1 files changed, 31 insertions, 0 deletions
diff --git a/src/arch/riscv/Makefile.sbi b/src/arch/riscv/Makefile.sbi
new file mode 100644
index 000000000..5e5dc9a6b
--- /dev/null
+++ b/src/arch/riscv/Makefile.sbi
@@ -0,0 +1,31 @@
+# -*- makefile -*- : Force emacs to use Makefile mode
+
+# Build a position-independent executable, with relocations required
+# only for data values.  Runtime relocations are applied by the
+# prefix code.
+#
+CFLAGS		+= -mcmodel=medany -fpie
+LDFLAGS		+= -pie --no-dynamic-linker -z combreloc
+
+# Place explicitly zero-initialised variables in the .data section
+# rather than in .bss, so that we can rely on their values even during
+# parsing of the system memory map prior to relocation (and therefore
+# prior to explicit zeroing of the .bss section).
+#
+CFLAGS		+= -fno-zero-initialized-in-bss
+
+# Linker script
+#
+LDSCRIPT	= arch/riscv/scripts/sbi.lds
+
+# Media types
+#
+MEDIA		+= sbi
+MEDIA		+= lkrn
+
+# Padded flash device images (e.g. for QEMU's -pflash option)
+#
+NON_AUTO_MEDIA	+= pf32
+%.pf32 : %.sbi $(MAKEDEPS)
+	$(Q)$(CP) $< $@
+	$(Q)$(TRUNCATE) -s 32M $@