kernel: drivers: Add DRIVER_DEFER() macro

- Add DRIVER_DEFER() macro to schedule initialization
  for lower priority drivers

- Expose `proc0' to the rest of the kernel

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/sys/arch/aarch64/conf/link.ld b/sys/arch/aarch64/conf/link.ld
index c64cec3..2aa8c93 100644
--- a/sys/arch/aarch64/conf/link.ld
+++ b/sys/arch/aarch64/conf/link.ld
@@ -40,6 +40,12 @@ SECTIONS
         __drivers_init_end = .;
     } :rodata
 
+    .drivers.defer : {
+        __driversd_init_start = .;
+        *(.drivers.defer .drivers.defer)
+        __driversd_init_end = .;
+    } :rodata
+
     /* Move to the next memory page for .data */
     . += CONSTANT(MAXPAGESIZE);