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core: Implement the mcrxrx instruction

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This also removes OP_MCRXR, as the mcrxr instruction was removed in
version 3.0B of the Power ISA, having been phased-out for the server
architecture since v2.02.

Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
This commit is contained in:
Paul Mackerras
2020-08-03 10:29:46 +10:00
parent 0fb8967290
commit fa77a6f683
4 changed files with 14 additions and 7 deletions
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3
decode1.vhdl
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@@ -254,8 +254,7 @@ architecture behaviour of decode1 is
2#1100010101# => (LDST, OP_LOAD, RA_OR_ZERO, RB, NONE, RT, '0', '0', '0', '0', ZERO, '0', is4B, '0', '0', '0', '0', '0', '0', NONE, '0', '0'), -- lwzcix
2#0000110111# => (LDST, OP_LOAD, RA_OR_ZERO, RB, NONE, RT, '0', '0', '0', '0', ZERO, '0', is4B, '0', '0', '1', '0', '0', '0', NONE, '0', '0'), -- lwzux
2#0000010111# => (LDST, OP_LOAD, RA_OR_ZERO, RB, NONE, RT, '0', '0', '0', '0', ZERO, '0', is4B, '0', '0', '0', '0', '0', '0', NONE, '0', '0'), -- lwzx
-- 2#1000000000# mcrxr
-- 2#1001000000# mcrxrx
2#1001000000# => (ALU, OP_MCRXRX, NONE, NONE, NONE, NONE, '0', '1', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '0'), -- mcrxrx
2#0000010011# => (ALU, OP_MFCR, NONE, NONE, NONE, RT, '1', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '0'), -- mfcr/mfocrf
2#0001010011# => (ALU, OP_MFMSR, NONE, NONE, NONE, RT, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- mfmsr
2#0101010011# => (ALU, OP_MFSPR, SPR, NONE, RS, RT, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '0'), -- mfspr

2
decode_types.vhdl
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@@ -10,7 +10,7 @@ package decode_types is
OP_DCBZ, OP_DIV, OP_DIVE, OP_EXTS,
OP_EXTSWSLI, OP_ICBI, OP_ICBT, OP_ISEL, OP_ISYNC,
OP_LOAD, OP_STORE, OP_MADDHD, OP_MADDHDU, OP_MADDLD,
OP_MCRXR, OP_MCRXRX, OP_MFCR, OP_MFMSR, OP_MFSPR, OP_MOD,
OP_MCRXRX, OP_MFCR, OP_MFMSR, OP_MFSPR, OP_MOD,
OP_MTCRF, OP_MTMSRD, OP_MTSPR, OP_MUL_L64,
OP_MUL_H64, OP_MUL_H32, OP_OR,
OP_POPCNT, OP_PRTY, OP_RFID,

8
execute1.vhdl
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@@ -739,6 +739,14 @@ begin
end if;
end loop;
end if;
when OP_MCRXRX =>
newcrf := v.e.xerc.ov & v.e.xerc.ca & v.e.xerc.ov32 & v.e.xerc.ca32;
bf := insn_bf(e_in.insn);
crnum := to_integer(unsigned(bf));
v.e.write_cr_enable := '1';
v.e.write_cr_mask := num_to_fxm(crnum);
v.e.write_cr_data := newcrf & newcrf & newcrf & newcrf &
newcrf & newcrf & newcrf & newcrf;
when OP_MFMSR =>
result := ctrl.msr;
result_en := '1';

8
scripts/fmt_log/fmt_log.c
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@@ -91,10 +91,10 @@ const char *ops[64] =
"bperm ", "cmp ", "cmpb ", "cmpeqb ", "cmprb ", "cntz ", "crop ", "darn ",
"dcbf ", "dcbst ", "dcbt ", "dcbtst ", "dcbz ", "div ", "dive ", "exts ",
"extswsl", "icbi ", "icbt ", "isel ", "isync ", "ld ", "st ", "maddhd ",
"maddhdu", "maddld ", "mcrxr ", "mcrxrx ", "mfcr ", "mfmsr ", "mfspr ", "mod ",
"mtcrf ", "mtmsr ", "mtspr ", "mull64 ", "mulh64 ", "mulh32 ", "or ", "popcnt ",
"prty ", "rfid ", "rlc ", "rlcl ", "rlcr ", "sc ", "setb ", "shl ",
"shr ", "sync ", "tlbie ", "trap ", "xor ", "ffail ", "?62 ", "?63 "
"maddhdu", "maddld ", "mcrxrx ", "mfcr ", "mfmsr ", "mfspr ", "mod ", "mtcrf ",
"mtmsr ", "mtspr ", "mull64 ", "mulh64 ", "mulh32 ", "or ", "popcnt ", "prty ",
"rfid ", "rlc ", "rlcl ", "rlcr ", "sc ", "setb ", "shl ", "shr ",
"sync ", "tlbie ", "trap ", "xor ", "ffail ", "?61 ", "?62 ", "?63 "
};
const char *spr_names[13] =