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[Qemu-devel] [4457] Fix compilation on Sparc host, implement ld and st
From: |
Blue Swirl |
Subject: |
[Qemu-devel] [4457] Fix compilation on Sparc host, implement ld and st |
Date: |
Wed, 14 May 2008 19:22:13 +0000 |
Revision: 4457
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4457
Author: blueswir1
Date: 2008-05-14 19:22:05 +0000 (Wed, 14 May 2008)
Log Message:
-----------
Fix compilation on Sparc host, implement ld and st
Modified Paths:
--------------
trunk/cpu-exec.c
trunk/tcg/sparc/tcg-target.c
trunk/tcg/sparc/tcg-target.h
Modified: trunk/cpu-exec.c
===================================================================
--- trunk/cpu-exec.c 2008-05-13 23:51:49 UTC (rev 4456)
+++ trunk/cpu-exec.c 2008-05-14 19:22:05 UTC (rev 4457)
@@ -53,19 +53,14 @@
// Work around ugly bugs in glibc that mangle global register contents
static volatile void *saved_env;
-static volatile unsigned long saved_t0, saved_i7;
#undef SAVE_GLOBALS
#define SAVE_GLOBALS() do { \
saved_env = env; \
- saved_t0 = T0; \
- asm volatile ("st %%i7, [%0]" : : "r" (&saved_i7)); \
} while(0)
#undef RESTORE_GLOBALS
#define RESTORE_GLOBALS() do { \
env = (void *)saved_env; \
- T0 = saved_t0; \
- asm volatile ("ld [%0], %%i7" : : "r" (&saved_i7)); \
} while(0)
static int sparc_setjmp(jmp_buf buf)
Modified: trunk/tcg/sparc/tcg-target.c
===================================================================
--- trunk/tcg/sparc/tcg-target.c 2008-05-13 23:51:49 UTC (rev 4456)
+++ trunk/tcg/sparc/tcg-target.c 2008-05-14 19:22:05 UTC (rev 4457)
@@ -266,13 +266,19 @@
static inline void tcg_out_ld(TCGContext *s, TCGType type, int ret,
int arg1, tcg_target_long arg2)
{
- fprintf(stderr, "unimplemented %s\n", __func__);
+ if (type == TCG_TYPE_I32)
+ tcg_out_ldst(s, ret, arg1, arg2, LDUW);
+ else
+ tcg_out_ldst(s, ret, arg1, arg2, LDX);
}
static inline void tcg_out_st(TCGContext *s, TCGType type, int arg,
int arg1, tcg_target_long arg2)
{
- fprintf(stderr, "unimplemented %s\n", __func__);
+ if (type == TCG_TYPE_I32)
+ tcg_out_ldst(s, arg, arg1, arg2, STW);
+ else
+ tcg_out_ldst(s, arg, arg1, arg2, STX);
}
static inline void tcg_out_arith(TCGContext *s, int rd, int rs1, int rs2,
@@ -312,10 +318,14 @@
tcg_out32(s, SETHI | INSN_RD(TCG_REG_G0) | 0);
}
-static inline void tcg_target_prologue(TCGContext *s)
+/* Generate global QEMU prologue and epilogue code */
+void tcg_target_qemu_prologue(TCGContext *s)
{
tcg_out32(s, SAVE | INSN_RD(TCG_REG_O6) | INSN_RS1(TCG_REG_O6) |
INSN_IMM13(-TCG_TARGET_STACK_MINFRAME));
+ tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_O0) |
+ INSN_RS2(TCG_REG_G0));
+ tcg_out_nop(s);
}
static inline void tcg_out_op(TCGContext *s, int opc, const TCGArg *args,
Modified: trunk/tcg/sparc/tcg-target.h
===================================================================
--- trunk/tcg/sparc/tcg-target.h 2008-05-13 23:51:49 UTC (rev 4456)
+++ trunk/tcg/sparc/tcg-target.h 2008-05-14 19:22:05 UTC (rev 4457)
@@ -84,8 +84,9 @@
/* optional instructions */
//#define TCG_TARGET_HAS_bswap_i32
//#define TCG_TARGET_HAS_bswap_i64
+//#define TCG_TARGET_HAS_neg_i32
+//#define TCG_TARGET_HAS_neg_i64
-#define TCG_TARGET_NEEDS_PROLOGUE 1
/* Note: must be synced with dyngen-exec.h */
#ifdef HOST_SOLARIS
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