xref: /openbmc/qemu/include/hw/arm/linux-boot-if.h (revision 520e210c)
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 #define ARM_LINUX_BOOT_IF_CLASS(klass) \
13     OBJECT_CLASS_CHECK(ARMLinuxBootIfClass, (klass), TYPE_ARM_LINUX_BOOT_IF)
14 #define ARM_LINUX_BOOT_IF_GET_CLASS(obj) \
15     OBJECT_GET_CLASS(ARMLinuxBootIfClass, (obj), TYPE_ARM_LINUX_BOOT_IF)
16 #define ARM_LINUX_BOOT_IF(obj) \
17     INTERFACE_CHECK(ARMLinuxBootIf, (obj), TYPE_ARM_LINUX_BOOT_IF)
18 
19 typedef struct ARMLinuxBootIf ARMLinuxBootIf;
20 
21 typedef struct ARMLinuxBootIfClass {
22     /*< private >*/
23     InterfaceClass parent_class;
24 
25     /*< public >*/
26     /** arm_linux_init: configure the device for a direct boot
27      * of an ARM Linux kernel (so that device reset puts it into
28      * the state the kernel expects after firmware initialization,
29      * rather than the true hardware reset state). This callback is
30      * called once after machine construction is complete (before the
31      * first system reset).
32      *
33      * @obj: the object implementing this interface
34      * @secure_boot: true if we are booting Secure, false for NonSecure
35      * (or for a CPU which doesn't support TrustZone)
36      */
37     void (*arm_linux_init)(ARMLinuxBootIf *obj, bool secure_boot);
38 } ARMLinuxBootIfClass;
39 
40 #endif
41