ref: 63392be12a1a657419af2d2966995428721f18f3
dir: /lib/acid/mips/
// Mips support
defn acidinit() // Called after all the init modules are loaded
{
bplist = {};
bpfmt = 'X';
srcpath = {
"./",
"/sys/src/libc/port/",
"/sys/src/libc/9sys/",
"/sys/src/libc/mips/"
};
srcfiles = {}; // list of loaded files
srctext = {}; // the text of the files
}
defn stk() // trace
{
_stk(*PC, *SP, linkreg(0), 0);
}
defn lstk() // trace with locals
{
_stk(*PC, *SP, linkreg(0), 1);
}
defn gpr() // print general purpose registers
{
print("R1\t", *R1, " R2\t", *R2, " R3\t", *R3, "\n");
print("R4\t", *R4, " R5\t", *R5, " R6\t", *R6, "\n");
print("R7\t", *R7, " R8\t", *R8, " R9\t", *R9, "\n");
print("R10\t", *R10, " R11\t", *R11, " R12\t", *R12, "\n");
print("R13\t", *R13, " R14\t", *R14, " R15\t", *R15, "\n");
print("R16\t", *R16, " R17\t", *R17, " R18\t", *R18, "\n");
print("R19\t", *R19, " R20\t", *R20, " R21\t", *R21, "\n");
print("R22\t", *R22, " R23\t", *R23, " R24\t", *R24, "\n");
print("R25\t", *R25, " R26\t", *R26, " R27\t", *R27, "\n");
print("R28\t", *R28, " R29\t", *SP, " R30\t", *R30, "\n");
print("R31\t", *R31, "\n");
}
defn Fpr()
{
print("F0\t", *fmt(F0, 'G'), "\tF2\t", *fmt(F2, 'G'), "\n");
print("F4\t", *fmt(F4, 'G'), "\tF6\t", *fmt(F6, 'G'), "\n");
print("F8\t", *fmt(F8, 'G'), "\tF10\t", *fmt(F10, 'G'), "\n");
print("F12\t", *fmt(F12, 'G'), "\tF14\t", *fmt(F14, 'G'), "\n");
print("F16\t", *fmt(F16, 'G'), "\tF18\t", *fmt(F18, 'G'), "\n");
print("F20\t", *fmt(F20, 'G'), "\tF22\t", *fmt(F22, 'G'), "\n");
print("F24\t", *fmt(F24, 'G'), "\tF26\t", *fmt(F26, 'G'), "\n");
print("F28\t", *fmt(F28, 'G'), "\tF30\t", *fmt(F30, 'G'), "\n");
}
defn fpr()
{
print("F0\t", *fmt(F0, 'g'), "\tF1\t", *fmt(F1, 'g'), "\n");
print("F2\t", *fmt(F2, 'g'), "\tF3\t", *fmt(F3, 'g'), "\n");
print("F4\t", *fmt(F4, 'g'), "\tF5\t", *fmt(F5, 'g'), "\n");
print("F6\t", *fmt(F6, 'g'), "\tF7\t", *fmt(F7, 'g'), "\n");
print("F8\t", *fmt(F8, 'g'), "\tF9\t", *fmt(F9, 'g'), "\n");
print("F10\t", *fmt(F10, 'g'), "\tF11\t", *fmt(F11, 'g'), "\n");
print("F12\t", *fmt(F12, 'g'), "\tF13\t", *fmt(F13, 'g'), "\n");
print("F14\t", *fmt(F14, 'g'), "\tF15\t", *fmt(F15, 'g'), "\n");
print("F16\t", *fmt(F16, 'g'), "\tF17\t", *fmt(F17, 'g'), "\n");
print("F18\t", *fmt(F18, 'g'), "\tF19\t", *fmt(F19, 'g'), "\n");
print("F20\t", *fmt(F20, 'g'), "\tF21\t", *fmt(F21, 'g'), "\n");
print("F22\t", *fmt(F22, 'g'), "\tF23\t", *fmt(F23, 'g'), "\n");
print("F24\t", *fmt(F24, 'g'), "\tF25\t", *fmt(F25, 'g'), "\n");
print("F26\t", *fmt(F26, 'g'), "\tF27\t", *fmt(F27, 'g'), "\n");
print("F28\t", *fmt(F28, 'g'), "\tF29\t", *fmt(F29, 'g'), "\n");
print("F30\t", *fmt(F30, 'g'), "\tF31\t", *fmt(F31, 'g'), "\n");
}
defn spr() // print special processor registers
{
local pc, link, cause;
pc = *PC;
print("PC\t", pc, " ", fmt(pc, 'a'), " ");
pfl(pc);
link = *R31;
print("SP\t", *SP, "\tLINK\t", link, " ", fmt(link, 'a'), " ");
pfl(link);
cause = *CAUSE;
print("STATUS\t", *STATUS, "\tCAUSE\t", cause, " ", reason(cause), "\n");
print("TLBVIR\t", *TLBVIRT, "\tBADVADR\t", *BADVADDR, "\n");
print("HI\t", *HI, "\tLO\t", *LO, "\n");
}
defn regs() // print all registers
{
spr();
gpr();
}
defn pstop(pid)
{
local l, pc;
pc = *PC;
print(pid,": ", reason(*CAUSE), "\t");
print(fmt(pc, 'a'), "\t", fmt(pc, 'i'), "\n");
if notes then {
if notes[0] != "sys: breakpoint" then {
print("Notes pending:\n");
l = notes;
while l do {
print("\t", head l, "\n");
l = tail l;
}
}
}
}
sizeofUreg = 152;
aggr Ureg
{
'X' 0 status;
'X' 4 pc;
{
'X' 8 sp;
'X' 8 usp;
};
'X' 12 cause;
'X' 16 badvaddr;
'X' 20 tlbvirt;
'X' 24 hi;
'X' 28 lo;
'X' 32 r31;
'X' 36 r30;
'X' 40 r28;
'X' 44 r27;
'X' 48 r26;
'X' 52 r25;
'X' 56 r24;
'X' 60 r23;
'X' 64 r22;
'X' 68 r21;
'X' 72 r20;
'X' 76 r19;
'X' 80 r18;
'X' 84 r17;
'X' 88 r16;
'X' 92 r15;
'X' 96 r14;
'X' 100 r13;
'X' 104 r12;
'X' 108 r11;
'X' 112 r10;
'X' 116 r9;
'X' 120 r8;
'X' 124 r7;
'X' 128 r6;
'X' 132 r5;
'X' 136 r4;
'X' 140 r3;
'X' 144 r2;
'X' 148 r1;
};
defn
Ureg(addr) {
complex Ureg addr;
print(" status ", addr.status, "\n");
print(" pc ", addr.pc, "\n");
print(" sp ", addr.sp, "\n");
print(" cause ", addr.cause, "\n");
print(" badvaddr ", addr.badvaddr, "\n");
print(" tlbvirt ", addr.tlbvirt, "\n");
print(" hi ", addr.hi, "\n");
print(" lo ", addr.lo, "\n");
print(" r31 ", addr.r31, "\n");
print(" r30 ", addr.r30, "\n");
print(" r28 ", addr.r28, "\n");
print(" r27 ", addr.r27, "\n");
print(" r26 ", addr.r26, "\n");
print(" r25 ", addr.r25, "\n");
print(" r24 ", addr.r24, "\n");
print(" r23 ", addr.r23, "\n");
print(" r22 ", addr.r22, "\n");
print(" r21 ", addr.r21, "\n");
print(" r20 ", addr.r20, "\n");
print(" r19 ", addr.r19, "\n");
print(" r18 ", addr.r18, "\n");
print(" r17 ", addr.r17, "\n");
print(" r16 ", addr.r16, "\n");
print(" r15 ", addr.r15, "\n");
print(" r14 ", addr.r14, "\n");
print(" r13 ", addr.r13, "\n");
print(" r12 ", addr.r12, "\n");
print(" r11 ", addr.r11, "\n");
print(" r10 ", addr.r10, "\n");
print(" r9 ", addr.r9, "\n");
print(" r8 ", addr.r8, "\n");
print(" r7 ", addr.r7, "\n");
print(" r6 ", addr.r6, "\n");
print(" r5 ", addr.r5, "\n");
print(" r4 ", addr.r4, "\n");
print(" r3 ", addr.r3, "\n");
print(" r2 ", addr.r2, "\n");
print(" r1 ", addr.r1, "\n");
};
defn linkreg(addr)
{
complex Ureg addr;
return addr.r31\X;
}
print("/sys/lib/acid/mips");