diff options
Diffstat (limited to 'sim/h8300')
| -rw-r--r-- | sim/h8300/ChangeLog | 10 | ||||
| -rw-r--r-- | sim/h8300/compile.c | 49 |
2 files changed, 57 insertions, 2 deletions
diff --git a/sim/h8300/ChangeLog b/sim/h8300/ChangeLog index c28ae44..0b76bf6 100644 --- a/sim/h8300/ChangeLog +++ b/sim/h8300/ChangeLog @@ -1,3 +1,13 @@ +start-sanitize-h8s +Tue Jul 2 01:37:27 1996 Jeffrey A Law (law@cygnus.com) + + * compile.c (sim_resume): Handle "ldm.l" and "stm.l". + +Wed Jun 26 08:58:53 1996 Jeffrey A Law (law@cygnus.com) + + * compile.c (h8300smode): Declare. + +end-sanitize-h8s Wed Jun 26 12:20:56 1996 Jason Molenda (crash@godzilla.cygnus.co.jp) * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir, diff --git a/sim/h8300/compile.c b/sim/h8300/compile.c index 2e02aa0..21b9d65 100644 --- a/sim/h8300/compile.c +++ b/sim/h8300/compile.c @@ -74,7 +74,7 @@ int debug; #endif #ifndef SEXTCHAR -#define SEXTCHAR(x) ((x & 0x80) ? (x | ~0xff):x) +#define SEXTCHAR(x) ((x & 0x80) ? (x | ~0xff): x & 0xff) #endif #define UEXTCHAR(x) ((x) & 0xff) @@ -84,6 +84,9 @@ int debug; static cpu_state_type cpu; int h8300hmode = 0; +/* start-sanitize-h8s */ +int h8300smode = 0; +/* end-sanitize-h8s */ static int memory_size; @@ -1424,6 +1427,42 @@ sim_resume (step, siggnal) case O (O_NOP, SB): goto next; +/* start-sanitize-h8s */ + case O (O_STM, SL): + { + int nregs, firstreg, i; + + nregs = GET_MEMORY_B (pc + 1); + nregs >>= 4; + nregs &= 0xf; + firstreg = GET_MEMORY_B (pc + 3); + firstreg &= 0xf; + for (i = firstreg; i <= firstreg + nregs; i++) + { + cpu.regs[7] -= 4; + SET_MEMORY_L (cpu.regs[7], cpu.regs[i]); + } + } + goto next; + + case O (O_LDM, SL): + { + int nregs, firstreg, i; + + nregs = GET_MEMORY_B (pc + 1); + nregs >>= 4; + nregs &= 0xf; + firstreg = GET_MEMORY_B (pc + 3); + firstreg &= 0xf; + for (i = firstreg; i >= firstreg - nregs; i--) + { + cpu.regs[i] = GET_MEMORY_L (cpu.regs[7]); + cpu.regs[7] += 4; + } + } + goto next; + +/* end-sanitize-h8s */ default: cpu.exception = SIGILL; goto end; @@ -1892,7 +1931,13 @@ sim_load (prog, from_tty) if ((abfd = bfd_openr (prog, "coff-h8300")) != 0) { if (bfd_check_format (abfd, bfd_object)) - set_h8300h (abfd->arch_info->mach == bfd_mach_h8300h); + { + set_h8300h (abfd->arch_info->mach == bfd_mach_h8300h +/* start-sanitize-h8s */ + || abfd->arch_info->mach == bfd_mach_h8300s +/* end-sanitize-h8s */ + ); + } bfd_close (abfd); } |