Pass the pagetable used from locore.S to initarm to allow it to map data

in as required.

1 files changed, 6 insertions, 0 deletions

diff --git a/sys/arm/include/cpu.h b/sys/arm/include/cpu.h
index 88dbcdb..c6f7088 100644
--- a/sys/arm/include/cpu.h
+++ b/sys/arm/include/cpu.h
@@ -35,6 +35,11 @@ get_cyclecount(void)
 
 extern vm_offset_t vector_page;
 
+/*
+ * Params passed into initarm. If you change the size of this you will
+ * need to update locore.S to allocate more memory on the stack before
+ * it calls initarm.
+ */
 struct arm_boot_params {
 	register_t	abp_size;	/* Size of this structure */
 	register_t	abp_r0;		/* r0 from the boot loader */
@@ -42,6 +47,7 @@ struct arm_boot_params {
 	register_t	abp_r2;		/* r2 from the boot loader */
 	register_t	abp_r3;		/* r3 from the boot loader */
 	vm_offset_t	abp_physaddr;	/* The kernel physical address */
+	vm_offset_t	abp_pagetable;	/* The early page table */
 };
 
 void	arm_vector_init(vm_offset_t, int);