initial rpc implementations

2 files changed, 7 insertions, 1 deletions

diff --git a/arch/riscv64/kernel/proc.c b/arch/riscv64/kernel/proc.c
index 2ccc5bc..3c2ea59 100644
--- a/arch/riscv64/kernel/proc.c
+++ b/arch/riscv64/kernel/proc.c
@@ -56,6 +56,12 @@ void set_thread(struct tcb *t)
 	r->tp = (long)t->thread_storage;
 }
 
+vm_t get_stack(struct tcb *t)
+{
+	struct riscv_regs *r = (struct riscv_regs *)(t) - 1;
+	return r->sp;
+}
+
 void save_regs(struct tcb *t, void *p)
 {
 	struct riscv_regs *r = (struct riscv_regs *)(t) - 1;
diff --git a/arch/riscv64/kernel/vmem.c b/arch/riscv64/kernel/vmem.c
index 8954ee3..d12015c 100644
--- a/arch/riscv64/kernel/vmem.c
+++ b/arch/riscv64/kernel/vmem.c
@@ -316,7 +316,7 @@ vm_t setup_kernel_io(struct vmem *b, vm_t paddr)
 stat_t clone_uvmem(struct vmem *r, struct vmem *b)
 {
 	/** \todo error checking? */
-	for (size_t i = 0; i <= CSTACK_PAGE; ++i)
+	for (size_t i = 0; i < CSTACK_PAGE; ++i)
 		b->leaf[i] = r->leaf[i];
 
 	return OK;