Introduce a symbol which can be used to prevent display modules which need vga support being loaded into system emulators with CONFIG_VGA=n. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 20210430113547.1816178-1-kraxel@redhat.com Message-Id: <20210430113547.1816178-16-kraxel@redhat.com>
32 lines
699 B
C
32 lines
699 B
C
/*
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* QEMU VGA Emulator.
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#ifndef QEMU_HW_DISPLAY_VGA_H
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#define QEMU_HW_DISPLAY_VGA_H
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#include "exec/hwaddr.h"
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/*
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* modules can reference this symbol to avoid being loaded
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* into system emulators without vga support
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*/
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extern bool have_vga;
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enum vga_retrace_method {
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VGA_RETRACE_DUMB,
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VGA_RETRACE_PRECISE
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};
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extern enum vga_retrace_method vga_retrace_method;
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int isa_vga_mm_init(hwaddr vram_base,
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hwaddr ctrl_base, int it_shift,
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MemoryRegion *address_space);
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#endif
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