xref: /openbmc/qemu/include/hw/arm/linux-boot-if.h (revision c00506aa)
1 /*
2  * hw/arm/linux-boot-if.h : interface for devices which need to behave
3  * specially for direct boot of an ARM Linux kernel
4  */
5 
6 #ifndef HW_ARM_LINUX_BOOT_IF_H
7 #define HW_ARM_LINUX_BOOT_IF_H
8 
9 #include "qom/object.h"
10 
11 #define TYPE_ARM_LINUX_BOOT_IF "arm-linux-boot-if"
12 typedef struct ARMLinuxBootIfClass ARMLinuxBootIfClass;
13 DECLARE_CLASS_CHECKERS(ARMLinuxBootIfClass, ARM_LINUX_BOOT_IF,
14                        TYPE_ARM_LINUX_BOOT_IF)
15 #define ARM_LINUX_BOOT_IF(obj) \
16     INTERFACE_CHECK(ARMLinuxBootIf, (obj), TYPE_ARM_LINUX_BOOT_IF)
17 
18 typedef struct ARMLinuxBootIf ARMLinuxBootIf;
19 
20 struct ARMLinuxBootIfClass {
21     /*< private >*/
22     InterfaceClass parent_class;
23 
24     /*< public >*/
25     /** arm_linux_init: configure the device for a direct boot
26      * of an ARM Linux kernel (so that device reset puts it into
27      * the state the kernel expects after firmware initialization,
28      * rather than the true hardware reset state). This callback is
29      * called once after machine construction is complete (before the
30      * first system reset).
31      *
32      * @obj: the object implementing this interface
33      * @secure_boot: true if we are booting Secure, false for NonSecure
34      * (or for a CPU which doesn't support TrustZone)
35      */
36     void (*arm_linux_init)(ARMLinuxBootIf *obj, bool secure_boot);
37 };
38 
39 #endif
40