X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=deps%2Flightning%2Finclude%2Flightning%2Fjit_riscv.h;h=652e42ec649b38354816b98e397e5de63ec870fc;hb=d75d83f79fd867214fe53d167a13d0ff2bf1e7d0;hp=1b4f93d36983760df825d4cf7754466f36a7fedd;hpb=28d1bea2e828cd079593abc8c97ea6ff4fd7d4f4;p=pcsx_rearmed.git

diff --git a/deps/lightning/include/lightning/jit_riscv.h b/deps/lightning/include/lightning/jit_riscv.h
index 1b4f93d3..652e42ec 100644
--- a/deps/lightning/include/lightning/jit_riscv.h
+++ b/deps/lightning/include/lightning/jit_riscv.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2019  Free Software Foundation, Inc.
+ * Copyright (C) 2019-2023  Free Software Foundation, Inc.
  *
  * This file is part of GNU lightning.
  *
@@ -144,4 +144,24 @@ typedef enum {
 #define JIT_NOREG		_NOREG
 } jit_reg_t;
 
+typedef struct {
+    /* generate special instructions for unaligned load/store? */
+    /*
+     * For best performance, the effective address for all loads and stores
+     * should be naturally aligned for each data type (i.e., on a four-byte
+     * boundary for 32-bit accesses, and a two-byte boundary for 16-bit
+     * accesses). The base ISA supports misaligned accesses, but these might
+     * run extremely slowly depending on the implementation. Furthermore,
+     * naturally aligned loads and stores are guaranteed to execute atomically,
+     * whereas misaligned loads and stores might not, and hence require
+     * additional synchronization to ensure atomicity
+     */
+    jit_uint32_t unaligned	: 1;
+} jit_cpu_t;
+
+/*
+ * Initialization
+ */
+extern jit_cpu_t		jit_cpu;
+
 #endif /* _jit_riscv_h */