Initial drop

Add some riscv code

Signed-off-by: Carlos Maiolino <[email protected]>

1 files changed, 18 insertions, 0 deletions

diff --git a/riscv/location_counter.s b/riscv/location_counter.s
new file mode 100644
index 0000000..de0fbfe
--- /dev/null
+++ b/riscv/location_counter.s
@@ -0,0 +1,18 @@
+.globl _start
+
+.section .data
+# x:	.word 42	# Use a label to store the retval in the file's mem address space
+.set retval, 88		# Use .set to create a symbol in the object/executable's symbol table
+
+.section .text
+			# with the return value
+_start:
+#	la	t1, x		# If we have the value stored in the .data section, we need to
+				# use 'la' to retrieve the address and
+#	lw	a0, (t1)	# 'lw' to load it into the register
+
+	li	a0, retval	# We have retval defined in the file's symbol table (use nm or readelf)
+				# to display the symbol table.
+
+	li	a7, 93
+	ecall