return p;
}
+static inline u32 efi64_convert_status(efi_status_t status)
+{
+ return (u32)(status | (u64)status >> 32);
+}
+
#define __efi64_argmap_free_pages(addr, size) \
((addr), 0, (size))
#define __efi64_argmap_locate_device_path(protocol, path, handle) \
((protocol), (path), efi64_zero_upper(handle))
+#define __efi64_argmap_exit(handle, status, size, data) \
+ ((handle), efi64_convert_status(status), (size), (data))
+
/* PCI I/O */
#define __efi64_argmap_get_location(protocol, seg, bus, dev, func) \
((protocol), efi64_zero_upper(seg), efi64_zero_upper(bus), \
}
}
+
+static void __noreturn efi_exit(efi_handle_t handle, efi_status_t status)
+{
+ efi_bs_call(exit, handle, status, 0, NULL);
+ unreachable();
+}
+
void startup_32(struct boot_params *boot_params);
void __noreturn efi_stub_entry(efi_handle_t handle,
/* Check if we were booted by the EFI firmware */
if (sys_table->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE)
- return EFI_INVALID_PARAMETER;
+ efi_exit(handle, EFI_INVALID_PARAMETER);
status = efi_bs_call(handle_protocol, handle, &proto, (void *)&image);
if (status != EFI_SUCCESS) {
efi_printk("Failed to get handle for LOADED_IMAGE_PROTOCOL\n");
- return status;
+ efi_exit(handle, status);
}
hdr = &((struct boot_params *)efi_table_attr(image, image_base))->hdr;
above4g ? ULONG_MAX : UINT_MAX);
if (status != EFI_SUCCESS) {
efi_printk("Failed to allocate lowmem for boot params\n");
- return status;
+ efi_exit(handle, status);
}
memset(boot_params, 0x0, 0x4000);
fail:
efi_free(0x4000, (unsigned long)boot_params);
- return status;
+ efi_exit(handle, status);
}
static void add_e820ext(struct boot_params *params,
/* Check if we were booted by the EFI firmware */
if (sys_table->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE)
- goto fail;
+ efi_exit(handle, EFI_INVALID_PARAMETER);
/*
* If the kernel isn't already loaded at the preferred load
fail:
efi_printk("efi_main() failed!\n");
- for (;;)
- asm("hlt");
+ efi_exit(handle, status);
}