[riscv] Ensure that prefix_virt is aligned on an xlen boundary

Ensure that the prefix_virt dynamic relocation ends up on a suitably
aligned boundary for a compressed relocation.

Signed-off-by: Michael Brown <mcb30@ipxe.org>

diff --git a/src/arch/riscv/prefix/libprefix.S b/src/arch/riscv/prefix/libprefix.S
index 0143953f790f2ef67c3f852e3e1c76824aabf766..e9caa3945297212180bad9ec008aebb541f1f60a 100644 (file)
--- a/src/arch/riscv/prefix/libprefix.S
+++ b/src/arch/riscv/prefix/libprefix.S
@@ -37,6 +37,7 @@
         * This will be updated if runtime relocations are applied.
         */
        .section ".rodata.prefix_virt", "a", @progbits
+       .balign ( __riscv_xlen / 8 )
 prefix_virt:
        .dword  _prefix
        .size   prefix_virt, . - prefix_virt