From 2c7d8736af209c7e5840c16a9167ad954774ce4c Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Mon, 7 Jul 2014 09:50:12 +1000 Subject: [PATCH] vga: Make fb endian a common state variable And initialize it based on target endian Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Gerd Hoffmann Reviewed-by: David Gibson --- hw/display/vga.c | 32 +++++++++++++++++++------------- hw/display/vga_int.h | 1 + 2 files changed, 20 insertions(+), 13 deletions(-) diff --git a/hw/display/vga.c b/hw/display/vga.c index 9f60f88610..49a4b8bb8f 100644 --- a/hw/display/vga.c +++ b/hw/display/vga.c @@ -1461,16 +1461,11 @@ static void vga_draw_graphic(VGACommonState *s, int full_update) int disp_width, multi_scan, multi_run; uint8_t *d; uint32_t v, addr1, addr; - vga_draw_line_func *vga_draw_line; -#if defined(TARGET_WORDS_BIGENDIAN) - static const bool big_endian_fb = true; -#else - static const bool big_endian_fb = false; -#endif -#if defined(HOST_WORDS_BIGENDIAN) - static const bool byteswap = !big_endian_fb; + vga_draw_line_func *vga_draw_line = NULL; +#ifdef HOST_WORDS_BIGENDIAN + bool byteswap = !s->big_endian_fb; #else - static const bool byteswap = big_endian_fb; + bool byteswap = s->big_endian_fb; #endif full_update |= update_basic_params(s); @@ -1573,19 +1568,19 @@ static void vga_draw_graphic(VGACommonState *s, int full_update) bits = 8; break; case 15: - v = big_endian_fb ? VGA_DRAW_LINE15_BE : VGA_DRAW_LINE15_LE; + v = s->big_endian_fb ? VGA_DRAW_LINE15_BE : VGA_DRAW_LINE15_LE; bits = 16; break; case 16: - v = big_endian_fb ? VGA_DRAW_LINE16_BE : VGA_DRAW_LINE16_LE; + v = s->big_endian_fb ? VGA_DRAW_LINE16_BE : VGA_DRAW_LINE16_LE; bits = 16; break; case 24: - v = big_endian_fb ? VGA_DRAW_LINE24_BE : VGA_DRAW_LINE24_LE; + v = s->big_endian_fb ? VGA_DRAW_LINE24_BE : VGA_DRAW_LINE24_LE; bits = 24; break; case 32: - v = big_endian_fb ? VGA_DRAW_LINE32_BE : VGA_DRAW_LINE32_LE; + v = s->big_endian_fb ? VGA_DRAW_LINE32_BE : VGA_DRAW_LINE32_LE; bits = 32; break; } @@ -2129,6 +2124,17 @@ void vga_common_init(VGACommonState *s, Object *obj, bool global_vmstate) s->update_retrace_info = vga_precise_update_retrace_info; break; } + + /* + * Set default fb endian based on target, should probably be turned + * into a device attribute set by the machine/platform to remove + * all target endian dependencies from this file. + */ +#ifdef TARGET_WORDS_BIGENDIAN + s->big_endian_fb = true; +#else + s->big_endian_fb = false; +#endif vga_dirty_log_start(s); } diff --git a/hw/display/vga_int.h b/hw/display/vga_int.h index 9073370a84..28d67cf236 100644 --- a/hw/display/vga_int.h +++ b/hw/display/vga_int.h @@ -157,6 +157,7 @@ typedef struct VGACommonState { const GraphicHwOps *hw_ops; bool full_update_text; bool full_update_gfx; + bool big_endian_fb; /* hardware mouse cursor support */ uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32]; void (*cursor_invalidate)(struct VGACommonState *s); -- 2.11.4.GIT