1. Patchew
  2. QEMU
  3. [Qemu-devel] [PATCH v3 0/2] ati: fix ati_cursor_define bug.
  4. View patch

[Qemu-devel] [PATCH v3 1/2] vga: move access helpers to separate include file

Gerd Hoffmann posted 2 patches 6 years, 4 months ago
Maintainers: Gerd Hoffmann <kraxel@redhat.com>
[Qemu-devel] [PATCH v3 1/2] vga: move access helpers to separate include file
Posted by Gerd Hoffmann 6 years, 4 months ago 
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 hw/display/vga-access.h  | 49 ++++++++++++++++++++++++++++++++++++++++
 hw/display/vga-helpers.h | 26 ---------------------
 hw/display/vga.c         |  1 +
 3 files changed, 50 insertions(+), 26 deletions(-)
 create mode 100644 hw/display/vga-access.h

diff --git a/hw/display/vga-access.h b/hw/display/vga-access.h
new file mode 100644
index 000000000000..c0fbd9958b2e
--- /dev/null
+++ b/hw/display/vga-access.h
@@ -0,0 +1,49 @@
+/*
+ * QEMU VGA Emulator templates
+ *
+ * Copyright (c) 2003 Fabrice Bellard
+ *
+ * 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.
+ */
+
+static inline uint8_t vga_read_byte(VGACommonState *vga, uint32_t addr)
+{
+    return vga->vram_ptr[addr & vga->vbe_size_mask];
+}
+
+static inline uint16_t vga_read_word_le(VGACommonState *vga, uint32_t addr)
+{
+    uint32_t offset = addr & vga->vbe_size_mask & ~1;
+    uint16_t *ptr = (uint16_t *)(vga->vram_ptr + offset);
+    return lduw_le_p(ptr);
+}
+
+static inline uint16_t vga_read_word_be(VGACommonState *vga, uint32_t addr)
+{
+    uint32_t offset = addr & vga->vbe_size_mask & ~1;
+    uint16_t *ptr = (uint16_t *)(vga->vram_ptr + offset);
+    return lduw_be_p(ptr);
+}
+
+static inline uint32_t vga_read_dword_le(VGACommonState *vga, uint32_t addr)
+{
+    uint32_t offset = addr & vga->vbe_size_mask & ~3;
+    uint32_t *ptr = (uint32_t *)(vga->vram_ptr + offset);
+    return ldl_le_p(ptr);
+}
diff --git a/hw/display/vga-helpers.h b/hw/display/vga-helpers.h
index 5a752b3f9efd..10e9cfd40a04 100644
--- a/hw/display/vga-helpers.h
+++ b/hw/display/vga-helpers.h
@@ -95,32 +95,6 @@ static void vga_draw_glyph9(uint8_t *d, int linesize,
     } while (--h);
 }
 
-static inline uint8_t vga_read_byte(VGACommonState *vga, uint32_t addr)
-{
-    return vga->vram_ptr[addr & vga->vbe_size_mask];
-}
-
-static inline uint16_t vga_read_word_le(VGACommonState *vga, uint32_t addr)
-{
-    uint32_t offset = addr & vga->vbe_size_mask & ~1;
-    uint16_t *ptr = (uint16_t *)(vga->vram_ptr + offset);
-    return lduw_le_p(ptr);
-}
-
-static inline uint16_t vga_read_word_be(VGACommonState *vga, uint32_t addr)
-{
-    uint32_t offset = addr & vga->vbe_size_mask & ~1;
-    uint16_t *ptr = (uint16_t *)(vga->vram_ptr + offset);
-    return lduw_be_p(ptr);
-}
-
-static inline uint32_t vga_read_dword_le(VGACommonState *vga, uint32_t addr)
-{
-    uint32_t offset = addr & vga->vbe_size_mask & ~3;
-    uint32_t *ptr = (uint32_t *)(vga->vram_ptr + offset);
-    return ldl_le_p(ptr);
-}
-
 /*
  * 4 color mode
  */
diff --git a/hw/display/vga.c b/hw/display/vga.c
index 573d223d46f0..82ebe5361096 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -1009,6 +1009,7 @@ void vga_mem_writeb(VGACommonState *s, hwaddr addr, uint32_t val)
 typedef void vga_draw_line_func(VGACommonState *s1, uint8_t *d,
                                 uint32_t srcaddr, int width);
 
+#include "vga-access.h"
 #include "vga-helpers.h"
 
 /* return true if the palette was modified */
-- 
2.18.1
Re: [Qemu-devel] [PATCH v3 1/2] vga: move access helpers to separate include file
Posted by Philippe Mathieu-Daudé 6 years, 4 months ago 
On 9/17/19 1:14 PM, Gerd Hoffmann wrote:
> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
> ---
>  hw/display/vga-access.h  | 49 ++++++++++++++++++++++++++++++++++++++++
>  hw/display/vga-helpers.h | 26 ---------------------
>  hw/display/vga.c         |  1 +
>  3 files changed, 50 insertions(+), 26 deletions(-)
>  create mode 100644 hw/display/vga-access.h
> 
> diff --git a/hw/display/vga-access.h b/hw/display/vga-access.h
> new file mode 100644
> index 000000000000..c0fbd9958b2e
> --- /dev/null
> +++ b/hw/display/vga-access.h
> @@ -0,0 +1,49 @@
> +/*
> + * QEMU VGA Emulator templates
> + *
> + * Copyright (c) 2003 Fabrice Bellard
> + *
> + * 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.
> + */
> +
> +static inline uint8_t vga_read_byte(VGACommonState *vga, uint32_t addr)
> +{
> +    return vga->vram_ptr[addr & vga->vbe_size_mask];
> +}
> +
> +static inline uint16_t vga_read_word_le(VGACommonState *vga, uint32_t addr)
> +{
> +    uint32_t offset = addr & vga->vbe_size_mask & ~1;
> +    uint16_t *ptr = (uint16_t *)(vga->vram_ptr + offset);
> +    return lduw_le_p(ptr);
> +}
> +
> +static inline uint16_t vga_read_word_be(VGACommonState *vga, uint32_t addr)
> +{
> +    uint32_t offset = addr & vga->vbe_size_mask & ~1;
> +    uint16_t *ptr = (uint16_t *)(vga->vram_ptr + offset);
> +    return lduw_be_p(ptr);
> +}
> +
> +static inline uint32_t vga_read_dword_le(VGACommonState *vga, uint32_t addr)
> +{
> +    uint32_t offset = addr & vga->vbe_size_mask & ~3;
> +    uint32_t *ptr = (uint32_t *)(vga->vram_ptr + offset);
> +    return ldl_le_p(ptr);
> +}
> diff --git a/hw/display/vga-helpers.h b/hw/display/vga-helpers.h
> index 5a752b3f9efd..10e9cfd40a04 100644
> --- a/hw/display/vga-helpers.h
> +++ b/hw/display/vga-helpers.h
> @@ -95,32 +95,6 @@ static void vga_draw_glyph9(uint8_t *d, int linesize,
>      } while (--h);
>  }
>  
> -static inline uint8_t vga_read_byte(VGACommonState *vga, uint32_t addr)
> -{
> -    return vga->vram_ptr[addr & vga->vbe_size_mask];
> -}
> -
> -static inline uint16_t vga_read_word_le(VGACommonState *vga, uint32_t addr)
> -{
> -    uint32_t offset = addr & vga->vbe_size_mask & ~1;
> -    uint16_t *ptr = (uint16_t *)(vga->vram_ptr + offset);
> -    return lduw_le_p(ptr);
> -}
> -
> -static inline uint16_t vga_read_word_be(VGACommonState *vga, uint32_t addr)
> -{
> -    uint32_t offset = addr & vga->vbe_size_mask & ~1;
> -    uint16_t *ptr = (uint16_t *)(vga->vram_ptr + offset);
> -    return lduw_be_p(ptr);
> -}
> -
> -static inline uint32_t vga_read_dword_le(VGACommonState *vga, uint32_t addr)
> -{
> -    uint32_t offset = addr & vga->vbe_size_mask & ~3;
> -    uint32_t *ptr = (uint32_t *)(vga->vram_ptr + offset);
> -    return ldl_le_p(ptr);
> -}
> -
>  /*
>   * 4 color mode
>   */
> diff --git a/hw/display/vga.c b/hw/display/vga.c
> index 573d223d46f0..82ebe5361096 100644
> --- a/hw/display/vga.c
> +++ b/hw/display/vga.c
> @@ -1009,6 +1009,7 @@ void vga_mem_writeb(VGACommonState *s, hwaddr addr, uint32_t val)
>  typedef void vga_draw_line_func(VGACommonState *s1, uint8_t *d,
>                                  uint32_t srcaddr, int width);
>  
> +#include "vga-access.h"
>  #include "vga-helpers.h"
>  
>  /* return true if the palette was modified */
> 

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>

Patchew 2.1-devel-b67e4c2

© 2016 - 2026 Red Hat, Inc.