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authorStefan Hajnoczi <stefanha@redhat.com>2025-02-16 20:48:06 -0500
committerStefan Hajnoczi <stefanha@redhat.com>2025-02-16 20:48:06 -0500
commitdb7aa99ef894e88fc5eedf02ca2579b8c344b2ec (patch)
tree2505d5307160c231f06b11dddd61e2dc69eca897 /hw/ssi/xilinx_spi.c
parent9af3d9a931156142199c61518937506bfa5475f1 (diff)
parent5bf24ec9c4d4771a9469cadd19cf534e9a32a9db (diff)
downloadfocaccia-qemu-db7aa99ef894e88fc5eedf02ca2579b8c344b2ec.tar.gz
focaccia-qemu-db7aa99ef894e88fc5eedf02ca2579b8c344b2ec.zip
Merge tag 'hw-misc-20250216' of https://github.com/philmd/qemu into staging
Misc HW patches

- Use qemu_hexdump_line() in TPM backend (Philippe)
- Remove magic number in APIC (Phil)
- Disable thread-level cache topology (Zhao)
- Xen QOM style cleanups (Bernhard)
- Introduce TYPE_DYNAMIC_SYS_BUS_DEVICE (Philippe)
- Invert logic of machine no_sdcard flag (Philippe)
- Housekeeping in MicroBlaze functional tests (Philippe)
- Prevent out-of-bound access in SMC91C111 RX path (Peter)
- Declare more fields / arguments as const (Philippe)
- Introduce EndianMode QAPI enum (Philippe)
- Make various Xilinx devices endianness configurable (Philippe)
- Mark some devices memory regions as little-endian (Philippe)
- Allow execution RX gdbsim machine without BIOS/kernel (Keith)

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# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* tag 'hw-misc-20250216' of https://github.com/philmd/qemu: (39 commits)
  hw/rx: Allow execution without either bios or kernel
  hw/pci-host: Mark versatile regions as little-endian
  hw/mips: Mark Loonson3 Virt machine devices as little-endian
  hw/mips: Mark Boston machine devices as little-endian
  hw/arm: Mark Allwinner Technology devices as little-endian
  hw/ssi/xilinx_spi: Make device endianness configurable
  hw/char/xilinx_uartlite: Make device endianness configurable
  hw/timer/xilinx_timer: Make device endianness configurable
  hw/net/xilinx_ethlite: Make device endianness configurable
  hw/intc/xilinx_intc: Make device endianness configurable
  hw/qdev-properties-system: Introduce EndianMode QAPI enum
  hw: Make class data 'const'
  hw: Declare various const data as 'const'
  tests/functional: Remove sleep() kludges from microblaze tests
  tests/functional: Allow microblaze tests to take a machine name argument
  tests/functional: Explicit endianness of microblaze assets
  hw/net/smc91c111: Ignore attempt to pop from empty RX fifo
  hw/riscv/opentitan: Include missing 'exec/address-spaces.h' header
  hw/boards: Ensure machine setting auto_create_sdcard expose a SD Bus
  hw/riscv: Remove all invalid uses of auto_create_sdcard=true
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'hw/ssi/xilinx_spi.c')
-rw-r--r--hw/ssi/xilinx_spi.c32
1 files changed, 23 insertions, 9 deletions
diff --git a/hw/ssi/xilinx_spi.c b/hw/ssi/xilinx_spi.c
index fd1ff12eb1..be5baa6b35 100644
--- a/hw/ssi/xilinx_spi.c
+++ b/hw/ssi/xilinx_spi.c
@@ -25,6 +25,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qapi/error.h"
 #include "hw/sysbus.h"
 #include "migration/vmstate.h"
 #include "qemu/module.h"
@@ -32,6 +33,7 @@
 
 #include "hw/irq.h"
 #include "hw/qdev-properties.h"
+#include "hw/qdev-properties-system.h"
 #include "hw/ssi/ssi.h"
 #include "qom/object.h"
 
@@ -83,6 +85,7 @@ OBJECT_DECLARE_SIMPLE_TYPE(XilinxSPI, XILINX_SPI)
 struct XilinxSPI {
     SysBusDevice parent_obj;
 
+    EndianMode model_endianness;
     MemoryRegion mmio;
 
     qemu_irq irq;
@@ -313,14 +316,17 @@ done:
     xlx_spi_update_irq(s);
 }
 
-static const MemoryRegionOps spi_ops = {
-    .read = spi_read,
-    .write = spi_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
-    .valid = {
-        .min_access_size = 4,
-        .max_access_size = 4
-    }
+static const MemoryRegionOps spi_ops[2] = {
+    [0 ... 1] = {
+        .read = spi_read,
+        .write = spi_write,
+        .valid = {
+            .min_access_size = 4,
+            .max_access_size = 4,
+        },
+    },
+    [0].endianness = DEVICE_LITTLE_ENDIAN,
+    [1].endianness = DEVICE_BIG_ENDIAN,
 };
 
 static void xilinx_spi_realize(DeviceState *dev, Error **errp)
@@ -329,6 +335,12 @@ static void xilinx_spi_realize(DeviceState *dev, Error **errp)
     XilinxSPI *s = XILINX_SPI(dev);
     int i;
 
+    if (s->model_endianness == ENDIAN_MODE_UNSPECIFIED) {
+        error_setg(errp, TYPE_XILINX_SPI " property 'endianness'"
+                         " must be set to 'big' or 'little'");
+        return;
+    }
+
     DB_PRINT("\n");
 
     s->spi = ssi_create_bus(dev, "spi");
@@ -339,7 +351,8 @@ static void xilinx_spi_realize(DeviceState *dev, Error **errp)
         sysbus_init_irq(sbd, &s->cs_lines[i]);
     }
 
-    memory_region_init_io(&s->mmio, OBJECT(s), &spi_ops, s,
+    memory_region_init_io(&s->mmio, OBJECT(s),
+                          &spi_ops[s->model_endianness == ENDIAN_MODE_BIG], s,
                           "xilinx-spi", R_MAX * 4);
     sysbus_init_mmio(sbd, &s->mmio);
 
@@ -362,6 +375,7 @@ static const VMStateDescription vmstate_xilinx_spi = {
 };
 
 static const Property xilinx_spi_properties[] = {
+    DEFINE_PROP_ENDIAN_NODEFAULT("endianness", XilinxSPI, model_endianness),
     DEFINE_PROP_UINT8("num-ss-bits", XilinxSPI, num_cs, 1),
 };