allocate the initial stack directly in linker.ld

IMO it's cleaner this way.
I wanted to put it just under 1M, but it turns out that it isn't
accessible at boot in QEMU.

1 files changed, 4 insertions, 0 deletions

diff --git a/linker.ld b/linker.ld
index be2b44f..92db365 100644
--- a/linker.ld
+++ b/linker.ld
@@ -20,6 +20,10 @@ SECTIONS
 	{
 		*(COMMON)
 		*(.bss)
+
+		stack_bottom = .;
+		. += 16K;
+		stack_top    = .;
 	}
 	_kernel_end = (. + 0xFFF) & ~0xFFF; /* aligned to 4K */
 }