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authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2005-01-30 22:39:04 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2005-01-30 22:39:04 +0000
commitaf7bf89b1f525bb684f48ed0e847ad2d2d11c5e5 (patch)
treed82662323af4abbcc79a96d01940ddb39f89fe34 /target-sparc/op.c
parent49be80301540be4445b2dc58d050a063988c85b4 (diff)
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initial sparc64 support - sparc fixes (Blue Swirl)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1251 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-sparc/op.c')
-rw-r--r--target-sparc/op.c167
1 files changed, 84 insertions, 83 deletions
diff --git a/target-sparc/op.c b/target-sparc/op.c
index f8cf2f8..d1d48d2 100644
--- a/target-sparc/op.c
+++ b/target-sparc/op.c
@@ -217,7 +217,7 @@
#define EIP (env->pc)
-#define FLAG_SET(x) (env->psr&x)?1:0
+#define FLAG_SET(x) ((env->psr&x)?1:0)
#define FFLAG_SET(x) ((env->fsr&x)?1:0)
void OPPROTO op_movl_T0_0(void)
@@ -225,11 +225,6 @@ void OPPROTO op_movl_T0_0(void)
T0 = 0;
}
-void OPPROTO op_movl_T0_1(void)
-{
- T0 = 1;
-}
-
void OPPROTO op_movl_T0_im(void)
{
T0 = PARAM1;
@@ -245,40 +240,51 @@ void OPPROTO op_movl_T2_im(void)
T2 = PARAM1;
}
-void OPPROTO op_addl_T1_im(void)
+void OPPROTO op_add_T1_T0(void)
{
- T1 += PARAM1;
+ T0 += T1;
}
-void OPPROTO op_addl_T1_T2(void)
+void OPPROTO op_add_T1_T0_cc(void)
{
- T1 += T2;
-}
+ target_ulong src1;
-void OPPROTO op_subl_T1_T2(void)
-{
- T1 -= T2;
+ src1 = T0;
+ T0 += T1;
+ env->psr = 0;
+ if (!T0)
+ env->psr |= PSR_ZERO;
+ if ((int32_t) T0 < 0)
+ env->psr |= PSR_NEG;
+ if (T0 < src1)
+ env->psr |= PSR_CARRY;
+ if (((src1 ^ T1 ^ -1) & (src1 ^ T0)) & (1 << 31))
+ env->psr |= PSR_OVF;
+ /* V9 xcc */
+ FORCE_RET();
}
-void OPPROTO op_add_T1_T0(void)
+void OPPROTO op_addx_T1_T0(void)
{
- T0 += T1;
+ T0 += T1 + FLAG_SET(PSR_CARRY);
}
-void OPPROTO op_add_T1_T0_cc(void)
+void OPPROTO op_addx_T1_T0_cc(void)
{
- unsigned int src1;
+ target_ulong src1;
+
src1 = T0;
- T0 += T1;
+ T0 += T1 + FLAG_SET(PSR_CARRY);
env->psr = 0;
if (!T0)
env->psr |= PSR_ZERO;
- if ((int) T0 < 0)
+ if ((int32_t) T0 < 0)
env->psr |= PSR_NEG;
if (T0 < src1)
env->psr |= PSR_CARRY;
if (((src1 ^ T1 ^ -1) & (src1 ^ T0)) & (1 << 31))
env->psr |= PSR_OVF;
+ /* V9 xcc */
FORCE_RET();
}
@@ -289,19 +295,44 @@ void OPPROTO op_sub_T1_T0(void)
void OPPROTO op_sub_T1_T0_cc(void)
{
- unsigned int src1;
+ target_ulong src1;
src1 = T0;
T0 -= T1;
env->psr = 0;
if (!T0)
env->psr |= PSR_ZERO;
- if ((int) T0 < 0)
+ if ((int32_t) T0 < 0)
env->psr |= PSR_NEG;
if (src1 < T1)
env->psr |= PSR_CARRY;
if (((src1 ^ T1) & (src1 ^ T0)) & (1 << 31))
env->psr |= PSR_OVF;
+ /* V9 xcc */
+ FORCE_RET();
+}
+
+void OPPROTO op_subx_T1_T0(void)
+{
+ T0 -= T1 + FLAG_SET(PSR_CARRY);
+}
+
+void OPPROTO op_subx_T1_T0_cc(void)
+{
+ target_ulong src1;
+
+ src1 = T0;
+ T0 -= T1 + FLAG_SET(PSR_CARRY);
+ env->psr = 0;
+ if (!T0)
+ env->psr |= PSR_ZERO;
+ if ((int32_t) T0 < 0)
+ env->psr |= PSR_NEG;
+ if (src1 < T1)
+ env->psr |= PSR_CARRY;
+ if (((src1 ^ T1) & (src1 ^ T0)) & (1 << 31))
+ env->psr |= PSR_OVF;
+ /* V9 xcc */
FORCE_RET();
}
@@ -335,15 +366,10 @@ void OPPROTO op_xnor_T1_T0(void)
T0 ^= ~T1;
}
-void OPPROTO op_addx_T1_T0(void)
-{
- T0 += T1 + ((env->psr & PSR_CARRY) ? 1 : 0);
-}
-
void OPPROTO op_umul_T1_T0(void)
{
uint64_t res;
- res = (uint64_t) T0 *(uint64_t) T1;
+ res = (uint64_t) T0 * (uint64_t) T1;
T0 = res & 0xffffffff;
env->y = res >> 32;
}
@@ -358,7 +384,9 @@ void OPPROTO op_smul_T1_T0(void)
void OPPROTO op_mulscc_T1_T0(void)
{
- unsigned int b1, N, V, b2, src1;
+ unsigned int b1, N, V, b2;
+ target_ulong src1;
+
N = FLAG_SET(PSR_NEG);
V = FLAG_SET(PSR_OVF);
b1 = N ^ V;
@@ -372,7 +400,7 @@ void OPPROTO op_mulscc_T1_T0(void)
env->psr = 0;
if (!T0)
env->psr |= PSR_ZERO;
- if ((int) T0 < 0)
+ if ((int32_t) T0 < 0)
env->psr |= PSR_NEG;
if (T0 < src1)
env->psr |= PSR_CARRY;
@@ -405,11 +433,11 @@ void OPPROTO op_sdiv_T1_T0(void)
int64_t x0;
int32_t x1;
- x0 = T0 | ((uint64_t) (env->y) << 32);
+ x0 = T0 | ((int64_t) (env->y) << 32);
x1 = T1;
x0 = x0 / x1;
if ((int32_t) x0 != x0) {
- T0 = x0 >> 63;
+ T0 = x0 < 0? 0x80000000: 0x7fffffff;
T1 = 1;
} else {
T0 = x0;
@@ -423,39 +451,22 @@ void OPPROTO op_div_cc(void)
env->psr = 0;
if (!T0)
env->psr |= PSR_ZERO;
- if ((int) T0 < 0)
+ if ((int32_t) T0 < 0)
env->psr |= PSR_NEG;
if (T1)
env->psr |= PSR_OVF;
+ /* V9 xcc */
FORCE_RET();
}
-void OPPROTO op_subx_T1_T0(void)
-{
- T0 -= T1 + ((env->psr & PSR_CARRY) ? 1 : 0);
-}
-
void OPPROTO op_logic_T0_cc(void)
{
env->psr = 0;
if (!T0)
env->psr |= PSR_ZERO;
- if ((int) T0 < 0)
- env->psr |= PSR_NEG;
- FORCE_RET();
-}
-
-void OPPROTO op_set_flags(void)
-{
- env->psr = 0;
- if (!T0)
- env->psr |= PSR_ZERO;
- if ((unsigned int) T0 < (unsigned int) T1)
- env->psr |= PSR_CARRY;
- if ((int) T0 < (int) T1)
- env->psr |= PSR_OVF;
- if ((int) T0 < 0)
+ if ((int32_t) T0 < 0)
env->psr |= PSR_NEG;
+ /* V9 xcc */
FORCE_RET();
}
@@ -519,12 +530,12 @@ void OPPROTO op_wrwim(void)
void OPPROTO op_rdpsr(void)
{
- T0 = GET_PSR(env);
+ do_rdpsr();
}
void OPPROTO op_wrpsr(void)
{
- PUT_PSR(env,T0);
+ do_wrpsr();
FORCE_RET();
}
@@ -555,7 +566,7 @@ void raise_exception(int tt)
handling ? */
void OPPROTO op_save(void)
{
- int cwp;
+ uint32_t cwp;
cwp = (env->cwp - 1) & (NWINDOWS - 1);
if (env->wim & (1 << cwp)) {
raise_exception(TT_WIN_OVF);
@@ -566,7 +577,7 @@ void OPPROTO op_save(void)
void OPPROTO op_restore(void)
{
- int cwp;
+ uint32_t cwp;
cwp = (env->cwp + 1) & (NWINDOWS - 1);
if (env->wim & (1 << cwp)) {
raise_exception(TT_WIN_UNF);
@@ -626,84 +637,84 @@ void OPPROTO op_exit_tb(void)
void OPPROTO op_eval_be(void)
{
- T2 = (env->psr & PSR_ZERO);
+ T2 = FLAG_SET(PSR_ZERO);
}
void OPPROTO op_eval_ble(void)
{
- unsigned int Z = FLAG_SET(PSR_ZERO), N = FLAG_SET(PSR_NEG), V = FLAG_SET(PSR_OVF);
+ target_ulong Z = FLAG_SET(PSR_ZERO), N = FLAG_SET(PSR_NEG), V = FLAG_SET(PSR_OVF);
T2 = Z | (N ^ V);
}
void OPPROTO op_eval_bl(void)
{
- unsigned int N = FLAG_SET(PSR_NEG), V = FLAG_SET(PSR_OVF);
+ target_ulong N = FLAG_SET(PSR_NEG), V = FLAG_SET(PSR_OVF);
T2 = N ^ V;
}
void OPPROTO op_eval_bleu(void)
{
- unsigned int Z = FLAG_SET(PSR_ZERO), C = FLAG_SET(PSR_CARRY);
+ target_ulong Z = FLAG_SET(PSR_ZERO), C = FLAG_SET(PSR_CARRY);
T2 = C | Z;
}
void OPPROTO op_eval_bcs(void)
{
- T2 = (env->psr & PSR_CARRY);
+ T2 = FLAG_SET(PSR_CARRY);
}
void OPPROTO op_eval_bvs(void)
{
- T2 = (env->psr & PSR_OVF);
+ T2 = FLAG_SET(PSR_OVF);
}
void OPPROTO op_eval_bneg(void)
{
- T2 = (env->psr & PSR_NEG);
+ T2 = FLAG_SET(PSR_NEG);
}
void OPPROTO op_eval_bne(void)
{
- T2 = !(env->psr & PSR_ZERO);
+ T2 = !FLAG_SET(PSR_ZERO);
}
void OPPROTO op_eval_bg(void)
{
- unsigned int Z = FLAG_SET(PSR_ZERO), N = FLAG_SET(PSR_NEG), V = FLAG_SET(PSR_OVF);
+ target_ulong Z = FLAG_SET(PSR_ZERO), N = FLAG_SET(PSR_NEG), V = FLAG_SET(PSR_OVF);
T2 = !(Z | (N ^ V));
}
void OPPROTO op_eval_bge(void)
{
- unsigned int N = FLAG_SET(PSR_NEG), V = FLAG_SET(PSR_OVF);
+ target_ulong N = FLAG_SET(PSR_NEG), V = FLAG_SET(PSR_OVF);
T2 = !(N ^ V);
}
void OPPROTO op_eval_bgu(void)
{
- unsigned int Z = FLAG_SET(PSR_ZERO), C = FLAG_SET(PSR_CARRY);
+ target_ulong Z = FLAG_SET(PSR_ZERO), C = FLAG_SET(PSR_CARRY);
T2 = !(C | Z);
}
void OPPROTO op_eval_bcc(void)
{
- T2 = !(env->psr & PSR_CARRY);
+ T2 = !FLAG_SET(PSR_CARRY);
}
void OPPROTO op_eval_bpos(void)
{
- T2 = !(env->psr & PSR_NEG);
+ T2 = !FLAG_SET(PSR_NEG);
}
void OPPROTO op_eval_bvc(void)
{
- T2 = !(env->psr & PSR_OVF);
+ T2 = !FLAG_SET(PSR_OVF);
}
/* FCC1:FCC0: 0 =, 1 <, 2 >, 3 u */
@@ -792,16 +803,6 @@ void OPPROTO op_eval_fbo(void)
T2 = !(FFLAG_SET(FSR_FCC0) & FFLAG_SET(FSR_FCC1));
}
-void OPPROTO op_movl_T2_0(void)
-{
- T2 = 0;
-}
-
-void OPPROTO op_movl_T2_1(void)
-{
- T2 = 1;
-}
-
void OPPROTO op_jmp_im(void)
{
env->pc = PARAM1;
@@ -845,10 +846,10 @@ void OPPROTO op_branch_a(void)
{
if (T2) {
env->npc = PARAM2; /* XXX: optimize */
- JUMP_TB(op_generic_branch_a, PARAM1, 0, PARAM3);
+ JUMP_TB(op_branch_a, PARAM1, 0, PARAM3);
} else {
env->npc = PARAM3 + 8; /* XXX: optimize */
- JUMP_TB(op_generic_branch_a, PARAM1, 1, PARAM3 + 4);
+ JUMP_TB(op_branch_a, PARAM1, 1, PARAM3 + 4);
}
FORCE_RET();
}