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21#include "qemu/osdep.h"
22#include "cpu.h"
23#include "exec/exec-all.h"
24#include "qemu-common.h"
25#include "exec/helper-proto.h"
26#include <zlib.h>
27#include "syscall_defs.h"
28
29void helper_exception(CPUTLGState *env, uint32_t excp)
30{
31 CPUState *cs = CPU(tilegx_env_get_cpu(env));
32
33 cs->exception_index = excp;
34 cpu_loop_exit(cs);
35}
36
37void helper_ext01_ics(CPUTLGState *env)
38{
39 uint64_t val = env->spregs[TILEGX_SPR_EX_CONTEXT_0_1];
40
41 switch (val) {
42 case 0:
43 case 1:
44 env->spregs[TILEGX_SPR_CRITICAL_SEC] = val;
45 break;
46 default:
47#if defined(CONFIG_USER_ONLY)
48 env->signo = TARGET_SIGILL;
49 env->sigcode = TARGET_ILL_ILLOPC;
50 helper_exception(env, TILEGX_EXCP_SIGNAL);
51#else
52 helper_exception(env, TILEGX_EXCP_OPCODE_UNIMPLEMENTED);
53#endif
54 break;
55 }
56}
57
58uint64_t helper_cntlz(uint64_t arg)
59{
60 return clz64(arg);
61}
62
63uint64_t helper_cnttz(uint64_t arg)
64{
65 return ctz64(arg);
66}
67
68uint64_t helper_pcnt(uint64_t arg)
69{
70 return ctpop64(arg);
71}
72
73uint64_t helper_revbits(uint64_t arg)
74{
75 return revbit64(arg);
76}
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92
93uint64_t helper_shufflebytes(uint64_t dest, uint64_t srca, uint64_t srcb)
94{
95 uint64_t vdst = 0;
96 int count;
97
98 for (count = 0; count < 64; count += 8) {
99 uint64_t sel = srcb >> count;
100 uint64_t src = (sel & 8) ? srca : dest;
101 vdst |= extract64(src, (sel & 7) * 8, 8) << count;
102 }
103
104 return vdst;
105}
106
107uint64_t helper_crc32_8(uint64_t accum, uint64_t input)
108{
109 uint8_t buf = input;
110
111
112 return crc32(accum ^ 0xffffffff, &buf, 1) ^ 0xffffffff;
113}
114
115uint64_t helper_crc32_32(uint64_t accum, uint64_t input)
116{
117 uint8_t buf[4];
118
119 stl_le_p(buf, input);
120
121
122 return crc32(accum ^ 0xffffffff, buf, 4) ^ 0xffffffff;
123}
124
125uint64_t helper_cmula(uint64_t srcd, uint64_t srca, uint64_t srcb)
126{
127 uint32_t reala = (int16_t)srca;
128 uint32_t imaga = (int16_t)(srca >> 16);
129 uint32_t realb = (int16_t)srcb;
130 uint32_t imagb = (int16_t)(srcb >> 16);
131 uint32_t reald = srcd;
132 uint32_t imagd = srcd >> 32;
133 uint32_t realr = reala * realb - imaga * imagb + reald;
134 uint32_t imagr = reala * imagb + imaga * realb + imagd;
135
136 return deposit64(realr, 32, 32, imagr);
137}
138
139uint64_t helper_cmulaf(uint64_t srcd, uint64_t srca, uint64_t srcb)
140{
141 uint32_t reala = (int16_t)srca;
142 uint32_t imaga = (int16_t)(srca >> 16);
143 uint32_t realb = (int16_t)srcb;
144 uint32_t imagb = (int16_t)(srcb >> 16);
145 uint32_t reald = (int16_t)srcd;
146 uint32_t imagd = (int16_t)(srcd >> 16);
147 int32_t realr = reala * realb - imaga * imagb;
148 int32_t imagr = reala * imagb + imaga * realb;
149
150 return deposit32((realr >> 15) + reald, 16, 16, (imagr >> 15) + imagd);
151}
152
153uint64_t helper_cmul2(uint64_t srca, uint64_t srcb, int shift, int round)
154{
155 uint32_t reala = (int16_t)srca;
156 uint32_t imaga = (int16_t)(srca >> 16);
157 uint32_t realb = (int16_t)srcb;
158 uint32_t imagb = (int16_t)(srcb >> 16);
159 int32_t realr = reala * realb - imaga * imagb + round;
160 int32_t imagr = reala * imagb + imaga * realb + round;
161
162 return deposit32(realr >> shift, 16, 16, imagr >> shift);
163}
164