Patchwork [6/8] sparc64: improve ldf and stf insns

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Submitter Igor V. Kovalenko
Date June 1, 2010, 8:12 p.m.
Message ID <20100601201247.5908.75284.stgit@skyserv>
Download mbox | patch
Permalink /patch/54299/
State New
Headers show

Comments

Igor V. Kovalenko - June 1, 2010, 8:12 p.m.
From: Igor V. Kovalenko <igor.v.kovalenko@gmail.com>

- implemented block load/store primary/secondary with user privilege

Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com>
---
 target-sparc/op_helper.c |   28 ++++++++++++++++++++++++++++
 1 files changed, 28 insertions(+), 0 deletions(-)

Patch

diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c
index b9af52b..83067ae 100644
--- a/target-sparc/op_helper.c
+++ b/target-sparc/op_helper.c
@@ -3161,6 +3161,20 @@  void helper_ldf_asi(target_ulong addr, int asi, int size, int rd)
         }
 
         return;
+    case 0x70: // Block load primary, user privilege
+    case 0x71: // Block load secondary, user privilege
+        if (rd & 7) {
+            raise_exception(TT_ILL_INSN);
+            return;
+        }
+        helper_check_align(addr, 0x3f);
+        for (i = 0; i < 16; i++) {
+            *(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x1f, 4,
+                                                         0);
+            addr += 4;
+        }
+
+        return;
     default:
         break;
     }
@@ -3211,6 +3225,20 @@  void helper_stf_asi(target_ulong addr, int asi, int size, int rd)
         }
 
         return;
+    case 0x70: // Block store primary, user privilege
+    case 0x71: // Block store secondary, user privilege
+        if (rd & 7) {
+            raise_exception(TT_ILL_INSN);
+            return;
+        }
+        helper_check_align(addr, 0x3f);
+        for (i = 0; i < 16; i++) {
+            val = *(uint32_t *)&env->fpr[rd++];
+            helper_st_asi(addr, val, asi & 0x1f, 4);
+            addr += 4;
+        }
+
+        return;
     default:
         break;
     }