Merge remote-tracking branch 'remotes/philmd-gitlab/tags/sparc-next-20200609' into staging

SPARC patches

HW:
- Use UNIMP device instead of EMPTY_SLOT
- Make EMPTY_SLOT similar to UNIMP device
- Map UART devices unconditionally
- Pair of fixes for AHB PnP
- Add trace events to AHB PnP

TCG:
- Improve exception logging

CI:
- https://gitlab.com/philmd/qemu/-/pipelines/154231191
- https://travis-ci.org/github/philmd/qemu/builds/696321130

# gpg: Signature made Tue 09 Jun 2020 08:24:09 BST
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* remotes/philmd-gitlab/tags/sparc-next-20200609:
  target/sparc/int32_helper: Extract and use excp_name_str()
  target/sparc/int32_helper: Remove DEBUG_PCALL definition
  hw/timer/grlib_gptimer: Display frequency in decimal
  hw/misc/grlib_ahb_apb_pnp: Add trace events on read accesses
  hw/misc/grlib_ahb_apb_pnp: Fix AHB PnP 8-bit accesses
  hw/misc/grlib_ahb_apb_pnp: Avoid crash when writing to AHB PnP registers
  hw/sparc64/niagara: Remove duplicated NIAGARA_UART_BASE definition
  hw/sparc64/niagara: Map the UART device unconditionally
  hw/sparc/leon3: Map the UART device unconditionally
  hw/misc/empty_slot: Name the slots when created
  hw/misc/empty_slot: Move the 'hw/misc' and cover in MAINTAINERS
  hw/misc/empty_slot: Convert debug printf() to trace event
  hw/misc/empty_slot: Add a 'name' qdev property
  hw/misc/empty_slot: Convert 'size' field as qdev property
  hw/misc/empty_slot: Lower address space priority
  hw/sparc/sun4m: Use UnimplementedDevice for I/O devices

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

2 files changed, 0 insertions, 103 deletions

diff --git a/hw/core/Makefile.objs b/hw/core/Makefile.objs
index 1d540ed6e7..d8fee8effe 100644
--- a/hw/core/Makefile.objs
+++ b/hw/core/Makefile.objs
@@ -24,7 +24,6 @@ common-obj-$(CONFIG_SOFTMMU) += numa.o
 common-obj-$(CONFIG_SOFTMMU) += clock-vmstate.o
 obj-$(CONFIG_SOFTMMU) += machine-qmp-cmds.o
 
-common-obj-$(CONFIG_EMPTY_SLOT) += empty_slot.o
 common-obj-$(CONFIG_XILINX_AXI) += stream.o
 common-obj-$(CONFIG_PTIMER) += ptimer.o
 common-obj-$(CONFIG_FITLOADER) += loader-fit.o
diff --git a/hw/core/empty_slot.c b/hw/core/empty_slot.c
deleted file mode 100644
index 3ba450e1ca..0000000000
--- a/hw/core/empty_slot.c
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * QEMU Empty Slot
- *
- * The empty_slot device emulates known to a bus but not connected devices.
- *
- * Copyright (c) 2010 Artyom Tarasenko
- *
- * This code is licensed under the GNU GPL v2 or (at your option) any later
- * version.
- */
-
-#include "qemu/osdep.h"
-#include "hw/sysbus.h"
-#include "qemu/module.h"
-#include "hw/empty_slot.h"
-
-//#define DEBUG_EMPTY_SLOT
-
-#ifdef DEBUG_EMPTY_SLOT
-#define DPRINTF(fmt, ...)                                       \
-    do { printf("empty_slot: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define DPRINTF(fmt, ...) do {} while (0)
-#endif
-
-#define TYPE_EMPTY_SLOT "empty_slot"
-#define EMPTY_SLOT(obj) OBJECT_CHECK(EmptySlot, (obj), TYPE_EMPTY_SLOT)
-
-typedef struct EmptySlot {
-    SysBusDevice parent_obj;
-
-    MemoryRegion iomem;
-    uint64_t size;
-} EmptySlot;
-
-static uint64_t empty_slot_read(void *opaque, hwaddr addr,
-                                unsigned size)
-{
-    DPRINTF("read from " TARGET_FMT_plx "\n", addr);
-    return 0;
-}
-
-static void empty_slot_write(void *opaque, hwaddr addr,
-                             uint64_t val, unsigned size)
-{
-    DPRINTF("write 0x%x to " TARGET_FMT_plx "\n", (unsigned)val, addr);
-}
-
-static const MemoryRegionOps empty_slot_ops = {
-    .read = empty_slot_read,
-    .write = empty_slot_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-void empty_slot_init(hwaddr addr, uint64_t slot_size)
-{
-    if (slot_size > 0) {
-        /* Only empty slots larger than 0 byte need handling. */
-        DeviceState *dev;
-        SysBusDevice *s;
-        EmptySlot *e;
-
-        dev = qdev_create(NULL, TYPE_EMPTY_SLOT);
-        s = SYS_BUS_DEVICE(dev);
-        e = EMPTY_SLOT(dev);
-        e->size = slot_size;
-
-        qdev_init_nofail(dev);
-
-        sysbus_mmio_map(s, 0, addr);
-    }
-}
-
-static void empty_slot_realize(DeviceState *dev, Error **errp)
-{
-    EmptySlot *s = EMPTY_SLOT(dev);
-
-    memory_region_init_io(&s->iomem, OBJECT(s), &empty_slot_ops, s,
-                          "empty-slot", s->size);
-    sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->iomem);
-}
-
-static void empty_slot_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-
-    dc->realize = empty_slot_realize;
-}
-
-static const TypeInfo empty_slot_info = {
-    .name          = TYPE_EMPTY_SLOT,
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(EmptySlot),
-    .class_init    = empty_slot_class_init,
-};
-
-static void empty_slot_register_types(void)
-{
-    type_register_static(&empty_slot_info);
-}
-
-type_init(empty_slot_register_types)