Limit program size to simplify RV32

13 years ago · ecb15c6cab
1 changed files with 1 additions and 1 deletions
--- a/pk/vm.c
+++ b/pk/vm.c
@ -357,7 +357,7 @@ void vm_init()
    clearpcr(PCR_SR, SR_VM);

    size_t stack_size = RISCV_PGSIZE * stack_pages;
-    current.stack_top = first_free_page;
+    current.stack_top = MIN(first_free_page, 0x80000000); // for RV32 sanity
    uintptr_t stack_bot = current.stack_top - stack_size;

    if (have_vm)