Commit | Line | Data |
---|---|---|
800eeca4 JW |
1 | print ".text\n"; |
2 | print "\t.type _start,@","function\n"; | |
3 | print "_start:\n\n"; | |
4 | ||
5 | print "// Fixed and stacked integer registers.\n"; | |
6 | for ($i = 1; $i < 128; ++$i) { | |
7 | print "\t{ .mii; mov r$i = r0; nop.i 0; nop.i 0;; }\n"; | |
8 | } | |
9 | print "\n"; | |
10 | ||
11 | print "// Alternate names for input registers\n"; | |
12 | print "\t.regstk 96, 0, 0, 0\n"; | |
13 | for ($i = 0; $i < 96; ++$i) { | |
14 | print "\t{ .mii; mov in$i = r0; nop.i 0; nop.i 0;; }\n"; | |
15 | } | |
16 | print "\n"; | |
17 | ||
18 | print "// Alternate names for output registers\n"; | |
19 | print "\t.regstk 0, 0, 96, 0\n"; | |
20 | for ($i = 0; $i < 96; ++$i) { | |
21 | print "\t{ .mii; mov out$i = r0; nop.i 0; nop.i 0;; }\n"; | |
22 | } | |
23 | print "\n"; | |
24 | ||
25 | print "// Alternate names for local registers\n"; | |
26 | print "\t.regstk 0, 96, 0, 0\n"; | |
27 | for ($i = 0; $i < 96; ++$i) { | |
28 | print "\t{ .mii; mov loc$i = r0; nop.i 0; nop.i 0;; }\n"; | |
29 | } | |
30 | print "\n"; | |
31 | ||
32 | print "// Return value registers\n"; | |
33 | for ($i = 0; $i < 4; ++$i) { | |
34 | print "\t{ .mii; mov ret$i = r0; nop.i 0; nop.i 0;; }\n"; | |
35 | } | |
36 | print "\n"; | |
37 | ||
38 | print "\t{ .mii;\n"; | |
39 | print "\tmov gp = r0\n"; | |
40 | print "\tmov sp = r0\n"; | |
5e0bd176 | 41 | print "\tmov tp = r0;; }\n\n"; |
800eeca4 JW |
42 | |
43 | print "// Floating point registers\n"; | |
44 | for ($i = 2; $i < 128; ++$i) { | |
45 | print "\t{ .mfi; mov f$i = f0 ;; }\n"; | |
46 | } | |
47 | print "\n"; | |
48 | ||
49 | print "// Floating point argument registers\n"; | |
50 | for ($i = 0; $i < 8; ++$i) { | |
51 | print "\t{ .mfi; mov farg$i = f1 ;; }\n"; | |
52 | } | |
53 | print "\n"; | |
54 | ||
55 | print "// Floating point return value registers\n"; | |
56 | for ($i = 0; $i < 8; ++$i) { | |
57 | print "\t{ .mfi; mov fret$i = f1 ;; }\n"; | |
58 | } | |
59 | print "\n"; | |
60 | ||
61 | print "// Predicate registers\n"; | |
62 | for ($i = 0; $i < 64; ++$i) { | |
63 | print "\t{ .mii; (p$i)\tmov r", $i+1, " = r0; nop.i 0; nop.i 0;; }\n"; | |
64 | } | |
65 | print "\n"; | |
66 | ||
67 | print "// Predicates as a unit\n"; | |
68 | print "\t{ .mmi; nop.m 0; mov r1 = pr ;; }\n"; | |
69 | print "//\tmov r2 = pr.rot\n"; | |
70 | print "\n"; | |
71 | ||
72 | print "// Branch registers.\n"; | |
73 | for ($i = 0; $i < 8; ++$i) { | |
74 | print "\t{ .mmi; mov b$i = r0;; }\n"; | |
75 | } | |
76 | print "\n"; | |
77 | ||
78 | print "\t{ .mmi; mov rp = r0;; }\n"; | |
79 | print "\n"; | |
80 | ||
81 | print "// Application registers\n"; | |
82 | @reserved = ( 8..15, 20, 22..23, 31, 33..35, 37..39, 41..47, 67..111 ); | |
83 | %reserved = (); | |
84 | foreach $i (@reserved) { | |
85 | $reserved{$i} = 1; | |
86 | } | |
87 | for ($i = 0; $i < 128; ++$i) { | |
88 | print "//" if $reserved{$i}; | |
89 | print "\t{ .mmi; nop.m 0; mov r1 = ar$i ;; }"; | |
90 | print "\t\t// reserved" if $reserved{$i}; | |
91 | print "\n"; | |
92 | } | |
93 | print "\n"; | |
94 | ||
95 | print "// Application registers by name\n"; | |
96 | for ($i = 0; $i < 8; ++$i) { | |
97 | print "\t{ .mmi; nop.m 0; mov r1 = ar.k$i ;;}\n"; | |
98 | } | |
99 | ||
100 | @regs = ( "rsc", "bsp", "bspstore", "rnat", "ccv", "unat", "fpsr", "itc", | |
101 | "pfs", "lc", "ec" ); | |
102 | foreach $i (@regs) { | |
103 | print "\t{ .mmi; nop.m 0; mov r1 = ar.$i ;; }\n"; | |
104 | } | |
105 | print "\n"; | |
106 | ||
107 | print "// Control registers\n"; | |
108 | @reserved = ( 3..7, 10..15, 18, 26..63, 75..79, 82..127 ); | |
109 | %reserved = (); | |
110 | foreach $i (@reserved) { | |
111 | $reserved{$i} = 1; | |
112 | } | |
113 | for ($i = 0; $i < 128; ++$i) { | |
114 | print "//" if $reserved{$i}; | |
115 | print "\t{ .mfb; mov r1 = cr$i ;; }"; | |
116 | print "\t\t// reserved" if $reserved{$i}; | |
117 | print "\n"; | |
118 | } | |
119 | print "\n"; | |
120 | ||
121 | print "// Control registers by name\n"; | |
122 | @regs = ( "dcr", "itm", "iva", "pta", "ipsr", "isr", "iip", | |
123 | "iipa", "ifs", "iim", "iha", "lid", "ivr", | |
124 | "tpr", "eoi", "irr0", "irr1", "irr2", "irr3", "itv", "pmv", | |
125 | "lrr0", "lrr1", "cmcv" ); | |
126 | # ias doesn't accept these, despite documentation to the contrary. | |
127 | # push @regs, "ida", "idtr", "iitr" | |
128 | foreach $i (@regs) { | |
129 | print "\t{ .mfb; mov r1 = cr.$i ;; }\n"; | |
130 | } | |
131 | print "\n"; | |
132 | ||
133 | ||
134 | print "// Other registers\n"; | |
135 | print "\t{ .mfb; mov r1 = psr ;; }\n"; | |
136 | print "//\t{ .mfb; mov r1 = psr.l ;; }\n"; | |
137 | print "\t{ .mfb; mov r1 = psr.um ;; }\n"; | |
138 | print "\t{ .mmi; mov r1 = ip ;; }\n"; | |
139 | print "\n"; | |
140 | ||
141 | print "// Indirect register files\n"; | |
142 | @regs = ("pmc", "pmd", "pkr", "rr", "ibr", "dbr", "CPUID", "cpuid"); | |
143 | # ias doesn't accept these, despite documentation to the contrary. | |
144 | # push @regs, "itr", "dtr"; | |
145 | foreach $i (@regs) { | |
146 | print "\t{ .mmi\n"; | |
147 | print "\tmov r1 = ${i}[r3]\n"; | |
148 | print "\tmov r2 = ${i}[r4]\n"; | |
149 | print "\tnop.i 0;; }\n"; | |
150 | } |