6 files changed, 73 insertions, 6 deletions
diff --git a/include/hw/riscv/sifive_u.h b/include/hw/riscv/sifive_u.h
index a9f7b4a..2656b39 100644
--- a/include/hw/riscv/sifive_u.h
+++ b/include/hw/riscv/sifive_u.h
@@ -26,6 +26,7 @@
 #include "hw/gpio/sifive_gpio.h"
 #include "hw/misc/sifive_u_otp.h"
 #include "hw/misc/sifive_u_prci.h"
+#include "hw/ssi/sifive_spi.h"
 
 #define TYPE_RISCV_U_SOC "riscv.sifive.u.soc"
 #define RISCV_U_SOC(obj) \
@@ -45,6 +46,8 @@ typedef struct SiFiveUSoCState {
     SIFIVEGPIOState gpio;
     SiFiveUOTPState otp;
     SiFivePDMAState dma;
+    SiFiveSPIState spi0;
+    SiFiveSPIState spi2;
     CadenceGEMState gem;
 
     uint32_t serial;
@@ -82,6 +85,8 @@ enum {
     SIFIVE_U_DEV_UART0,
     SIFIVE_U_DEV_UART1,
     SIFIVE_U_DEV_GPIO,
+    SIFIVE_U_DEV_QSPI0,
+    SIFIVE_U_DEV_QSPI2,
     SIFIVE_U_DEV_OTP,
     SIFIVE_U_DEV_DMC,
     SIFIVE_U_DEV_FLASH0,
@@ -96,6 +101,7 @@ enum {
     SIFIVE_U_L2CC_IRQ2 = 3,
     SIFIVE_U_UART0_IRQ = 4,
     SIFIVE_U_UART1_IRQ = 5,
+    SIFIVE_U_QSPI2_IRQ = 6,
     SIFIVE_U_GPIO_IRQ0 = 7,
     SIFIVE_U_GPIO_IRQ1 = 8,
     SIFIVE_U_GPIO_IRQ2 = 9,
@@ -120,7 +126,8 @@ enum {
     SIFIVE_U_PDMA_IRQ5 = 28,
     SIFIVE_U_PDMA_IRQ6 = 29,
     SIFIVE_U_PDMA_IRQ7 = 30,
-    SIFIVE_U_GEM_IRQ = 0x35
+    SIFIVE_U_QSPI0_IRQ = 51,
+    SIFIVE_U_GEM_IRQ = 53
 };
 
 enum {
diff --git a/include/hw/ssi/sifive_spi.h b/include/hw/ssi/sifive_spi.h
new file mode 100644
index 0000000..47d0d6a
--- /dev/null
+++ b/include/hw/ssi/sifive_spi.h
@@ -0,0 +1,47 @@
+/*
+ * QEMU model of the SiFive SPI Controller
+ *
+ * Copyright (c) 2021 Wind River Systems, Inc.
+ *
+ * Author:
+ *   Bin Meng <bin.meng@windriver.com>
+ *
+ * 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_SIFIVE_SPI_H
+#define HW_SIFIVE_SPI_H
+
+#define SIFIVE_SPI_REG_NUM  (0x78 / 4)
+
+#define TYPE_SIFIVE_SPI "sifive.spi"
+#define SIFIVE_SPI(obj) OBJECT_CHECK(SiFiveSPIState, (obj), TYPE_SIFIVE_SPI)
+
+typedef struct SiFiveSPIState {
+    SysBusDevice parent_obj;
+
+    MemoryRegion mmio;
+    qemu_irq irq;
+
+    uint32_t num_cs;
+    qemu_irq *cs_lines;
+
+    SSIBus *spi;
+
+    Fifo8 tx_fifo;
+    Fifo8 rx_fifo;
+
+    uint32_t regs[SIFIVE_SPI_REG_NUM];
+} SiFiveSPIState;
+
+#endif /* HW_SIFIVE_SPI_H */
diff --git a/include/qapi/error.h b/include/qapi/error.h
index eaa05c4..4a9260b 100644
--- a/include/qapi/error.h
+++ b/include/qapi/error.h
@@ -235,7 +235,7 @@
  *    error_propagate_prepend(errp, *errp, ...) by error_prepend(errp, ...)
  *
  * 4. Ensure @errp is valid at return: when you destroy *errp, set
- *    errp = NULL.
+ *    *errp = NULL.
  *
  * Example:
  *
diff --git a/include/ui/console.h b/include/ui/console.h
index d30e972..c960b70 100644
--- a/include/ui/console.h
+++ b/include/ui/console.h
@@ -106,6 +106,7 @@ struct QemuConsoleClass {
 };
 
 #define QEMU_ALLOCATED_FLAG     0x01
+#define QEMU_PLACEHOLDER_FLAG   0x02
 
 typedef struct DisplaySurface {
     pixman_format_code_t format;
@@ -259,8 +260,8 @@ DisplaySurface *qemu_create_displaysurface_from(int width, int height,
                                                 pixman_format_code_t format,
                                                 int linesize, uint8_t *data);
 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image);
-DisplaySurface *qemu_create_message_surface(int w, int h,
-                                            const char *msg);
+DisplaySurface *qemu_create_placeholder_surface(int w, int h,
+                                                const char *msg);
 PixelFormat qemu_default_pixelformat(int bpp);
 
 DisplaySurface *qemu_create_displaysurface(int width, int height);
@@ -281,6 +282,11 @@ static inline int is_buffer_shared(DisplaySurface *surface)
     return !(surface->flags & QEMU_ALLOCATED_FLAG);
 }
 
+static inline int is_placeholder(DisplaySurface *surface)
+{
+    return surface->flags & QEMU_PLACEHOLDER_FLAG;
+}
+
 void register_displaychangelistener(DisplayChangeListener *dcl);
 void update_displaychangelistener(DisplayChangeListener *dcl,
                                   uint64_t interval);
diff --git a/include/ui/egl-helpers.h b/include/ui/egl-helpers.h
index 5b1f7fa..f1bf8f9 100644
--- a/include/ui/egl-helpers.h
+++ b/include/ui/egl-helpers.h
@@ -3,7 +3,9 @@
 
 #include <epoxy/gl.h>
 #include <epoxy/egl.h>
+#ifdef CONFIG_GBM
 #include <gbm.h>
+#endif
 #include "ui/console.h"
 #include "ui/shader.h"
 
@@ -31,7 +33,7 @@ void egl_texture_blit(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool flip);
 void egl_texture_blend(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool flip,
                        int x, int y, double scale_x, double scale_y);
 
-#ifdef CONFIG_OPENGL_DMABUF
+#ifdef CONFIG_GBM
 
 extern int qemu_egl_rn_fd;
 extern struct gbm_device *qemu_egl_rn_gbm_dev;
@@ -48,8 +50,13 @@ void egl_dmabuf_release_texture(QemuDmaBuf *dmabuf);
 
 EGLSurface qemu_egl_init_surface_x11(EGLContext ectx, EGLNativeWindowType win);
 
+#if defined(CONFIG_X11) || defined(CONFIG_GBM)
+
 int qemu_egl_init_dpy_x11(EGLNativeDisplayType dpy, DisplayGLMode mode);
 int qemu_egl_init_dpy_mesa(EGLNativeDisplayType dpy, DisplayGLMode mode);
+
+#endif
+
 EGLContext qemu_egl_init_ctx(void);
 bool qemu_egl_has_dmabuf(void);
 
diff --git a/include/ui/spice-display.h b/include/ui/spice-display.h
index 4a47ffd..ed298d5 100644
--- a/include/ui/spice-display.h
+++ b/include/ui/spice-display.h
@@ -27,7 +27,7 @@
 #include "ui/qemu-pixman.h"
 #include "ui/console.h"
 
-#if defined(CONFIG_OPENGL_DMABUF)
+#if defined(CONFIG_OPENGL) && defined(CONFIG_GBM)
 # if SPICE_SERVER_VERSION >= 0x000d01 /* release 0.13.1 */
 #  define HAVE_SPICE_GL 1
 #  include "ui/egl-helpers.h"