1 #ifndef _DECODE_HWACHA_H
2 #define _DECODE_HWACHA_H
5 #include "hwacha_xcpt.h"
10 #define WRITE_XRD(value) (xd = value)
12 #define NXPR (h->get_ct_state()->nxpr)
13 #define NFPR (h->get_ct_state()->nfpr)
14 #define MAXVL (h->get_ct_state()->maxvl)
15 #define VL (h->get_ct_state()->vl)
16 #define UTIDX (h->get_ct_state()->count)
17 #define VF_PC (h->get_ct_state()->vf_pc)
18 #define WRITE_NXPR(nxprnext) (h->get_ct_state()->nxpr = (nxprnext))
19 #define WRITE_NFPR(nfprnext) (h->get_ct_state()->nfpr = (nfprnext))
20 #define WRITE_MAXVL(maxvlnext) (h->get_ct_state()->maxvl = (maxvlnext))
21 #define WRITE_VL(vlnext) (h->get_ct_state()->vl = (vlnext))
22 #define WRITE_UTIDX(value) (h->get_ct_state()->count = (value))
23 #define WRITE_VF_PC(pcnext) (h->get_ct_state()->vf_pc = (pcnext))
24 #define WRITE_PREC(precision) (h->get_ct_state()->prec = (precision))
26 #define INSN_RS1 (insn.rs1())
27 #define INSN_RS2 (insn.rs2())
28 #define INSN_RS3 (insn.rs3())
29 #define INSN_RD (insn.rd())
30 #define INSN_SEG (((reg_t)insn.i_imm() >> 9)+1)
32 static inline reg_t
read_xpr(hwacha_t
* h
, insn_t insn
, uint32_t idx
, size_t src
)
34 if (src
>= h
->get_ct_state()->nxpr
)
35 h
->take_exception(HWACHA_CAUSE_TVEC_ILLEGAL_REGID
, uint32_t(insn
.bits()));
36 return (h
->get_ut_state(idx
)->XPR
[src
]);
39 static inline void write_xpr(hwacha_t
* h
, insn_t insn
, uint32_t idx
, size_t dst
, reg_t value
)
41 if (dst
>= h
->get_ct_state()->nxpr
)
42 h
->take_exception(HWACHA_CAUSE_TVEC_ILLEGAL_REGID
, uint32_t(insn
.bits()));
43 h
->get_ut_state(idx
)->XPR
.write(dst
, value
);
46 #define UT_READ_XPR(idx, src) read_xpr(h, insn, idx, src)
47 #define UT_WRITE_XPR(idx, dst, value) write_xpr(h, insn, idx, dst, value)
48 #define UT_RS1(idx) (UT_READ_XPR(idx, INSN_RS1))
49 #define UT_RS2(idx) (UT_READ_XPR(idx, INSN_RS2))
50 #define UT_WRITE_RD(idx, value) (UT_WRITE_XPR(idx, INSN_RD, value))
52 static inline reg_t
read_fpr(hwacha_t
* h
, insn_t insn
, uint32_t idx
, size_t src
)
54 if (src
>= h
->get_ct_state()->nfpr
)
55 h
->take_exception(HWACHA_CAUSE_TVEC_ILLEGAL_REGID
, uint32_t(insn
.bits()));
56 return (h
->get_ut_state(idx
)->FPR
[src
]);
59 static inline void write_fpr(hwacha_t
* h
, insn_t insn
, uint32_t idx
, size_t dst
, reg_t value
)
61 if (dst
>= h
->get_ct_state()->nfpr
)
62 h
->take_exception(HWACHA_CAUSE_TVEC_ILLEGAL_REGID
, uint32_t(insn
.bits()));
63 h
->get_ut_state(idx
)->FPR
.write(dst
, value
);
66 #define UT_READ_FPR(idx, src) read_fpr(h, insn, idx, src)
67 #define UT_WRITE_FPR(idx, dst, value) write_fpr(h, insn, idx, dst, value)
68 #define UT_FRS1(idx) (UT_READ_FPR(idx, INSN_RS1))
69 #define UT_FRS2(idx) (UT_READ_FPR(idx, INSN_RS2))
70 #define UT_FRS3(idx) (UT_READ_FPR(idx, INSN_RS3))
71 #define UT_WRITE_FRD(idx, value) (UT_WRITE_FPR(idx, INSN_RD, value))
73 #define VEC_SEG_LOAD(dst, func, inc) \
74 VEC_SEG_ST_LOAD(dst, func, INSN_SEG*inc, inc)
76 #define VEC_SEG_ST_LOAD(dst, func, stride, inc) \
77 reg_t seg_addr = XS1; \
78 for (uint32_t i=0; i<VL; i++) { \
79 reg_t addr = seg_addr; \
81 for (uint32_t j=0; j<INSN_SEG; j++) { \
82 UT_WRITE_##dst(i, INSN_RD+j, p->get_mmu()->func(addr)); \
87 #define VEC_SEG_STORE(src, func, inc) \
88 VEC_SEG_ST_STORE(src, func, INSN_SEG*inc, inc)
90 #define VEC_SEG_ST_STORE(src, func, stride, inc) \
91 reg_t seg_addr = XS1; \
92 for (uint32_t i=0; i<VL; i++) { \
93 reg_t addr = seg_addr; \
95 for (uint32_t j=0; j<INSN_SEG; j++) { \
96 p->get_mmu()->func(addr, UT_READ_##src(i, INSN_RD+j)); \
101 #define require_supervisor_hwacha \
102 if (unlikely(!(p->get_state()->sr & SR_S))) \
103 h->take_exception(HWACHA_CAUSE_PRIVILEGED_INSTRUCTION, uint32_t(insn.bits()));