From 70f5e06eef154a1eaeb65d3f034c1857771100ff Mon Sep 17 00:00:00 2001
From: Andrew Waterman <andrew@sifive.com>
Date: Mon, 1 May 2017 14:42:08 -0700
Subject: Set ELF entry point correctly

---
 encoding.h | 15 ++++++---------
 p/link.ld  |  1 +
 v/entry.S  |  4 ++--
 3 files changed, 9 insertions(+), 11 deletions(-)

diff --git a/encoding.h b/encoding.h
index 55f8461..1463801 100644
--- a/encoding.h
+++ b/encoding.h
@@ -401,8 +401,6 @@
 #define MASK_URET  0xffffffff
 #define MATCH_SRET 0x10200073
 #define MASK_SRET  0xffffffff
-#define MATCH_HRET 0x20200073
-#define MASK_HRET  0xffffffff
 #define MATCH_MRET 0x30200073
 #define MASK_MRET  0xffffffff
 #define MATCH_DRET 0x7b200073
@@ -521,8 +519,8 @@
 #define MASK_FCVT_L_S  0xfff0007f
 #define MATCH_FCVT_LU_S 0xc0300053
 #define MASK_FCVT_LU_S  0xfff0007f
-#define MATCH_FMV_X_S 0xe0000053
-#define MASK_FMV_X_S  0xfff0707f
+#define MATCH_FMV_X_W 0xe0000053
+#define MASK_FMV_X_W  0xfff0707f
 #define MATCH_FCLASS_S 0xe0001053
 #define MASK_FCLASS_S  0xfff0707f
 #define MATCH_FCVT_W_D 0xc2000053
@@ -557,8 +555,8 @@
 #define MASK_FCVT_S_L  0xfff0007f
 #define MATCH_FCVT_S_LU 0xd0300053
 #define MASK_FCVT_S_LU  0xfff0007f
-#define MATCH_FMV_S_X 0xf0000053
-#define MASK_FMV_S_X  0xfff0707f
+#define MATCH_FMV_W_X 0xf0000053
+#define MASK_FMV_W_X  0xfff0707f
 #define MATCH_FCVT_D_W 0xd2000053
 #define MASK_FCVT_D_W  0xfff0007f
 #define MATCH_FCVT_D_WU 0xd2100053
@@ -1065,7 +1063,6 @@ DECLARE_INSN(ecall, MATCH_ECALL, MASK_ECALL)
 DECLARE_INSN(ebreak, MATCH_EBREAK, MASK_EBREAK)
 DECLARE_INSN(uret, MATCH_URET, MASK_URET)
 DECLARE_INSN(sret, MATCH_SRET, MASK_SRET)
-DECLARE_INSN(hret, MATCH_HRET, MASK_HRET)
 DECLARE_INSN(mret, MATCH_MRET, MASK_MRET)
 DECLARE_INSN(dret, MATCH_DRET, MASK_DRET)
 DECLARE_INSN(sfence_vma, MATCH_SFENCE_VMA, MASK_SFENCE_VMA)
@@ -1125,7 +1122,7 @@ DECLARE_INSN(fcvt_w_s, MATCH_FCVT_W_S, MASK_FCVT_W_S)
 DECLARE_INSN(fcvt_wu_s, MATCH_FCVT_WU_S, MASK_FCVT_WU_S)
 DECLARE_INSN(fcvt_l_s, MATCH_FCVT_L_S, MASK_FCVT_L_S)
 DECLARE_INSN(fcvt_lu_s, MATCH_FCVT_LU_S, MASK_FCVT_LU_S)
-DECLARE_INSN(fmv_x_s, MATCH_FMV_X_S, MASK_FMV_X_S)
+DECLARE_INSN(fmv_x_w, MATCH_FMV_X_W, MASK_FMV_X_W)
 DECLARE_INSN(fclass_s, MATCH_FCLASS_S, MASK_FCLASS_S)
 DECLARE_INSN(fcvt_w_d, MATCH_FCVT_W_D, MASK_FCVT_W_D)
 DECLARE_INSN(fcvt_wu_d, MATCH_FCVT_WU_D, MASK_FCVT_WU_D)
@@ -1143,7 +1140,7 @@ DECLARE_INSN(fcvt_s_w, MATCH_FCVT_S_W, MASK_FCVT_S_W)
 DECLARE_INSN(fcvt_s_wu, MATCH_FCVT_S_WU, MASK_FCVT_S_WU)
 DECLARE_INSN(fcvt_s_l, MATCH_FCVT_S_L, MASK_FCVT_S_L)
 DECLARE_INSN(fcvt_s_lu, MATCH_FCVT_S_LU, MASK_FCVT_S_LU)
-DECLARE_INSN(fmv_s_x, MATCH_FMV_S_X, MASK_FMV_S_X)
+DECLARE_INSN(fmv_w_x, MATCH_FMV_W_X, MASK_FMV_W_X)
 DECLARE_INSN(fcvt_d_w, MATCH_FCVT_D_W, MASK_FCVT_D_W)
 DECLARE_INSN(fcvt_d_wu, MATCH_FCVT_D_WU, MASK_FCVT_D_WU)
 DECLARE_INSN(fcvt_d_l, MATCH_FCVT_D_L, MASK_FCVT_D_L)
diff --git a/p/link.ld b/p/link.ld
index 4070776..998da93 100644
--- a/p/link.ld
+++ b/p/link.ld
@@ -1,4 +1,5 @@
 OUTPUT_ARCH( "riscv" )
+ENTRY(_start)
 
 SECTIONS
 {
diff --git a/v/entry.S b/v/entry.S
index 8234fc3..9719662 100644
--- a/v/entry.S
+++ b/v/entry.S
@@ -13,8 +13,8 @@
 #define STACK_TOP (_end + 4096)
 
   .section ".text.init","ax",@progbits
-
-reset_vector:
+  .globl _start
+_start:
   j handle_reset
 
   /* NMI vector */
-- 
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