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| author | Nick Clifton <nickc@redhat.com> | 2003-03-27 17:13:33 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2003-03-27 17:13:33 +0000 |
| commit | 0f026fd00cb8fec25a722afb2acd44aadfc046ef (patch) | |
| tree | c03e941a65a5e0931ed86c13fb0bdb13a33f3146 /sim/arm/armemu.c | |
| parent | 378bfd1b7a2a1afc6553da2ae148a3908cf6d147 (diff) | |
| download | gdb-0f026fd00cb8fec25a722afb2acd44aadfc046ef.zip gdb-0f026fd00cb8fec25a722afb2acd44aadfc046ef.tar.gz gdb-0f026fd00cb8fec25a722afb2acd44aadfc046ef.tar.bz2 | |
Add iWMMXt support to ARM simulator
Diffstat (limited to 'sim/arm/armemu.c')
| -rw-r--r-- | sim/arm/armemu.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/sim/arm/armemu.c b/sim/arm/armemu.c index 44943c4..53fc992 100644 --- a/sim/arm/armemu.c +++ b/sim/arm/armemu.c @@ -19,6 +19,9 @@ #include "armdefs.h" #include "armemu.h" #include "armos.h" +#ifdef __IWMMXT__ +#include "iwmmxt.h" +#endif static ARMword GetDPRegRHS (ARMul_State *, ARMword); static ARMword GetDPSRegRHS (ARMul_State *, ARMword); @@ -380,6 +383,20 @@ ARMul_Emulate26 (ARMul_State * state) if (instr == 0) abort (); #endif +#ifdef __IWMMXT__ +#if 0 + { + static ARMword old_sp = -1; + + if (old_sp != state->Reg[13]) + { + old_sp = state->Reg[13]; + fprintf (stderr, "pc: %08x: SP set to %08x%s\n", + pc & ~1, old_sp, (old_sp % 8) ? " [UNALIGNED!]" : ""); + } + } +#endif +#endif if (state->Exception) { @@ -492,6 +509,12 @@ ARMul_Emulate26 (ARMul_State * state) else if ((instr & 0xFC70F000) == 0xF450F000) /* The PLD instruction. Ignored. */ goto donext; +#ifdef __IWMMXT__ + else if ( ((instr & 0xfe500f00) == 0xfc100100) + || ((instr & 0xfe500f00) == 0xfc000100)) + /* wldrw and wstrw are unconditional. */ + goto mainswitch; +#endif else /* UNDEFINED in v5, UNPREDICTABLE in v3, v4, non executed in v1, v2. */ ARMul_UndefInstr (state, instr); @@ -689,6 +712,10 @@ check_PMUintr: goto donext; } } +#ifdef __IWMMXT__ + if (ARMul_HandleIwmmxt (state, instr)) + goto donext; +#endif } switch ((int) BITS (20, 27)) |