[libre-riscv-dev] Updating the build script to run from any directory

[Daniel Benusovich]

Tested and works like a charm from any direction. Below is the patch.

>From 4f69436ab8a1e3c1f982d9c10597791dc704a7e9 Mon Sep 17 00:00:00 2001
From: Daniel Benusovich <flyingmonkeys1996 at gmail.com>
Date: Sat, 27 Oct 2018 13:50:38 -0700
Subject: [PATCH] Updating python files and riscv for calling from any
 directory.

---
 id_regs.py        | 3 ++-
 riscv/riscv.mk.in | 4 ++--
 sv_proc_gen.py    | 7 +++++--
 3 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/id_regs.py b/id_regs.py
index ccb4f38..d8b587a 100644
--- a/id_regs.py
+++ b/id_regs.py
@@ -21,7 +21,8 @@
 import os
 import sys

-insns_dir = "./riscv/insns"
+dir_path = os.path.dirname(os.path.realpath(__file__))
+insns_dir = os.path.join(dir_path, 'riscv', 'insns')
 def list_insns():
     if len(sys.argv) == 2:
         fullfname = sys.argv[1]
diff --git a/riscv/riscv.mk.in b/riscv/riscv.mk.in
index 9226eff..6916d07 100644
--- a/riscv/riscv.mk.in
+++ b/riscv/riscv.mk.in
@@ -310,11 +310,11 @@ insn_list.h: $(src_dir)/riscv/riscv.mk.in
         printf 'DEFINE_INSN(%s)\n' "$${insn}" ; \
     done > $@.tmp
     mv $@.tmp $@
-    python sv_proc_gen.py
+    python $(src_dir)/sv_proc_gen.py

 $(riscv_gen_srcs): %.cc: insns/%.h insn_template.cc
     sed 's/NAME/$(subst .cc,,$@)/' $(src_dir)/riscv/insn_template.cc | sed
's/OPCODE/$(call get_opcode,$(src_dir)/riscv/encoding.h,$(subst .cc,,$@))/'
> $@
-    python id_regs.py $(src_dir)/riscv/insns/$(subst .cc,,$@).h
+    python $(src_dir)/id_regs.py $(src_dir)/riscv/insns/$(subst .cc,,$@).h

 riscv_junk = \
     $(riscv_gen_srcs) \
diff --git a/sv_proc_gen.py b/sv_proc_gen.py
index 13eddaf..07d3dac 100644
--- a/sv_proc_gen.py
+++ b/sv_proc_gen.py
@@ -21,7 +21,10 @@
 import os
 import sys

-insns_dir = "./riscv/insns"
+dir_path = os.path.dirname(os.path.realpath(__file__))
+riscv_dir = os.path.join(dir_path, "riscv")
+insns_dir = os.path.join(dir_path, "riscv", "insns")
+print(os.getcwd())
 def list_insns():
     if len(sys.argv) == 2:
         fullfname = sys.argv[1]
@@ -46,7 +49,7 @@ sv_hdr_template = """\

 if __name__ == '__main__':
     files = list_insns()
-    with open("riscv/sv_insn_decl.h", "w") as f:
+    with open(os.path.join(riscv_dir, "sv_insn_decl.h"), "w") as f:
         for (fname, insn) in files:
             f.write(sv_hdr_template.format(insn))

-- 
2.17.1