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Diffstat (limited to 'include/pci_rom.h')
-rw-r--r--include/pci_rom.h16
1 files changed, 13 insertions, 3 deletions
diff --git a/include/pci_rom.h b/include/pci_rom.h
index 8b2674c..2f1665d 100644
--- a/include/pci_rom.h
+++ b/include/pci_rom.h
@@ -8,7 +8,6 @@
#define _PCI_ROM_H
#define PCI_ROM_HDR 0xaa55
-#define PCI_VGA_RAM_IMAGE_START 0xc0000
struct pci_rom_header {
uint16_t signature;
@@ -34,14 +33,25 @@ struct pci_rom_data {
uint16_t reserved_2;
};
+/*
+ * Determines which execution method is used and whether we allow falling back
+ * to the other if the requested method is not available.
+ */
+enum pci_rom_emul {
+ PCI_ROM_EMULATE = 0 << 0,
+ PCI_ROM_USE_NATIVE = 1 << 0,
+ PCI_ROM_ALLOW_FALLBACK = 1 << 1,
+};
+
/**
* pci_run_vga_bios() - Run the VGA BIOS in an x86 PC
*
* @dev: Video device containing the BIOS
* @int15_handler: Function to call to handle int 0x15
- * @emulate: true to use the x86 emulator, false to run native
+ * @exec_method: flags from enum pci_rom_emul
*/
-int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), bool emulate);
+int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void),
+ int exec_method);
/**
* board_map_oprom_vendev() - map several PCI IDs to the one the ROM expects