diff options
author | Sigrid Solveig Haflínudóttir <sigrid@ftrv.se> | 2023-05-10 20:57:17 +0000 |
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committer | Sigrid Solveig Haflínudóttir <sigrid@ftrv.se> | 2023-05-10 20:57:17 +0000 |
commit | eaf799e8c4e25df6953046544ec5ef5e36fc921a (patch) | |
tree | fd28fa72da0cd390b10581fff65f14df6b46de8e /sys/src/libmach/7db.c | |
parent | 6723fdf7b7c7fc3231bb1868139c768301ff03b9 (diff) |
libmach/acid: add basic FP support for arm64
Diffstat (limited to 'sys/src/libmach/7db.c')
-rw-r--r-- | sys/src/libmach/7db.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/sys/src/libmach/7db.c b/sys/src/libmach/7db.c index e367c8255..f12432262 100644 --- a/sys/src/libmach/7db.c +++ b/sys/src/libmach/7db.c @@ -49,8 +49,8 @@ Machdata arm64mach = riscframe, /* Frame finder */ arm64excep, /* print exception */ 0, /* breakpoint fixup */ - 0, /* single precision float printer */ - 0, /* double precision float printer */ + leieeesftos, /* single precision float printer */ + leieeedftos, /* double precision float printer */ arm64foll, /* following addresses */ arm64inst, /* print instruction */ arm64das, /* dissembler */ @@ -258,6 +258,12 @@ static Opcode opcodes[] = "11010101000000110100xxxx11111111", "MSR", "$%x,DAIFClr", "11010101000YYYYYYYYYYYYYYYYddddd", "MSR", "R%d,%Y", "11010101001YYYYYYYYYYYYYYYYddddd", "MRS", "%Y,R%d", + "FF11110101uuuuuuuuuuuu11111ddddd", "FMOV%F", "%u(SP),F%d", + "FF11110101uuuuuuuuuuuunnnnnddddd", "FMOV%F", "%u(R%n),F%d", + "FF111100010ooooooooo0011111ddddd", "FMOV%F", "%o(SP),F%d", + "FF111100010ooooooooo00nnnnnddddd", "FMOV%F", "%o(R%n),F%d", + "W0011110ZZ111000000000nnnnnddddd", "FCVTZS%Z%W", "F%n,R%d", + "W0011110ZZ111001000000nnnnnddddd", "FCVTZU%Z%W", "F%n,R%d", "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", "WORD", "$%x", }; @@ -471,6 +477,11 @@ format(char *mnemonic, Instr *i, char *f) *i->curr++ = "BHW"[u]; break; + case 'F': // FP width + u &= 3; + *i->curr++ = "BHSD"[u]; + break; + case 'd': // Register Numbers case 'n': case 'a': @@ -592,6 +603,10 @@ format(char *mnemonic, Instr *i, char *f) } break; + case 'Z': // FP type + *i->curr++ = "SD?H"[u]; + break; + case '\0': *i->curr++ = '%'; return; |