type="uint64" group="general"/>
+ <reg name="r11" bitsize="64" type="uint64" group="general"/>
+ <reg name="r12" bitsize="64" type="uint64" group="general"/>
+ <reg name="r13" bitsize="64" type="uint64" group="general"/>
+ <reg name="r14" bitsize="64" type="uint64" group="general"/>
+ <reg name="r15" bitsize="64" type="uint64" group="general"/>
+</feature>
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 004b2c20c5..e538b1f686 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -17,6 +17,7 @@
#include "ioinst.h"
#include "css.h"
#include "virtio-ccw.h"
+#include "qemu/config-file.h"
#define TYPE_S390_CCW_MACHINE "s390-ccw-machine"
@@ -86,17 +87,35 @@ static void ccw_init(MachineState *machine)
ram_addr_t my_ram_size = machine->ram_size;
MemoryRegion *sysmem = get_system_memory();
MemoryRegion *ram = g_new(MemoryRegion, 1);
- int shift = 0;
+ sclpMemoryHotplugDev *mhd = init_sclp_memory_hotplug_dev();
uint8_t *storage_keys;
int ret;
VirtualCssBus *css_bus;
-
- /* s390x ram size detection needs a 16bit multiplier + an increment. So
- guests > 64GB can be specified in 2MB steps etc. */
- while ((my_ram_size >> (20 + shift)) > 65535) {
- shift++;
+ QemuOpts *opts = qemu_opts_find(qemu_find_opts("memory"), NULL);
+ ram_addr_t pad_size = 0;
+ ram_addr_t maxmem = qemu_opt_get_size(opts, "maxmem", my_ram_size);
+ ram_addr_t standby_mem_size = maxmem - my_ram_size;
+
+ /* The storage increment size is a multiple of 1M and is a power of 2.
+ * The number of storage increments must be MAX_STORAGE_INCREMENTS or fewer.
+ * The variable 'mhd->increment_size' is an exponent of 2 that can be
+ * used to calculate the size (in bytes) of an increment. */
+ mhd->increment_size = 20;
+ while ((my_ram_size >> mhd->increment_size) > MAX_STORAGE_INCREMENTS) {
+ mhd->increment_size++;
+ }
+ while ((standby_mem_size >> mhd->increment_size) > MAX_STORAGE_INCREMENTS) {
+ mhd->increment_size++;
}
- my_ram_size = my_ram_size >> (20 + shift) << (20 + shift);
+
+ /* The core and standby memory areas need to be aligned with
+ * the increment size. In effect, this can cause the
+ * user-specified memory size to be rounded down to align
+ * with the nearest increment boundary. */
+ standby_mem_size = standby_mem_size >> mhd->increment_size
+ << mhd->increment_size;
+ my_ram_size = my_ram_size >> mhd->increment_size
+ << mhd->increment_size;
/* let's propagate the changed ram size into the global variable. */
ram_size = my_ram_size;
@@ -111,11 +130,22 @@ static void ccw_init(MachineState *machine)
/* register hypercalls */
virtio_ccw_register_hcalls();
- /* allocate RAM */
+ /* allocate RAM for core */
memory_region_init_ram(ram, NULL, "s390.ram", my_ram_size);
vmstate_register_ram_global(ram);
memory_region_add_subregion(sysmem, 0, ram);
+ /* If the size of ram is not on a MEM_SECTION_SIZE boundary,
+ calculate the pad size necessary to force this boundary. */
+ if (standby_mem_size) {
+ if (my_ram_size % MEM_SECTION_SIZE) {
+ pad_size = MEM_SECTION_SIZE - my_ram_size % MEM_SECTION_SIZE;
+ }
+ my_ram_size += standby_mem_size + pad_size;
+ mhd->pad_size = pad_size;
+ mhd->standby_mem_size = standby_mem_size;
+ }
+
/* allocate storage keys */
storage_keys = g_malloc0(my_ram_size / TARGET_PAGE_SIZE);
diff --git a/hw/s390x/s390-virtio.c b/hw/s390x/s390-virtio.c
index 1a75a1cf81..4ca52b7190 100644
--- a/hw/s390x/s390-virtio.c
+++ b/hw/s390x/s390-virtio.c
@@ -230,18 +230,21 @@ static void s390_init(MachineState *machine)
ram_addr_t my_ram_size = machine->ram_size;
MemoryRegion *sysmem = get_system_memory();
MemoryRegion *ram = g_new(MemoryRegion, 1);
- int shift = 0;
+ int increment_size = 20;
uint8_t *storage_keys;
void *virtio_region;
hwaddr virtio_region_len;
hwaddr virtio_region_start;
- /* s390x ram size detection needs a 16bit multiplier + an increment. So
- guests > 64GB can be specified in 2MB steps etc. */
- while ((my_ram_size >> (20 + shift)) > 65535) {
- shift++;
+ /*
+ * The storage increment size is a multiple of 1M and is a power of 2.
+ * The number of storage increments must be MAX_STORAGE_INCREMENTS or
+ * fewer.
+ */
+ while ((my_ram_size >> increment_size) > MAX_STORAGE_INCREMENTS) {
+ increment_size++;
}
- my_ram_size = my_ram_size >> (20 + shift) << (20 + shift);
+ my_ram_size = my_ram_size >> increment_size << increment_size;
/* let's propagate the changed ram size into the global variable. */
ram_size = my_ram_size;
diff --git a/hw/s390x/sclp.c b/hw/s390x/sclp.c
index d8ddf35e58..02b3275132 100644
--- a/hw/s390x/sclp.c
+++ b/hw/s390x/sclp.c
@@ -16,7 +16,8 @@
#include "sysemu/kvm.h"
#include "exec/memory.h"
#include "sysemu/sysemu.h"
-
+#include "exec/address-spaces.h"
+#include "qemu/config-file.h"
#include "hw/s390x/sclp.h"
#include "hw/s390x/event-facility.h"
@@ -33,10 +34,19 @@ static inline SCLPEventFacility *get_event_facility(void)
static void read_SCP_info(SCCB *sccb)
{
ReadInfo *read_info = (ReadInfo *) sccb;
+ sclpMemoryHotplugDev *mhd = get_sclp_memory_hotplug_dev();
CPUState *cpu;
- int shift = 0;
int cpu_count = 0;
int i = 0;
+ int increment_size = 20;
+ int rnsize, rnmax;
+ QemuOpts *opts = qemu_opts_find(qemu_find_opts("memory"), NULL);
+ int slots = qemu_opt_get_number(opts, "slots", 0);
+ int max_avail_slots = s390_get_memslot_count(kvm_state);
+
+ if (slots > max_avail_slots) {
+ slots = max_avail_slots;
+ }
CPU_FOREACH(cpu) {
cpu_count++;
@@ -54,14 +64,235 @@ static void read_SCP_info(SCCB *sccb)
read_info->facilities = cpu_to_be64(SCLP_HAS_CPU_INFO);
- while ((ram_size >> (20 + shift)) > 65535) {
- shift++;
+ /*
+ * The storage increment size is a multiple of 1M and is a power of 2.
+ * The number of storage increments must be MAX_STORAGE_INCREMENTS or fewer.
+ */
+ while ((ram_size >> increment_size) > MAX_STORAGE_INCREMENTS) {
+ increment_size++;
+ }
+ rnmax = ram_size >> increment_size;
+
+ /* Memory Hotplug is only supported for the ccw machine type */
+ if (mhd) {
+ while ((mhd->standby_mem_size >> increment_size) >
+ MAX_STORAGE_INCREMENTS) {
+ increment_size++;
+ }
+ assert(increment_size == mhd->increment_size);
+
+ mhd->standby_subregion_size = MEM_SECTION_SIZE;
+ /* Deduct the memory slot already used for core */
+ if (slots > 0) {
+ while ((mhd->standby_subregion_size * (slots - 1)
+ < mhd->standby_mem_size)) {
+ mhd->standby_subregion_size = mhd->standby_subregion_size << 1;
+ }
+ }
+ /*
+ * Initialize mapping of guest standby memory sections indicating which
+ * are and are not online. Assume all standby memory begins offline.
+ */
+ if (mhd->standby_state_map == 0) {
+ if (mhd->standby_mem_size % mhd->standby_subregion_size) {
+ mhd->standby_state_map = g_malloc0((mhd->standby_mem_size /
+ mhd->standby_subregion_size + 1) *
+ (mhd->standby_subregion_size /
+ MEM_SECTION_SIZE));
+ } else {
+ mhd->standby_state_map = g_malloc0(mhd->standby_mem_size /
+ MEM_SECTION_SIZE);
+ }
+ }
+ mhd->padded_ram_size = ram_size + mhd->pad_size;
+ mhd->rzm = 1 << mhd->increment_size;
+ rnmax = ((ram_size + mhd->standby_mem_size + mhd->pad_size)
+ >> mhd->increment_size);
+
+ read_info->facilities |= cpu_to_be64(SCLP_FC_ASSIGN_ATTACH_READ_STOR);
+ }
+
+ rnsize = 1 << (increment_size - 20);
+ if (rnsize <= 128) {
+ read_info->rnsize = rnsize;
+ } else {
+ read_info->rnsize = 0;
+ read_info->rnsize2 = cpu_to_be32(rnsize);
+ }
+
+ if (rnmax < 0x10000) {
+ read_info->rnmax = cpu_to_be16(rnmax);
+ } else {
+ read_info->rnmax = cpu_to_be16(0);
+ read_info->rnmax2 = cpu_to_be64(rnmax);
}
- read_info->rnmax = cpu_to_be16(ram_size >> (20 + shift));
- read_info->rnsize = 1 << shift;
+
sccb->h.response_code = cpu_to_be16(SCLP_RC_NORMAL_READ_COMPLETION);
}
+static void read_storage_element0_info(SCCB *sccb)
+{
+ int i, assigned;
+ int subincrement_id = SCLP_STARTING_SUBINCREMENT_ID;
+ ReadStorageElementInfo *storage_info = (ReadStorageElementInfo *) sccb;
+ sclpMemoryHotplugDev *mhd = get_sclp_memory_hotplug_dev();
+
+ assert(mhd);
+
+ if ((ram_size >> mhd->increment_size) >= 0x10000) {
+ sccb->h.response_code = cpu_to_be16(SCLP_RC_SCCB_BOUNDARY_VIOLATION);
+ return;
+ }
+
+ /* Return information regarding core memory */
+ storage_info->max_id = cpu_to_be16(mhd->standby_mem_size ? 1 : 0);
+ assigned = ram_size >> mhd->increment_size;
+ storage_info->assigned = cpu_to_be16(assigned);
+
+ for (i = 0; i < assigned; i++) {
+ storage_info->entries[i] = cpu_to_be32(subincrement_id);
+ subincrement_id += SCLP_INCREMENT_UNIT;
+ }
+ sccb->h.response_code = cpu_to_be16(SCLP_RC_NORMAL_READ_COMPLETION);
+}
+
+static void read_storage_element1_info(SCCB *sccb)
+{
+ ReadStorageElementInfo *storage_info = (ReadStorageElementInfo *) sccb;
+ sclpMemoryHotplugDev *mhd = get_sclp_memory_hotplug_dev();
+
+ assert(mhd);
+
+ if ((mhd->standby_mem_size >> mhd->increment_size) >= 0x10000) {
+ sccb->h.response_code = cpu_to_be16(SCLP_RC_SCCB_BOUNDARY_VIOLATION);
+ return;
+ }
+
+ /* Return information regarding standby memory */
+ storage_info->max_id = cpu_to_be16(mhd->standby_mem_size ? 1 : 0);
+ storage_info->assigned = cpu_to_be16(mhd->standby_mem_size >>
+ mhd->increment_size);
+ storage_info->standby = cpu_to_be16(mhd->standby_mem_size >>
+ mhd->increment_size);
+ sccb->h.response_code = cpu_to_be16(SCLP_RC_STANDBY_READ_COMPLETION);
+}
+
+static void attach_storage_element(SCCB *sccb, uint16_t element)
+{
+ int i, assigned, subincrement_id;
+ AttachStorageElement *attach_info = (AttachStorageElement *) sccb;
+ sclpMemoryHotplugDev *mhd = get_sclp_memory_hotplug_dev();
+
+ assert(mhd);
+
+ if (element != 1) {
+ sccb->h.response_code = cpu_to_be16(SCLP_RC_INVALID_SCLP_COMMAND);
+ return;
+ }
+
+ assigned = mhd->standby_mem_size >> mhd->increment_size;
+ attach_info->assigned = cpu_to_be16(assigned);
+ subincrement_id = ((ram_size >> mhd->increment_size) << 16)
+ + SCLP_STARTING_SUBINCREMENT_ID;
+ for (i = 0; i < assigned; i++) {
+ attach_info->entries[i] = cpu_to_be32(subincrement_id);
+ subincrement_id += SCLP_INCREMENT_UNIT;
+ }
+ sccb->h.response_code = cpu_to_be16(SCLP_RC_NORMAL_COMPLETION);
+}
+
+static void assign_storage(SCCB *sccb)
+{
+ MemoryRegion *mr = NULL;
+ uint64_t this_subregion_size;
+ AssignStorage *assign_info = (AssignStorage *) sccb;
+ sclpMemoryHotplugDev *mhd = get_sclp_memory_hotplug_dev();
+ assert(mhd);
+ ram_addr_t assign_addr = (assign_info->rn - 1) * mhd->rzm;
+ MemoryRegion *sysmem = get_system_memory();
+
+ if ((assign_addr % MEM_SECTION_SIZE == 0) &&
+ (assign_addr >= mhd->padded_ram_size)) {
+ /* Re-use existing memory region if found */
+ mr = memory_region_find(sysmem, assign_addr, 1).mr;
+ if (!mr) {
+
+ MemoryRegion *standby_ram = g_new(MemoryRegion, 1);
+
+ /* offset to align to standby_subregion_size for allocation */
+ ram_addr_t offset = assign_addr -
+ (assign_addr - mhd->padded_ram_size)
+ % mhd->standby_subregion_size;
+
+ /* strlen("standby.ram") + 4 (Max of KVM_MEMORY_SLOTS) + NULL */
+ char id[16];
+ snprintf(id, 16, "standby.ram%d",
+ (int)((offset - mhd->padded_ram_size) /
+ mhd->standby_subregion_size) + 1);
+
+ /* Allocate a subregion of the calculated standby_subregion_size */
+ if (offset + mhd->standby_subregion_size >
+ mhd->padded_ram_size + mhd->standby_mem_size) {
+ this_subregion_size = mhd->padded_ram_size +
+ mhd->standby_mem_size - offset;
+ } else {
+ this_subregion_size = mhd->standby_subregion_size;
+ }
+
+ memory_region_init_ram(standby_ram, NULL, id, this_subregion_size);
+ vmstate_register_ram_global(standby_ram);
+ memory_region_add_subregion(sysmem, offset, standby_ram);
+ }
+ /* The specified subregion is no longer in standby */
+ mhd->standby_state_map[(assign_addr - mhd->padded_ram_size)
+ / MEM_SECTION_SIZE] = 1;
+ }
+ sccb->h.response_code = cpu_to_be16(SCLP_RC_NORMAL_COMPLETION);
+}
+
+static void unassign_storage(SCCB *sccb)
+{
+ MemoryRegion *mr = NULL;
+ AssignStorage *assign_info = (AssignStorage *) sccb;
+ sclpMemoryHotplugDev *mhd = get_sclp_memory_hotplug_dev();
+ assert(mhd);
+ ram_addr_t unassign_addr = (assign_info->rn - 1) * mhd->rzm;
+ MemoryRegion *sysmem = get_system_memory();
+
+ /* if the addr is a multiple of 256 MB */
+ if ((unassign_addr % MEM_SECTION_SIZE == 0) &&
+ (unassign_addr >= mhd->padded_ram_size)) {
+ mhd->standby_state_map[(unassign_addr -
+ mhd->padded_ram_size) / MEM_SECTION_SIZE] = 0;
+
+ /* find the specified memory region and destroy it */
+ mr = memory_region_find(sysmem, unassign_addr, 1).mr;
+ if (mr) {
+ int i;
+ int is_removable = 1;
+ ram_addr_t map_offset = (unassign_addr - mhd->padded_ram_size -
+ (unassign_addr - mhd->padded_ram_size)
+ % mhd->standby_subregion_size);
+ /* Mark all affected subregions as 'standby' once again */
+ for (i = 0;
+ i < (mhd->standby_subregion_size / MEM_SECTION_SIZE);
+ i++) {
+
+ if (mhd->standby_state_map[i + map_offset / MEM_SECTION_SIZE]) {
+ is_removable = 0;
+ break;
+ }
+ }
+ if (is_removable) {
+ memory_region_del_subregion(sysmem, mr);
+ object_unparent(OBJECT(mr));
+ g_free(mr);
+ }
+ }
+ }
+ sccb->h.response_code = cpu_to_be16(SCLP_RC_NORMAL_COMPLETION);
+}
+
/* Provide information about the CPU */
static void sclp_read_cpu_info(SCCB *sccb)
{
@@ -103,6 +334,22 @@ static void sclp_execute(SCCB *sccb, uint32_t code)
case SCLP_CMDW_READ_CPU_INFO:
sclp_read_cpu_info(sccb);
break;
+ case SCLP_READ_STORAGE_ELEMENT_INFO:
+ if (code & 0xff00) {
+ read_storage_element1_info(sccb);
+ } else {
+ read_storage_element0_info(sccb);
+ }
+ break;
+ case SCLP_ATTACH_STORAGE_ELEMENT:
+ attach_storage_element(sccb, (code & 0xff00) >> 8);
+ break;
+ case SCLP_ASSIGN_STORAGE:
+ assign_storage(sccb);
+ break;
+ case SCLP_UNASSIGN_STORAGE:
+ unassign_storage(sccb);
+ break;
default:
efc->command_handler(ef, sccb, code);
break;
@@ -183,3 +430,33 @@ void s390_sclp_init(void)
OBJECT(dev), NULL);
qdev_init_nofail(dev);
}
+
+sclpMemoryHotplugDev *init_sclp_memory_hotplug_dev(void)
+{
+ DeviceState *dev;
+ dev = qdev_create(NULL, TYPE_SCLP_MEMORY_HOTPLUG_DEV);
+ object_property_add_child(qdev_get_machine(),
+ TYPE_SCLP_MEMORY_HOTPLUG_DEV,
+ OBJECT(dev), NULL);
+ qdev_init_nofail(dev);
+ return SCLP_MEMORY_HOTPLUG_DEV(object_resolve_path(
+ TYPE_SCLP_MEMORY_HOTPLUG_DEV, NULL));
+}
+
+sclpMemoryHotplugDev *get_sclp_memory_hotplug_dev(void)
+{
+ return SCLP_MEMORY_HOTPLUG_DEV(object_resolve_path(
+ TYPE_SCLP_MEMORY_HOTPLUG_DEV, NULL));
+}
+
+static TypeInfo sclp_memory_hotplug_dev_info = {
+ .name = TYPE_SCLP_MEMORY_HOTPLUG_DEV,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(sclpMemoryHotplugDev),
+};
+
+static void register_types(void)
+{
+ type_register_static(&sclp_memory_hotplug_dev_info);
+}
+type_init(register_types);
diff --git a/include/hw/s390x/sclp.h b/include/hw/s390x/sclp.h
index 7ef16226df..5c435749e1 100644
--- a/include/hw/s390x/sclp.h
+++ b/include/hw/s390x/sclp.h
@@ -37,6 +37,7 @@
#define SCLP_STARTING_SUBINCREMENT_ID 0x10001
#define SCLP_INCREMENT_UNIT 0x10000
#define MAX_AVAIL_SLOTS 32
+#define MAX_STORAGE_INCREMENTS 1020
/* CPU hotplug SCLP codes */
#define SCLP_HAS_CPU_INFO 0x0C00000000000000ULL
@@ -156,6 +157,23 @@ typedef struct SCCB {
char data[SCCB_DATA_LEN];
} QEMU_PACKED SCCB;
+typedef struct sclpMemoryHotplugDev sclpMemoryHotplugDev;
+
+#define TYPE_SCLP_MEMORY_HOTPLUG_DEV "sclp-memory-hotplug-dev"
+#define SCLP_MEMORY_HOTPLUG_DEV(obj) \
+ OBJECT_CHECK(sclpMemoryHotplugDev, (obj), TYPE_SCLP_MEMORY_HOTPLUG_DEV)
+
+struct sclpMemoryHotplugDev {
+ SysBusDevice parent;
+ ram_addr_t standby_mem_size;
+ ram_addr_t padded_ram_size;
+ ram_addr_t pad_size;
+ ram_addr_t standby_subregion_size;
+ ram_addr_t rzm;
+ int increment_size;
+ char *standby_state_map;
+};
+
static inline int sccb_data_len(SCCB *sccb)
{
return be16_to_cpu(sccb->h.length) - sizeof(sccb->h);
@@ -163,6 +181,8 @@ static inline int sccb_data_len(SCCB *sccb)
void s390_sclp_init(void);
+sclpMemoryHotplugDev *init_sclp_memory_hotplug_dev(void);
+sclpMemoryHotplugDev *get_sclp_memory_hotplug_dev(void);
void sclp_service_interrupt(uint32_t sccb);
void raise_irq_cpu_hotplug(void);
diff --git a/pc-bios/s390-ccw.img b/pc-bios/s390-ccw.img
index e3ea0d5664..44873ad181 100644
--- a/pc-bios/s390-ccw.img
+++ b/pc-bios/s390-ccw.img
Binary files differ
diff --git a/pc-bios/s390-ccw/bootmap.c b/pc-bios/s390-ccw/bootmap.c
index f1756796df..115d8bbac6 100644
--- a/pc-bios/s390-ccw/bootmap.c
+++ b/pc-bios/s390-ccw/bootmap.c
@@ -40,11 +40,6 @@ static void jump_to_IPL_2(void)
ResetInfo *current = 0;
void (*ipl)(void) = (void *) (uint64_t) current->ipl_continue;
- debug_print_addr("set IPL addr to", ipl);
-
- /* Ensure the guest output starts fresh */
- sclp_print("\n");
-
*current = save;
ipl(); /* should not return */
}
@@ -64,6 +59,11 @@ static void jump_to_IPL_code(uint64_t address)
current->ipl_addr = (uint32_t) (uint64_t) &jump_to_IPL_2;
current->ipl_continue = address & 0x7fffffff;
+ debug_print_int("set IPL addr to", current->ipl_continue);
+
+ /* Ensure the guest output starts fresh */
+ sclp_print("\n");
+
/*
* HACK ALERT.
* We use the load normal reset to keep r15 unchanged. jump_to_IPL_2
@@ -93,11 +93,23 @@ static inline void verify_boot_info(BootInfo *bip)
"Bad block size in zIPL section of the 1st record.");
}
-static bool eckd_valid_address(BootMapPointer *p)
+static block_number_t eckd_block_num(BootMapPointer *p)
{
+ const uint64_t sectors = virtio_get_sectors();
+ const uint64_t heads = virtio_get_heads();
const uint64_t cylinder = p->eckd.cylinder
+ ((p->eckd.head & 0xfff0) << 12);
const uint64_t head = p->eckd.head & 0x000f;
+ const block_number_t block = sectors * heads * cylinder
+ + sectors * head
+ + p->eckd.sector
+ - 1; /* block nr starts with zero */
+ return block;
+}
+
+static bool eckd_valid_address(BootMapPointer *p)
+{
+ const uint64_t head = p->eckd.head & 0x000f;
if (head >= virtio_get_heads()
|| p->eckd.sector > virtio_get_sectors()
@@ -105,27 +117,14 @@ static bool eckd_valid_address(BootMapPointer *p)
return false;
}
- if (!virtio_guessed_disk_nature() && cylinder >= virtio_get_cylinders()) {
+ if (!virtio_guessed_disk_nature() &&
+ eckd_block_num(p) >= virtio_get_blocks()) {
return false;
}
return true;
}
-static block_number_t eckd_block_num(BootMapPointer *p)
-{
- const uint64_t sectors = virtio_get_sectors();
- const uint64_t heads = virtio_get_heads();
- const uint64_t cylinder = p->eckd.cylinder
- + ((p->eckd.head & 0xfff0) << 12);
- const uint64_t head = p->eckd.head & 0x000f;
- const block_number_t block = sectors * heads * cylinder
- + sectors * head
- + p->eckd.sector
- - 1; /* block nr starts with zero */
- return block;
-}
-
static block_number_t load_eckd_segments(block_number_t blk, uint64_t *address)
{
block_number_t block_nr;
@@ -223,7 +222,6 @@ static void ipl_eckd_cdl(void)
memset(sec, FREE_SPACE_FILLER, sizeof(sec));
read_block(1, ipl2, "Cannot read IPL2 record at block 1");
- IPL_assert(magic_match(ipl2, IPL2_MAGIC), "No IPL2 record");
mbr = &ipl2->u.x.mbr;
IPL_assert(magic_match(mbr, ZIPL_MAGIC), "No zIPL section in IPL2 record.");
@@ -247,12 +245,10 @@ static void ipl_eckd_cdl(void)
/* no return */
}
-static void ipl_eckd_ldl(ECKD_IPL_mode_t mode)
+static void print_eckd_ldl_msg(ECKD_IPL_mode_t mode)
{
LDL_VTOC *vlbl = (void *)sec; /* already read, 3rd block */
char msg[4] = { '?', '.', '\n', '\0' };
- block_number_t block_nr;
- BootInfo *bip;
sclp_print((mode == ECKD_CMS) ? "CMS" : "LDL");
sclp_print(" version ");
@@ -272,12 +268,27 @@ static void ipl_eckd_ldl(ECKD_IPL_mode_t mode)
}
sclp_print(msg);
print_volser(vlbl->volser);
+}
+
+static void ipl_eckd_ldl(ECKD_IPL_mode_t mode)
+{
+ block_number_t block_nr;
+ BootInfo *bip = (void *)(sec + 0x70); /* BootInfo is MBR for LDL */
+
+ if (mode != ECKD_LDL_UNLABELED) {
+ print_eckd_ldl_msg(mode);
+ }
/* DO NOT read BootMap pointer (only one, xECKD) at block #2 */
memset(sec, FREE_SPACE_FILLER, sizeof(sec));
- read_block(0, sec, "Cannot read block 0");
- bip = (void *)(sec + 0x70); /* "boot info" is "eckd mbr" for LDL */
+ read_block(0, sec, "Cannot read block 0 to grab boot info.");
+ if (mode == ECKD_LDL_UNLABELED) {
+ if (!magic_match(bip->magic, ZIPL_MAGIC)) {
+ return; /* not applicable layout */
+ }
+ sclp_print("unlabeled LDL.\n");
+ }
verify_boot_info(bip);
block_nr = eckd_block_num((void *)&(bip->bp.ipl.bm_ptr.eckd.bptr));
@@ -285,17 +296,23 @@ static void ipl_eckd_ldl(ECKD_IPL_mode_t mode)
/* no return */
}
-static void ipl_eckd(ECKD_IPL_mode_t mode)
+static void print_eckd_msg(void)
{
- switch (mode) {
- case ECKD_CDL:
- ipl_eckd_cdl(); /* no return */
- case ECKD_CMS:
- case ECKD_LDL:
- ipl_eckd_ldl(mode); /* no return */
- default:
- virtio_panic("\n! Unknown ECKD IPL mode !\n");
+ char msg[] = "Using ECKD scheme (block size *****), ";
+ char *p = &msg[34], *q = &msg[30];
+ int n = virtio_get_block_size();
+
+ /* Fill in the block size and show up the message */
+ if (n > 0 && n <= 99999) {
+ while (n) {
+ *p-- = '0' + (n % 10);
+ n /= 10;
+ }
+ while (p >= q) {
+ *p-- = ' ';
+ }
}
+ sclp_print(msg);
}
/***********************************************************************
@@ -447,14 +464,13 @@ void zipl_load(void)
}
/* We have failed to follow the SCSI scheme, so */
- sclp_print("Using ECKD scheme.\n");
if (virtio_guessed_disk_nature()) {
sclp_print("Using guessed DASD geometry.\n");
virtio_assume_eckd();
}
-
+ print_eckd_msg();
if (magic_match(mbr->magic, IPL1_MAGIC)) {
- ipl_eckd(ECKD_CDL); /* no return */
+ ipl_eckd_cdl(); /* no return */
}
/* LDL/CMS? */
@@ -462,11 +478,18 @@ void zipl_load(void)
read_block(2, vlbl, "Cannot read block 2");
if (magic_match(vlbl->magic, CMS1_MAGIC)) {
- ipl_eckd(ECKD_CMS); /* no return */
+ ipl_eckd_ldl(ECKD_CMS); /* no return */
}
if (magic_match(vlbl->magic, LNX1_MAGIC)) {
- ipl_eckd(ECKD_LDL); /* no return */
+ ipl_eckd_ldl(ECKD_LDL); /* no return */
}
- virtio_panic("\n* invalid MBR magic *\n");
+ ipl_eckd_ldl(ECKD_LDL_UNLABELED); /* it still may return */
+ /*
+ * Ok, it is not a LDL by any means.
+ * It still might be a CDL with zero record keys for IPL1 and IPL2
+ */
+ ipl_eckd_cdl();
+
+ virtio_panic("\n* this can never happen *\n");
}
diff --git a/pc-bios/s390-ccw/bootmap.h b/pc-bios/s390-ccw/bootmap.h
index 30ef22fe61..6a4823d544 100644
--- a/pc-bios/s390-ccw/bootmap.h
+++ b/pc-bios/s390-ccw/bootmap.h
@@ -257,9 +257,9 @@ typedef struct IplVolumeLabel {
typedef enum {
ECKD_NO_IPL,
- ECKD_CDL,
ECKD_CMS,
ECKD_LDL,
+ ECKD_LDL_UNLABELED,
} ECKD_IPL_mode_t;
/* utility code below */
diff --git a/pc-bios/s390-ccw/virtio.c b/pc-bios/s390-ccw/virtio.c
index 31b23b086c..c0540d1cd4 100644
--- a/pc-bios/s390-ccw/virtio.c
+++ b/pc-bios/s390-ccw/virtio.c
@@ -275,12 +275,14 @@ void virtio_assume_scsi(void)
{
guessed_disk_nature = true;
blk_cfg.blk_size = 512;
+ blk_cfg.physical_block_exp = 0;
}
void virtio_assume_eckd(void)
{
guessed_disk_nature = true;
blk_cfg.blk_size = 4096;
+ blk_cfg.physical_block_exp = 0;
/* this must be here to calculate code segment position */
blk_cfg.geometry.heads = 15;
@@ -290,36 +292,52 @@ void virtio_assume_eckd(void)
bool virtio_disk_is_scsi(void)
{
if (guessed_disk_nature) {
- return (blk_cfg.blk_size == 512);
+ return (virtio_get_block_size() == 512);
}
return (blk_cfg.geometry.heads == 255)
&& (blk_cfg.geometry.sectors == 63)
- && (blk_cfg.blk_size == 512);
+ && (virtio_get_block_size() == 512);
+}
+
+/*
+ * Other supported value pairs, if any, would need to be added here.
+ * Note: head count is always 15.
+ */
+static inline u8 virtio_eckd_sectors_for_block_size(int size)
+{
+ switch (size) {
+ case 512:
+ return 49;
+ case 1024:
+ return 33;
+ case 2048:
+ return 21;
+ case 4096:
+ return 12;
+ }
+ return 0;
}
bool virtio_disk_is_eckd(void)
{
+ const int block_size = virtio_get_block_size();
+
if (guessed_disk_nature) {
- return (blk_cfg.blk_size == 4096);
+ return (block_size == 4096);
}
return (blk_cfg.geometry.heads == 15)
- && (blk_cfg.geometry.sectors == 12)
- && (blk_cfg.blk_size == 4096);
+ && (blk_cfg.geometry.sectors ==
+ virtio_eckd_sectors_for_block_size(block_size));
}
bool virtio_ipl_disk_is_valid(void)
{
- return blk_cfg.blk_size && (virtio_disk_is_scsi() || virtio_disk_is_eckd());
+ return virtio_disk_is_scsi() || virtio_disk_is_eckd();
}
int virtio_get_block_size(void)
{
- return blk_cfg.blk_size;
-}
-
-uint16_t virtio_get_cylinders(void)
-{
- return blk_cfg.geometry.cylinders;
+ return blk_cfg.blk_size << blk_cfg.physical_block_exp;
}
uint8_t virtio_get_heads(void)
@@ -332,6 +350,12 @@ uint8_t virtio_get_sectors(void)
return blk_cfg.geometry.sectors;
}
+uint64_t virtio_get_blocks(void)
+{
+ return blk_cfg.capacity /
+ (virtio_get_block_size() / VIRTIO_SECTOR_SIZE);
+}
+
void virtio_setup_block(struct subchannel_id schid)
{
struct vq_info_block info;
diff --git a/pc-bios/s390-ccw/virtio.h b/pc-bios/s390-ccw/virtio.h
index f1fb1b08fa..c23466b8db 100644
--- a/pc-bios/s390-ccw/virtio.h
+++ b/pc-bios/s390-ccw/virtio.h
@@ -192,9 +192,9 @@ extern bool virtio_disk_is_scsi(void);
extern bool virtio_disk_is_eckd(void);
extern bool virtio_ipl_disk_is_valid(void);
extern int virtio_get_block_size(void);
-extern uint16_t virtio_get_cylinders(void);
extern uint8_t virtio_get_heads(void);
extern uint8_t virtio_get_sectors(void);
+extern uint64_t virtio_get_blocks(void);
extern int virtio_read_many(ulong sector, void *load_addr, int sec_num);
#define VIRTIO_SECTOR_SIZE 512
diff --git a/qemu-options.hx b/qemu-options.hx
index 5479cf54f4..ecd0e34269 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -225,7 +225,8 @@ DEF("m", HAS_ARG, QEMU_OPTION_m,
" size: initial amount of guest memory (default: "
stringify(DEFAULT_RAM_SIZE) "MiB)\n"
" slots: number of hotplug slots (default: none)\n"
- " maxmem: maximum amount of guest memory (default: none)\n",
+ " maxmem: maximum amount of guest memory (default: none)\n"
+ "NOTE: Some architectures might enforce a specific granularity\n",
QEMU_ARCH_ALL)
STEXI
@item -m [size=]@var{megs}
diff --git a/target-s390x/cpu-qom.h b/target-s390x/cpu-qom.h
index f9c96d13a9..80dd74142c 100644
--- a/target-s390x/cpu-qom.h
+++ b/target-s390x/cpu-qom.h
@@ -89,5 +89,6 @@ hwaddr s390_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
hwaddr s390_cpu_get_phys_addr_debug(CPUState *cpu, vaddr addr);
int s390_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
int s390_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
+void s390_cpu_gdb_init(CPUState *cs);
#endif
diff --git a/target-s390x/cpu.c b/target-s390x/cpu.c
index c3082b73c5..97a92168a8 100644
--- a/target-s390x/cpu.c
+++ b/target-s390x/cpu.c
@@ -165,7 +165,7 @@ static void s390_cpu_machine_reset_cb(void *opaque)
{
S390CPU *cpu = opaque;
- cpu_reset(CPU(cpu));
+ run_on_cpu(CPU(cpu), s390_do_cpu_full_reset, CPU(cpu));
}
#endif
@@ -174,8 +174,13 @@ static void s390_cpu_realizefn(DeviceState *dev, Error **errp)
CPUState *cs = CPU(dev);
S390CPUClass *scc = S390_CPU_GET_CLASS(dev);
+ s390_cpu_gdb_init(cs);
qemu_init_vcpu(cs);
+#if !defined(CONFIG_USER_ONLY)
+ run_on_cpu(cs, s390_do_cpu_full_reset, cs);
+#else
cpu_reset(cs);
+#endif
scc->parent_realize(dev, errp);
}
@@ -259,7 +264,8 @@ static void s390_cpu_class_init(ObjectClass *oc, void *data)
cc->write_elf64_qemunote = s390_cpu_write_elf64_qemunote;
#endif
dc->vmsd = &vmstate_s390_cpu;
- cc->gdb_num_core_regs = S390_NUM_REGS;
+ cc->gdb_num_core_regs = S390_NUM_CORE_REGS;
+ cc->gdb_core_xml_file = "s390x-core64.xml";
}
static const TypeInfo s390_cpu_type_info = {
diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h
index b13761d925..62940c398a 100644
--- a/target-s390x/cpu.h
+++ b/target-s390x/cpu.h
@@ -353,6 +353,21 @@ static inline hwaddr decode_basedisp_s(CPUS390XState *env, uint32_t ipb)
/* Base/displacement are at the same locations. */
#define decode_basedisp_rs decode_basedisp_s
+/* helper functions for run_on_cpu() */
+static inline void s390_do_cpu_reset(void *arg)
+{
+ CPUState *cs = arg;
+ S390CPUClass *scc = S390_CPU_GET_CLASS(cs);
+
+ scc->cpu_reset(cs);
+}
+static inline void s390_do_cpu_full_reset(void *arg)
+{
+ CPUState *cs = arg;
+
+ cpu_reset(cs);
+}
+
void s390x_tod_timer(void *opaque);
void s390x_cpu_timer(void *opaque);
@@ -551,44 +566,8 @@ void s390_cpu_list(FILE *f, fprintf_function cpu_fprintf);
#define S390_R13_REGNUM 15
#define S390_R14_REGNUM 16
#define S390_R15_REGNUM 17
-/* Access Registers. */
-#define S390_A0_REGNUM 18
-#define S390_A1_REGNUM 19
-#define S390_A2_REGNUM 20
-#define S390_A3_REGNUM 21
-#define S390_A4_REGNUM 22
-#define S390_A5_REGNUM 23
-#define S390_A6_REGNUM 24
-#define S390_A7_REGNUM 25
-#define S390_A8_REGNUM 26
-#define S390_A9_REGNUM 27
-#define S390_A10_REGNUM 28
-#define S390_A11_REGNUM 29
-#define S390_A12_REGNUM 30
-#define S390_A13_REGNUM 31
-#define S390_A14_REGNUM 32
-#define S390_A15_REGNUM 33
-/* Floating Point Control Word. */
-#define S390_FPC_REGNUM 34
-/* Floating Point Registers. */
-#define S390_F0_REGNUM 35
-#define S390_F1_REGNUM 36
-#define S390_F2_REGNUM 37
-#define S390_F3_REGNUM 38
-#define S390_F4_REGNUM 39
-#define S390_F5_REGNUM 40
-#define S390_F6_REGNUM 41
-#define S390_F7_REGNUM 42
-#define S390_F8_REGNUM 43
-#define S390_F9_REGNUM 44
-#define S390_F10_REGNUM 45
-#define S390_F11_REGNUM 46
-#define S390_F12_REGNUM 47
-#define S390_F13_REGNUM 48
-#define S390_F14_REGNUM 49
-#define S390_F15_REGNUM 50
-/* Total. */
-#define S390_NUM_REGS 51
+/* Total Core Registers. */
+#define S390_NUM_CORE_REGS 18
/* CC optimization */
@@ -1045,6 +1024,10 @@ static inline void cpu_inject_crw_mchk(S390CPU *cpu)
cpu_interrupt(CPU(cpu), CPU_INTERRUPT_HARD);
}
+/* from s390-virtio-ccw */
+#define MEM_SECTION_SIZE 0x10000000UL
+#define MAX_AVAIL_SLOTS 32
+
/* fpu_helper.c */
uint32_t set_cc_nz_f32(float32 v);
uint32_t set_cc_nz_f64(float64 v);
@@ -1067,6 +1050,7 @@ void kvm_s390_enable_css_support(S390CPU *cpu);
int kvm_s390_assign_subch_ioeventfd(EventNotifier *notifier, uint32_t sch,
int vq, bool assign);
int kvm_s390_cpu_restart(S390CPU *cpu);
+int kvm_s390_get_memslot_count(KVMState *s);
void kvm_s390_clear_cmma_callback(void *opaque);
#else
static inline void kvm_s390_io_interrupt(uint16_t subchannel_id,
@@ -1094,6 +1078,10 @@ static inline int kvm_s390_cpu_restart(S390CPU *cpu)
static inline void kvm_s390_clear_cmma_callback(void *opaque)
{
}
+static inline int kvm_s390_get_memslot_count(KVMState *s)
+{
+ return MAX_AVAIL_SLOTS;
+}
#endif
static inline void cmma_reset(S390CPU *cpu)
@@ -1112,6 +1100,15 @@ static inline int s390_cpu_restart(S390CPU *cpu)
return -ENOSYS;
}
+static inline int s390_get_memslot_count(KVMState *s)
+{
+ if (kvm_enabled()) {
+ return kvm_s390_get_memslot_count(s);
+ } else {
+ return MAX_AVAIL_SLOTS;
+ }
+}
+
void s390_io_interrupt(uint16_t subchannel_id, uint16_t subchannel_nr,
uint32_t io_int_parm, uint32_t io_int_word);
void s390_crw_mchk(void);
diff --git a/target-s390x/gdbstub.c b/target-s390x/gdbstub.c
index a129742e2f..8945f0271d 100644
--- a/target-s390x/gdbstub.c
+++ b/target-s390x/gdbstub.c
@@ -31,21 +31,18 @@ int s390_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n)
switch (n) {
case S390_PSWM_REGNUM:
- cc_op = calc_cc(env, env->cc_op, env->cc_src, env->cc_dst, env->cc_vr);
- val = deposit64(env->psw.mask, 44, 2, cc_op);
- return gdb_get_regl(mem_buf, val);
+ if (tcg_enabled()) {
+ cc_op = calc_cc(env, env->cc_op, env->cc_src, env->cc_dst,
+ env->cc_vr);
+ val = deposit64(env->psw.mask, 44, 2, cc_op);
+ return gdb_get_regl(mem_buf, val);
+ }
+ return gdb_get_regl(mem_buf, env->psw.mask);
case S390_PSWA_REGNUM:
return gdb_get_regl(mem_buf, env->psw.addr);
case S390_R0_REGNUM ... S390_R15_REGNUM:
- return gdb_get_regl(mem_buf, env->regs[n-S390_R0_REGNUM]);
- case S390_A0_REGNUM ... S390_A15_REGNUM:
- return gdb_get_reg32(mem_buf, env->aregs[n-S390_A0_REGNUM]);
- case S390_FPC_REGNUM:
- return gdb_get_reg32(mem_buf, env->fpc);
- case S390_F0_REGNUM ... S390_F15_REGNUM:
- return gdb_get_reg64(mem_buf, env->fregs[n-S390_F0_REGNUM].ll);
+ return gdb_get_regl(mem_buf, env->regs[n - S390_R0_REGNUM]);
}
-
return 0;
}
@@ -53,36 +50,94 @@ int s390_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
{
S390CPU *cpu = S390_CPU(cs);
CPUS390XState *env = &cpu->env;
- target_ulong tmpl;
- uint32_t tmp32;
- int r = 8;
- tmpl = ldtul_p(mem_buf);
- tmp32 = ldl_p(mem_buf);
+ target_ulong tmpl = ldtul_p(mem_buf);
switch (n) {
case S390_PSWM_REGNUM:
env->psw.mask = tmpl;
- env->cc_op = extract64(tmpl, 44, 2);
+ if (tcg_enabled()) {
+ env->cc_op = extract64(tmpl, 44, 2);
+ }
break;
case S390_PSWA_REGNUM:
env->psw.addr = tmpl;
break;
case S390_R0_REGNUM ... S390_R15_REGNUM:
- env->regs[n-S390_R0_REGNUM] = tmpl;
+ env->regs[n - S390_R0_REGNUM] = tmpl;
break;
+ default:
+ return 0;
+ }
+ return 8;
+}
+
+/* the values represent the positions in s390-acr.xml */
+#define S390_A0_REGNUM 0
+#define S390_A15_REGNUM 15
+/* total number of registers in s390-acr.xml */
+#define S390_NUM_AC_REGS 16
+
+static int cpu_read_ac_reg(CPUS390XState *env, uint8_t *mem_buf, int n)
+{
+ switch (n) {
case S390_A0_REGNUM ... S390_A15_REGNUM:
- env->aregs[n-S390_A0_REGNUM] = tmp32;
- r = 4;
- break;
+ return gdb_get_reg32(mem_buf, env->aregs[n]);
+ default:
+ return 0;
+ }
+}
+
+static int cpu_write_ac_reg(CPUS390XState *env, uint8_t *mem_buf, int n)
+{
+ switch (n) {
+ case S390_A0_REGNUM ... S390_A15_REGNUM:
+ env->aregs[n] = ldl_p(mem_buf);
+ return 4;
+ default:
+ return 0;
+ }
+}
+
+/* the values represent the positions in s390-fpr.xml */
+#define S390_FPC_REGNUM 0
+#define S390_F0_REGNUM 1
+#define S390_F15_REGNUM 16
+/* total number of registers in s390-fpr.xml */
+#define S390_NUM_FP_REGS 17
+
+static int cpu_read_fp_reg(CPUS390XState *env, uint8_t *mem_buf, int n)
+{
+ switch (n) {
case S390_FPC_REGNUM:
- env->fpc = tmp32;
- r = 4;
- break;
+ return gdb_get_reg32(mem_buf, env->fpc);
case S390_F0_REGNUM ... S390_F15_REGNUM:
- env->fregs[n-S390_F0_REGNUM].ll = tmpl;
- break;
+ return gdb_get_reg64(mem_buf, env->fregs[n - S390_F0_REGNUM].ll);
default:
return 0;
}
- return r;
+}
+
+static int cpu_write_fp_reg(CPUS390XState *env, uint8_t *mem_buf, int n)
+{
+ switch (n) {
+ case S390_FPC_REGNUM:
+ env->fpc = ldl_p(mem_buf);
+ return 4;
+ case S390_F0_REGNUM ... S390_F15_REGNUM:
+ env->fregs[n - S390_F0_REGNUM].ll = ldtul_p(mem_buf);
+ return 8;
+ default:
+ return 0;
+ }
+}
+
+void s390_cpu_gdb_init(CPUState *cs)
+{
+ gdb_register_coprocessor(cs, cpu_read_ac_reg,
+ cpu_write_ac_reg,
+ S390_NUM_AC_REGS, "s390-acr.xml", 0);
+
+ gdb_register_coprocessor(cs, cpu_read_fp_reg,
+ cpu_write_fp_reg,
+ S390_NUM_FP_REGS, "s390-fpr.xml", 0);
}
diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c
index a32d91aa01..a85a480c6a 100644
--- a/target-s390x/kvm.c
+++ b/target-s390x/kvm.c
@@ -916,23 +916,30 @@ static int handle_diag(S390CPU *cpu, struct kvm_run *run, uint32_t ipb)
return r;
}
-static int kvm_s390_cpu_start(S390CPU *cpu)
+static void sigp_cpu_start(void *arg)
{
+ CPUState *cs = arg;
+ S390CPU *cpu = S390_CPU(cs);
+
s390_add_running_cpu(cpu);
- qemu_cpu_kick(CPU(cpu));
DPRINTF("DONE: KVM cpu start: %p\n", &cpu->env);
- return 0;
}
-int kvm_s390_cpu_restart(S390CPU *cpu)
+static void sigp_cpu_restart(void *arg)
{
+ CPUState *cs = arg;
+ S390CPU *cpu = S390_CPU(cs);
struct kvm_s390_irq irq = {
.type = KVM_S390_RESTART,
};
kvm_s390_vcpu_interrupt(cpu, &irq);
s390_add_running_cpu(cpu);
- qemu_cpu_kick(CPU(cpu));
+}
+
+int kvm_s390_cpu_restart(S390CPU *cpu)
+{
+ run_on_cpu(CPU(cpu), sigp_cpu_restart, CPU(cpu));
DPRINTF("DONE: KVM cpu restart: %p\n", &cpu->env);
return 0;
}
@@ -980,10 +987,12 @@ static int handle_sigp(S390CPU *cpu, struct kvm_run *run, uint8_t ipa1)
switch (order_code) {
case SIGP_START:
- cc = kvm_s390_cpu_start(target_cpu);
+ run_on_cpu(CPU(target_cpu), sigp_cpu_start, CPU(target_cpu));
+ cc = 0;
break;
case SIGP_RESTART:
- cc = kvm_s390_cpu_restart(target_cpu);
+ run_on_cpu(CPU(target_cpu), sigp_cpu_restart, CPU(target_cpu));
+ cc = 0;
break;
case SIGP_SET_ARCH:
*statusreg &= 0xffffffff00000000UL;
@@ -1306,3 +1315,8 @@ int kvm_s390_assign_subch_ioeventfd(EventNotifier *notifier, uint32_t sch,
}
return kvm_vm_ioctl(kvm_state, KVM_IOEVENTFD, &kick);
}
+
+int kvm_s390_get_memslot_count(KVMState *s)
+{
+ return kvm_check_extension(s, KVM_CAP_NR_MEMSLOTS);
+}
diff --git a/target-s390x/misc_helper.c b/target-s390x/misc_helper.c
index 0b625826ef..ef9758a96a 100644
--- a/target-s390x/misc_helper.c
+++ b/target-s390x/misc_helper.c
@@ -114,33 +114,16 @@ uint32_t HELPER(servc)(CPUS390XState *env, uint64_t r1, uint64_t r2)
}
#ifndef CONFIG_USER_ONLY
-static void cpu_reset_all(void)
-{
- CPUState *cs;
- S390CPUClass *scc;
-
- CPU_FOREACH(cs) {
- scc = S390_CPU_GET_CLASS(cs);
- scc->cpu_reset(cs);
- }
-}
-
-static void cpu_full_reset_all(void)
-{
- CPUState *cpu;
-
- CPU_FOREACH(cpu) {
- cpu_reset(cpu);
- }
-}
-
static int modified_clear_reset(S390CPU *cpu)
{
S390CPUClass *scc = S390_CPU_GET_CLASS(cpu);
+ CPUState *t;
pause_all_vcpus();
cpu_synchronize_all_states();
- cpu_full_reset_all();
+ CPU_FOREACH(t) {
+ run_on_cpu(t, s390_do_cpu_full_reset, t);
+ }
cmma_reset(cpu);
io_subsystem_reset();
scc->load_normal(CPU(cpu));
@@ -152,10 +135,13 @@ static int modified_clear_reset(S390CPU *cpu)
static int load_normal_reset(S390CPU *cpu)
{
S390CPUClass *scc = S390_CPU_GET_CLASS(cpu);
+ CPUState *t;
pause_all_vcpus();
cpu_synchronize_all_states();
- cpu_reset_all();
+ CPU_FOREACH(t) {
+ run_on_cpu(t, s390_do_cpu_reset, t);
+ }
cmma_reset(cpu);
io_subsystem_reset();
scc->initial_cpu_reset(CPU(cpu));
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-05 01:44:00 +0000