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authorcvs2svn <>2011-03-01 03:19:24 +0300
committercvs2svn <>2011-03-01 03:19:24 +0300
commitaa9032c6ed7a4ceaf2e683486bda3928f109497d (patch)
treebecf370b13bf0d14ee112185c54ec9049965c508 /libgloss/sparc/sparclet-stub.c
parente80f6dc8f004a687271c5172ea14d3497ec6c39b (diff)
This commit was manufactured by cvs2svn to create tag 'cygwin-cygwin-1_7_8-release
1_7_8-release'. Sprout from master 2011-02-26 20:47:56 UTC Corinna Vinschen <corinna@vinschen.de> ' * autoload.cc: Make autoloaded ntdll function non-optional. Ditto for' Cherrypick from master 2011-03-01 00:19:23 UTC Christopher Faylor <me@cgf.cx> '* autoload.cc (dll_load): Only perform DONT_RESOLVE_DLL_REFERENCES hack on': winsup/cygwin/ChangeLog winsup/cygwin/autoload.cc winsup/cygwin/wincap.cc winsup/cygwin/wincap.h Cherrypick from cygnus 1999-05-03 07:29:06 UTC Richard Henderson <rth@redhat.com> '19990502 sourceware import': README config/mt-d30v config/mt-netware config/mt-ospace etc/add-log.el etc/add-log.vi etc/configbuild.ein etc/configbuild.fig etc/configbuild.jin etc/configbuild.tin etc/configdev.ein etc/configdev.fig etc/configdev.jin etc/configdev.tin include/aout/hppa.h include/coff/sym.h include/fopen-bin.h include/fopen-same.h include/opcode/tahoe.h makefile.vms Delete: COPYING3 COPYING3.LIB compile config.rpath configure.ac djunpack.bat include/cgen/ChangeLog include/cgen/basic-modes.h include/cgen/basic-ops.h include/cgen/bitset.h include/som/ChangeLog include/som/aout.h include/som/clock.h include/som/internal.h include/som/lst.h include/som/reloc.h include/vms/ChangeLog include/vms/dcx.h include/vms/dmt.h include/vms/dsc.h include/vms/dst.h include/vms/eeom.h include/vms/egps.h include/vms/egsd.h include/vms/egst.h include/vms/egsy.h include/vms/eiaf.h include/vms/eicp.h include/vms/eidc.h include/vms/eiha.h include/vms/eihd.h include/vms/eihi.h include/vms/eihs.h include/vms/eihvn.h include/vms/eisd.h include/vms/emh.h include/vms/eobjrec.h include/vms/esdf.h include/vms/esdfm.h include/vms/esdfv.h include/vms/esgps.h include/vms/esrf.h include/vms/etir.h include/vms/internal.h include/vms/lbr.h include/vms/prt.h include/vms/shl.h libgloss/ChangeLog libgloss/Makefile.in libgloss/README libgloss/acinclude.m4 libgloss/aclocal.m4 libgloss/arm/Makefile.in libgloss/arm/_exit.c libgloss/arm/_kill.c libgloss/arm/aclocal.m4 libgloss/arm/coff-iq80310.specs libgloss/arm/coff-pid.specs libgloss/arm/coff-rdimon.specs libgloss/arm/coff-rdpmon.specs libgloss/arm/coff-redboot.ld 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newlib/libc/machine/rx/memchr.S newlib/libc/machine/rx/memcpy.S newlib/libc/machine/rx/memmove.S newlib/libc/machine/rx/mempcpy.S newlib/libc/machine/rx/memset.S newlib/libc/machine/rx/setjmp.S newlib/libc/machine/rx/strcat.S newlib/libc/machine/rx/strcmp.S newlib/libc/machine/rx/strcpy.S newlib/libc/machine/rx/strlen.S newlib/libc/machine/rx/strncat.S newlib/libc/machine/rx/strncmp.S newlib/libc/machine/rx/strncpy.S newlib/libc/machine/tic6x/Makefile.am newlib/libc/machine/tic6x/Makefile.in newlib/libc/machine/tic6x/aclocal.m4 newlib/libc/machine/tic6x/configure newlib/libc/machine/tic6x/configure.in newlib/libc/machine/tic6x/setjmp.S newlib/libc/machine/xc16x/Makefile.am newlib/libc/machine/xc16x/Makefile.in newlib/libc/machine/xc16x/aclocal.m4 newlib/libc/machine/xc16x/configure newlib/libc/machine/xc16x/configure.in newlib/libc/machine/xc16x/putchar.c newlib/libc/machine/xc16x/puts.c newlib/libc/machine/xc16x/setjmp.S newlib/libc/sys/linux/bits/dirent.h 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newlib/libm/machine/spu/headers/acosf4.h newlib/libm/machine/spu/headers/acosh.h newlib/libm/machine/spu/headers/acoshd2.h newlib/libm/machine/spu/headers/acoshf.h newlib/libm/machine/spu/headers/acoshf4.h newlib/libm/machine/spu/headers/asin.h newlib/libm/machine/spu/headers/asind2.h newlib/libm/machine/spu/headers/asinf.h newlib/libm/machine/spu/headers/asinf4.h newlib/libm/machine/spu/headers/asinh.h newlib/libm/machine/spu/headers/asinhd2.h newlib/libm/machine/spu/headers/asinhf.h newlib/libm/machine/spu/headers/asinhf4.h newlib/libm/machine/spu/headers/atan.h newlib/libm/machine/spu/headers/atan2.h newlib/libm/machine/spu/headers/atan2d2.h newlib/libm/machine/spu/headers/atan2f.h newlib/libm/machine/spu/headers/atan2f4.h newlib/libm/machine/spu/headers/atand2.h newlib/libm/machine/spu/headers/atanf.h newlib/libm/machine/spu/headers/atanf4.h newlib/libm/machine/spu/headers/atanh.h newlib/libm/machine/spu/headers/atanhd2.h newlib/libm/machine/spu/headers/atanhf.h 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newlib/libm/machine/spu/headers/erf_utils.h newlib/libm/machine/spu/headers/erfc.h newlib/libm/machine/spu/headers/erfcd2.h newlib/libm/machine/spu/headers/erfcf.h newlib/libm/machine/spu/headers/erfcf4.h newlib/libm/machine/spu/headers/erfd2.h newlib/libm/machine/spu/headers/erff.h newlib/libm/machine/spu/headers/erff4.h newlib/libm/machine/spu/headers/exp.h newlib/libm/machine/spu/headers/exp2.h newlib/libm/machine/spu/headers/exp2d2.h newlib/libm/machine/spu/headers/exp2f.h newlib/libm/machine/spu/headers/exp2f4.h newlib/libm/machine/spu/headers/expd2.h newlib/libm/machine/spu/headers/expf.h newlib/libm/machine/spu/headers/expf4.h newlib/libm/machine/spu/headers/expm1.h newlib/libm/machine/spu/headers/expm1d2.h newlib/libm/machine/spu/headers/expm1f.h newlib/libm/machine/spu/headers/expm1f4.h newlib/libm/machine/spu/headers/fabs.h newlib/libm/machine/spu/headers/fabsf.h newlib/libm/machine/spu/headers/fdim.h newlib/libm/machine/spu/headers/fdimf.h newlib/libm/machine/spu/headers/feclearexcept.h newlib/libm/machine/spu/headers/fefpscr.h newlib/libm/machine/spu/headers/fegetenv.h newlib/libm/machine/spu/headers/fegetexceptflag.h newlib/libm/machine/spu/headers/fegetround.h newlib/libm/machine/spu/headers/feholdexcept.h newlib/libm/machine/spu/headers/feraiseexcept.h newlib/libm/machine/spu/headers/fesetenv.h newlib/libm/machine/spu/headers/fesetexceptflag.h newlib/libm/machine/spu/headers/fesetround.h newlib/libm/machine/spu/headers/fetestexcept.h newlib/libm/machine/spu/headers/feupdateenv.h newlib/libm/machine/spu/headers/floor.h newlib/libm/machine/spu/headers/floord2.h newlib/libm/machine/spu/headers/floorf.h newlib/libm/machine/spu/headers/floorf4.h newlib/libm/machine/spu/headers/fma.h newlib/libm/machine/spu/headers/fmaf.h newlib/libm/machine/spu/headers/fmax.h newlib/libm/machine/spu/headers/fmaxf.h newlib/libm/machine/spu/headers/fmin.h newlib/libm/machine/spu/headers/fminf.h newlib/libm/machine/spu/headers/fmod.h newlib/libm/machine/spu/headers/fmodf.h newlib/libm/machine/spu/headers/frexp.h newlib/libm/machine/spu/headers/frexpf.h newlib/libm/machine/spu/headers/hypot.h newlib/libm/machine/spu/headers/hypotd2.h newlib/libm/machine/spu/headers/hypotf.h newlib/libm/machine/spu/headers/hypotf4.h newlib/libm/machine/spu/headers/ilogb.h newlib/libm/machine/spu/headers/ilogbf.h newlib/libm/machine/spu/headers/isnan.h newlib/libm/machine/spu/headers/isnand2.h newlib/libm/machine/spu/headers/isnanf.h newlib/libm/machine/spu/headers/isnanf4.h newlib/libm/machine/spu/headers/ldexp.h newlib/libm/machine/spu/headers/ldexpd2.h newlib/libm/machine/spu/headers/ldexpf.h newlib/libm/machine/spu/headers/ldexpf4.h newlib/libm/machine/spu/headers/lgamma.h newlib/libm/machine/spu/headers/lgammad2.h newlib/libm/machine/spu/headers/lgammaf.h newlib/libm/machine/spu/headers/lgammaf4.h newlib/libm/machine/spu/headers/llrint.h newlib/libm/machine/spu/headers/llrintf.h newlib/libm/machine/spu/headers/llround.h newlib/libm/machine/spu/headers/llroundf.h newlib/libm/machine/spu/headers/log.h newlib/libm/machine/spu/headers/log10.h newlib/libm/machine/spu/headers/log10d2.h newlib/libm/machine/spu/headers/log10f.h newlib/libm/machine/spu/headers/log1p.h newlib/libm/machine/spu/headers/log1pd2.h newlib/libm/machine/spu/headers/log1pf.h newlib/libm/machine/spu/headers/log1pf4.h newlib/libm/machine/spu/headers/log2.h newlib/libm/machine/spu/headers/log2d2.h newlib/libm/machine/spu/headers/log2f.h newlib/libm/machine/spu/headers/log2f4.h newlib/libm/machine/spu/headers/logbf.h newlib/libm/machine/spu/headers/logbf4.h newlib/libm/machine/spu/headers/logd2.h newlib/libm/machine/spu/headers/logf.h newlib/libm/machine/spu/headers/logf4.h newlib/libm/machine/spu/headers/lrint.h newlib/libm/machine/spu/headers/lrintf.h newlib/libm/machine/spu/headers/lround.h newlib/libm/machine/spu/headers/lroundf.h newlib/libm/machine/spu/headers/nearbyint.h newlib/libm/machine/spu/headers/nearbyintf.h newlib/libm/machine/spu/headers/nearbyintf4.h newlib/libm/machine/spu/headers/nextafter.h newlib/libm/machine/spu/headers/nextafterd2.h newlib/libm/machine/spu/headers/nextafterf.h newlib/libm/machine/spu/headers/nextafterf4.h newlib/libm/machine/spu/headers/pow.h newlib/libm/machine/spu/headers/powd2.h newlib/libm/machine/spu/headers/powf.h newlib/libm/machine/spu/headers/powf4.h newlib/libm/machine/spu/headers/recipd2.h newlib/libm/machine/spu/headers/recipf4.h newlib/libm/machine/spu/headers/remainder.h newlib/libm/machine/spu/headers/remainderf.h newlib/libm/machine/spu/headers/remquo.h newlib/libm/machine/spu/headers/remquof.h newlib/libm/machine/spu/headers/rint.h newlib/libm/machine/spu/headers/rintf.h newlib/libm/machine/spu/headers/rintf4.h newlib/libm/machine/spu/headers/round.h newlib/libm/machine/spu/headers/roundf.h newlib/libm/machine/spu/headers/scalbn.h newlib/libm/machine/spu/headers/scalbnf.h newlib/libm/machine/spu/headers/scalbnf4.h newlib/libm/machine/spu/headers/signbit.h newlib/libm/machine/spu/headers/signbitd2.h newlib/libm/machine/spu/headers/simdmath.h newlib/libm/machine/spu/headers/sin.h newlib/libm/machine/spu/headers/sincos.h newlib/libm/machine/spu/headers/sincosd2.h newlib/libm/machine/spu/headers/sincosf.h newlib/libm/machine/spu/headers/sincosf4.h newlib/libm/machine/spu/headers/sind2.h newlib/libm/machine/spu/headers/sinf.h newlib/libm/machine/spu/headers/sinf4.h newlib/libm/machine/spu/headers/sinh.h newlib/libm/machine/spu/headers/sinhd2.h newlib/libm/machine/spu/headers/sinhf.h newlib/libm/machine/spu/headers/sinhf4.h newlib/libm/machine/spu/headers/sqrt.h newlib/libm/machine/spu/headers/sqrtd2.h newlib/libm/machine/spu/headers/sqrtf.h newlib/libm/machine/spu/headers/sqrtf4.h newlib/libm/machine/spu/headers/tan.h newlib/libm/machine/spu/headers/tand2.h newlib/libm/machine/spu/headers/tanf.h newlib/libm/machine/spu/headers/tanf4.h newlib/libm/machine/spu/headers/tanh.h newlib/libm/machine/spu/headers/tanhd2.h newlib/libm/machine/spu/headers/tanhf.h newlib/libm/machine/spu/headers/tanhf4.h newlib/libm/machine/spu/headers/tgamma.h newlib/libm/machine/spu/headers/tgammad2.h newlib/libm/machine/spu/headers/tgammaf.h newlib/libm/machine/spu/headers/tgammaf4.h newlib/libm/machine/spu/headers/trunc.h newlib/libm/machine/spu/headers/truncd2.h newlib/libm/machine/spu/headers/truncf.h newlib/libm/machine/spu/headers/truncf4.h newlib/libm/machine/spu/headers/vec_literal.h newlib/libm/machine/spu/llrint.c newlib/libm/machine/spu/llrintf.c newlib/libm/machine/spu/llround.c newlib/libm/machine/spu/llroundf.c newlib/libm/machine/spu/log2.c newlib/libm/machine/spu/log2f.c newlib/libm/machine/spu/s_asinh.c newlib/libm/machine/spu/s_atan.c newlib/libm/machine/spu/s_cbrt.c newlib/libm/machine/spu/s_ceil.c newlib/libm/machine/spu/s_copysign.c newlib/libm/machine/spu/s_cos.c newlib/libm/machine/spu/s_erf.c newlib/libm/machine/spu/s_expm1.c newlib/libm/machine/spu/s_fabs.c newlib/libm/machine/spu/s_fdim.c newlib/libm/machine/spu/s_floor.c newlib/libm/machine/spu/s_fma.c newlib/libm/machine/spu/s_fmax.c newlib/libm/machine/spu/s_fmin.c newlib/libm/machine/spu/s_frexp.c newlib/libm/machine/spu/s_ilogb.c newlib/libm/machine/spu/s_isnan.c newlib/libm/machine/spu/s_ldexp.c newlib/libm/machine/spu/s_log1p.c newlib/libm/machine/spu/s_lrint.c newlib/libm/machine/spu/s_lround.c newlib/libm/machine/spu/s_nearbyint.c newlib/libm/machine/spu/s_nextafter.c newlib/libm/machine/spu/s_remquo.c newlib/libm/machine/spu/s_rint.c newlib/libm/machine/spu/s_round.c newlib/libm/machine/spu/s_scalbn.c newlib/libm/machine/spu/s_sin.c newlib/libm/machine/spu/s_tan.c newlib/libm/machine/spu/s_tanh.c newlib/libm/machine/spu/s_trunc.c newlib/libm/machine/spu/sf_asinh.c newlib/libm/machine/spu/sf_atan.c newlib/libm/machine/spu/sf_cbrt.c newlib/libm/machine/spu/sf_ceil.c newlib/libm/machine/spu/sf_copysign.c newlib/libm/machine/spu/sf_cos.c newlib/libm/machine/spu/sf_erf.c newlib/libm/machine/spu/sf_expm1.c newlib/libm/machine/spu/sf_fabs.c newlib/libm/machine/spu/sf_fdim.c newlib/libm/machine/spu/sf_finite.c newlib/libm/machine/spu/sf_floor.c newlib/libm/machine/spu/sf_fma.c newlib/libm/machine/spu/sf_fmax.c newlib/libm/machine/spu/sf_fmin.c newlib/libm/machine/spu/sf_fpclassify.c newlib/libm/machine/spu/sf_frexp.c newlib/libm/machine/spu/sf_ilogb.c newlib/libm/machine/spu/sf_isinf.c newlib/libm/machine/spu/sf_isinff.c newlib/libm/machine/spu/sf_isnan.c newlib/libm/machine/spu/sf_isnanf.c newlib/libm/machine/spu/sf_ldexp.c newlib/libm/machine/spu/sf_log1p.c newlib/libm/machine/spu/sf_logb.c newlib/libm/machine/spu/sf_lrint.c newlib/libm/machine/spu/sf_lround.c newlib/libm/machine/spu/sf_nan.c newlib/libm/machine/spu/sf_nearbyint.c newlib/libm/machine/spu/sf_nextafter.c newlib/libm/machine/spu/sf_remquo.c newlib/libm/machine/spu/sf_rint.c newlib/libm/machine/spu/sf_round.c newlib/libm/machine/spu/sf_scalbn.c newlib/libm/machine/spu/sf_sin.c newlib/libm/machine/spu/sf_tan.c newlib/libm/machine/spu/sf_tanh.c newlib/libm/machine/spu/sf_trunc.c newlib/libm/machine/spu/w_acos.c newlib/libm/machine/spu/w_acosh.c newlib/libm/machine/spu/w_asin.c newlib/libm/machine/spu/w_atan2.c newlib/libm/machine/spu/w_atanh.c newlib/libm/machine/spu/w_cosh.c newlib/libm/machine/spu/w_exp.c newlib/libm/machine/spu/w_exp2.c newlib/libm/machine/spu/w_fmod.c newlib/libm/machine/spu/w_hypot.c newlib/libm/machine/spu/w_lgamma.c newlib/libm/machine/spu/w_log.c newlib/libm/machine/spu/w_log10.c newlib/libm/machine/spu/w_pow.c newlib/libm/machine/spu/w_remainder.c newlib/libm/machine/spu/w_sincos.c newlib/libm/machine/spu/w_sinh.c newlib/libm/machine/spu/w_sqrt.c newlib/libm/machine/spu/w_tgamma.c newlib/libm/machine/spu/wf_acos.c newlib/libm/machine/spu/wf_acosh.c newlib/libm/machine/spu/wf_asin.c newlib/libm/machine/spu/wf_atan2.c newlib/libm/machine/spu/wf_atanh.c newlib/libm/machine/spu/wf_cosh.c newlib/libm/machine/spu/wf_exp.c newlib/libm/machine/spu/wf_exp2.c newlib/libm/machine/spu/wf_fmod.c newlib/libm/machine/spu/wf_hypot.c newlib/libm/machine/spu/wf_lgamma.c newlib/libm/machine/spu/wf_log.c newlib/libm/machine/spu/wf_log10.c newlib/libm/machine/spu/wf_pow.c newlib/libm/machine/spu/wf_remainder.c newlib/libm/machine/spu/wf_sincos.c newlib/libm/machine/spu/wf_sinh.c newlib/libm/machine/spu/wf_sqrt.c newlib/libm/machine/spu/wf_tgamma.c texinfo/texinfo.tex
Diffstat (limited to 'libgloss/sparc/sparclet-stub.c')
-rw-r--r--libgloss/sparc/sparclet-stub.c1233
1 files changed, 0 insertions, 1233 deletions
diff --git a/libgloss/sparc/sparclet-stub.c b/libgloss/sparc/sparclet-stub.c
deleted file mode 100644
index a46212830..000000000
--- a/libgloss/sparc/sparclet-stub.c
+++ /dev/null
@@ -1,1233 +0,0 @@
-/****************************************************************************
-
- THIS SOFTWARE IS NOT COPYRIGHTED
-
- HP offers the following for use in the public domain. HP makes no
- warranty with regard to the software or it's performance and the
- user accepts the software "AS IS" with all faults.
-
- HP DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WITH REGARD
- TO THIS SOFTWARE INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
-
-****************************************************************************/
-
-/****************************************************************************
- * Header: remcom.c,v 1.34 91/03/09 12:29:49 glenne Exp $
- *
- * Module name: remcom.c $
- * Revision: 1.34 $
- * Date: 91/03/09 12:29:49 $
- * Contributor: Lake Stevens Instrument Division$
- *
- * Description: low level support for gdb debugger. $
- *
- * Considerations: only works on target hardware $
- *
- * Written by: Glenn Engel $
- * ModuleState: Experimental $
- *
- * NOTES: See Below $
- *
- * Modified for SPARC by Stu Grossman, Cygnus Support.
- * Based on sparc-stub.c, it's modified for SPARClite Debug Unit hardware
- * breakpoint support to create sparclite-stub.c, by Kung Hsu, Cygnus Support.
- *
- * This code has been extensively tested on the Fujitsu SPARClite demo board.
- *
- * To enable debugger support, two things need to happen. One, a
- * call to set_debug_traps() is necessary in order to allow any breakpoints
- * or error conditions to be properly intercepted and reported to gdb.
- * Two, a breakpoint needs to be generated to begin communication. This
- * is most easily accomplished by a call to breakpoint(). Breakpoint()
- * simulates a breakpoint by executing a trap #1.
- *
- *************
- *
- * The following gdb commands are supported:
- *
- * command function Return value
- *
- * g return the value of the CPU registers hex data or ENN
- * G set the value of the CPU registers OK or ENN
- * P set the value of a single CPU register OK or P01 (???)
- *
- * mAA..AA,LLLL Read LLLL bytes at address AA..AA hex data or ENN
- * MAA..AA,LLLL: Write LLLL bytes at address AA.AA OK or ENN
- *
- * c Resume at current address SNN ( signal NN)
- * cAA..AA Continue at address AA..AA SNN
- *
- * s Step one instruction SNN
- * sAA..AA Step one instruction from AA..AA SNN
- *
- * k kill
- *
- * ? What was the last sigval ? SNN (signal NN)
- *
- * bBB..BB Set baud rate to BB..BB OK or BNN, then sets
- * baud rate
- *
- * All commands and responses are sent with a packet which includes a
- * checksum. A packet consists of
- *
- * $<packet info>#<checksum>.
- *
- * where
- * <packet info> :: <characters representing the command or response>
- * <checksum> :: <two hex digits computed as modulo 256 sum of <packetinfo>>
- *
- * When a packet is received, it is first acknowledged with either '+' or '-'.
- * '+' indicates a successful transfer. '-' indicates a failed transfer.
- *
- * Example:
- *
- * Host: Reply:
- * $m0,10#2a +$00010203040506070809101112131415#42
- *
- ****************************************************************************/
-
-#include <string.h>
-#include <signal.h>
-
-/************************************************************************
- *
- * external low-level support routines
- */
-
-extern putDebugChar(); /* write a single character */
-extern getDebugChar(); /* read and return a single char */
-
-/************************************************************************/
-/* BUFMAX defines the maximum number of characters in inbound/outbound buffers*/
-/* at least NUMREGBYTES*2 are needed for register packets */
-#define BUFMAX 2048
-
-static int initialized = 0; /* !0 means we've been initialized */
-static int remote_debug = 0; /* turn on verbose debugging */
-
-extern void breakinst();
-void _cprint();
-static void hw_breakpoint();
-static void set_mem_fault_trap();
-static void get_in_break_mode();
-static unsigned char *mem2hex();
-
-static const char hexchars[]="0123456789abcdef";
-
-#define NUMREGS 121
-
-static unsigned long saved_stack_pointer;
-
-/* Number of bytes of registers. */
-#define NUMREGBYTES (NUMREGS * 4)
-enum regnames { G0, G1, G2, G3, G4, G5, G6, G7,
- O0, O1, O2, O3, O4, O5, SP, O7,
- L0, L1, L2, L3, L4, L5, L6, L7,
- I0, I1, I2, I3, I4, I5, FP, I7,
-
- F0, F1, F2, F3, F4, F5, F6, F7,
- F8, F9, F10, F11, F12, F13, F14, F15,
- F16, F17, F18, F19, F20, F21, F22, F23,
- F24, F25, F26, F27, F28, F29, F30, F31,
-
- Y, PSR, WIM, TBR, PC, NPC, FPSR, CPSR,
- CCSR, CCPR, CCCRCR, CCOR, CCOBR, CCIBR, CCIR, UNUSED1,
-
- ASR1, ASR15, ASR17, ASR18, ASR19, ASR20, ASR21, ASR22,
- /* the following not actually implemented */
- AWR0, AWR1, AWR2, AWR3, AWR4, AWR5, AWR6, AWR7,
- AWR8, AWR9, AWR10, AWR11, AWR12, AWR13, AWR14, AWR15,
- AWR16, AWR17, AWR18, AWR19, AWR20, AWR21, AWR22, AWR23,
- AWR24, AWR25, AWR26, AWR27, AWR28, AWR29, AWR30, AWR31,
- APSR
-};
-
-/*************************** ASSEMBLY CODE MACROS *************************/
-/* */
-
-extern void trap_low();
-
-asm("
- .reserve trapstack, 1000 * 4, \"bss\", 8
-
- .data
- .align 4
-
-in_trap_handler:
- .word 0
-
- .text
- .align 4
-
-! This function is called when any SPARC trap (except window overflow or
-! underflow) occurs. It makes sure that the invalid register window is still
-! available before jumping into C code. It will also restore the world if you
-! return from handle_exception.
-!
-! On entry, trap_low expects l1 and l2 to contain pc and npc respectivly.
-
- .globl _trap_low
-_trap_low:
- mov %psr, %l0
- mov %wim, %l3
-
- srl %l3, %l0, %l4 ! wim >> cwp
- and %l4, 0xff, %l4 ! Mask off windows 28, 29
- cmp %l4, 1
- bne window_fine ! Branch if not in the invalid window
- nop
-
-! Handle window overflow
-
- mov %g1, %l4 ! Save g1, we use it to hold the wim
- srl %l3, 1, %g1 ! Rotate wim right
- and %g1, 0xff, %g1 ! Mask off windows 28, 29
- tst %g1
- bg good_wim ! Branch if new wim is non-zero
- nop
-
-! At this point, we need to bring a 1 into the high order bit of the wim.
-! Since we don't want to make any assumptions about the number of register
-! windows, we figure it out dynamically so as to setup the wim correctly.
-
- ! The normal way doesn't work on the sparclet as register windows
- ! 28 and 29 are special purpose windows.
- !not %g1 ! Fill g1 with ones
- !mov %g1, %wim ! Fill the wim with ones
- !nop
- !nop
- !nop
- !mov %wim, %g1 ! Read back the wim
- !inc %g1 ! Now g1 has 1 just to left of wim
- !srl %g1, 1, %g1 ! Now put 1 at top of wim
-
- mov 0x80, %g1 ! Hack for sparclet
-
- ! This doesn't work on the sparclet.
- !mov %g0, %wim ! Clear wim so that subsequent save
- ! won't trap
- andn %l3, 0xff, %l5 ! Clear wim but not windows 28, 29
- mov %l5, %wim
- nop
- nop
- nop
-
-good_wim:
- save %g0, %g0, %g0 ! Slip into next window
- mov %g1, %wim ! Install the new wim
-
- std %l0, [%sp + 0 * 4] ! save L & I registers
- std %l2, [%sp + 2 * 4]
- std %l4, [%sp + 4 * 4]
- std %l6, [%sp + 6 * 4]
-
- std %i0, [%sp + 8 * 4]
- std %i2, [%sp + 10 * 4]
- std %i4, [%sp + 12 * 4]
- std %i6, [%sp + 14 * 4]
-
- restore ! Go back to trap window.
- mov %l4, %g1 ! Restore %g1
-
-window_fine:
- sethi %hi(in_trap_handler), %l4
- ld [%lo(in_trap_handler) + %l4], %l5
- tst %l5
- bg recursive_trap
- inc %l5
-
- set trapstack+1000*4, %sp ! Switch to trap stack
-
-recursive_trap:
- st %l5, [%lo(in_trap_handler) + %l4]
- sub %sp,(16+1+6+1+88)*4,%sp ! Make room for input & locals
- ! + hidden arg + arg spill
- ! + doubleword alignment
- ! + registers[121]
-
- std %g0, [%sp + (24 + 0) * 4] ! registers[Gx]
- std %g2, [%sp + (24 + 2) * 4]
- std %g4, [%sp + (24 + 4) * 4]
- std %g6, [%sp + (24 + 6) * 4]
-
- std %i0, [%sp + (24 + 8) * 4] ! registers[Ox]
- std %i2, [%sp + (24 + 10) * 4]
- std %i4, [%sp + (24 + 12) * 4]
- std %i6, [%sp + (24 + 14) * 4]
-
- ! FP regs (sparclet doesn't have fpu)
-
- mov %y, %l4
- mov %tbr, %l5
- st %l4, [%sp + (24 + 64) * 4] ! Y
- st %l0, [%sp + (24 + 65) * 4] ! PSR
- st %l3, [%sp + (24 + 66) * 4] ! WIM
- st %l5, [%sp + (24 + 67) * 4] ! TBR
- st %l1, [%sp + (24 + 68) * 4] ! PC
- st %l2, [%sp + (24 + 69) * 4] ! NPC
- ! CPSR and FPSR not impl
- or %l0, 0xf20, %l4
- mov %l4, %psr ! Turn on traps, disable interrupts
- nop
- nop
- nop
-
-! Save coprocessor state.
-! See SK/demo/hdlc_demo/ldc_swap_context.S.
-
- mov %psr, %l0
- sethi %hi(0x2000), %l5 ! EC bit in PSR
- or %l5, %l0, %l5
- mov %l5, %psr ! enable coprocessor
- nop ! 3 nops after write to %psr (needed?)
- nop
- nop
- crdcxt %ccsr, %l1 ! capture CCSR
- mov 0x6, %l2
- cwrcxt %l2, %ccsr ! set CCP state machine for CCFR
- crdcxt %ccfr, %l2 ! capture CCOR
- cwrcxt %l2, %ccfr ! tickle CCFR
- crdcxt %ccfr, %l3 ! capture CCOBR
- cwrcxt %l3, %ccfr ! tickle CCFR
- crdcxt %ccfr, %l4 ! capture CCIBR
- cwrcxt %l4, %ccfr ! tickle CCFR
- crdcxt %ccfr, %l5 ! capture CCIR
- cwrcxt %l5, %ccfr ! tickle CCFR
- crdcxt %ccpr, %l6 ! capture CCPR
- crdcxt %cccrcr, %l7 ! capture CCCRCR
- st %l1, [%sp + (24 + 72) * 4] ! save CCSR
- st %l2, [%sp + (24 + 75) * 4] ! save CCOR
- st %l3, [%sp + (24 + 76) * 4] ! save CCOBR
- st %l4, [%sp + (24 + 77) * 4] ! save CCIBR
- st %l5, [%sp + (24 + 78) * 4] ! save CCIR
- st %l6, [%sp + (24 + 73) * 4] ! save CCPR
- st %l7, [%sp + (24 + 74) * 4] ! save CCCRCR
- mov %l0, %psr ! restore original PSR
- nop ! 3 nops after write to %psr (needed?)
- nop
- nop
-
-! End of saving coprocessor state.
-! Save asr regs
-
-! Part of this is silly -- we should not display ASR15 or ASR19 at all.
-
- sethi %hi(0x01000000), %l6
- st %l6, [%sp + (24 + 81) * 4] ! ASR15 == NOP
- sethi %hi(0xdeadc0de), %l6
- or %l6, %lo(0xdeadc0de), %l6
- st %l6, [%sp + (24 + 84) * 4] ! ASR19 == DEADC0DE
-
- rd %asr1, %l4
- st %l4, [%sp + (24 + 80) * 4]
-! rd %asr15, %l4 ! must not read ASR15
-! st %l4, [%sp + (24 + 81) * 4] ! (illegal instr trap)
- rd %asr17, %l4
- st %l4, [%sp + (24 + 82) * 4]
- rd %asr18, %l4
- st %l4, [%sp + (24 + 83) * 4]
-! rd %asr19, %l4 ! must not read asr19
-! st %l4, [%sp + (24 + 84) * 4] ! (halts the CPU)
- rd %asr20, %l4
- st %l4, [%sp + (24 + 85) * 4]
- rd %asr21, %l4
- st %l4, [%sp + (24 + 86) * 4]
- rd %asr22, %l4
- st %l4, [%sp + (24 + 87) * 4]
-
-! End of saving asr regs
-
- call _handle_exception
- add %sp, 24 * 4, %o0 ! Pass address of registers
-
-! Reload all of the registers that aren't on the stack
-
- ld [%sp + (24 + 1) * 4], %g1 ! registers[Gx]
- ldd [%sp + (24 + 2) * 4], %g2
- ldd [%sp + (24 + 4) * 4], %g4
- ldd [%sp + (24 + 6) * 4], %g6
-
- ldd [%sp + (24 + 8) * 4], %i0 ! registers[Ox]
- ldd [%sp + (24 + 10) * 4], %i2
- ldd [%sp + (24 + 12) * 4], %i4
- ldd [%sp + (24 + 14) * 4], %i6
-
- ! FP regs (sparclet doesn't have fpu)
-
-! Update the coprocessor registers.
-! See SK/demo/hdlc_demo/ldc_swap_context.S.
-
- mov %psr, %l0
- sethi %hi(0x2000), %l5 ! EC bit in PSR
- or %l5, %l0, %l5
- mov %l5, %psr ! enable coprocessor
- nop ! 3 nops after write to %psr (needed?)
- nop
- nop
-
- mov 0x6, %l2
- cwrcxt %l2, %ccsr ! set CCP state machine for CCFR
-
- ld [%sp + (24 + 72) * 4], %l1 ! saved CCSR
- ld [%sp + (24 + 75) * 4], %l2 ! saved CCOR
- ld [%sp + (24 + 76) * 4], %l3 ! saved CCOBR
- ld [%sp + (24 + 77) * 4], %l4 ! saved CCIBR
- ld [%sp + (24 + 78) * 4], %l5 ! saved CCIR
- ld [%sp + (24 + 73) * 4], %l6 ! saved CCPR
- ld [%sp + (24 + 74) * 4], %l7 ! saved CCCRCR
-
- cwrcxt %l2, %ccfr ! restore CCOR
- cwrcxt %l3, %ccfr ! restore CCOBR
- cwrcxt %l4, %ccfr ! restore CCIBR
- cwrcxt %l5, %ccfr ! restore CCIR
- cwrcxt %l6, %ccpr ! restore CCPR
- cwrcxt %l7, %cccrcr ! restore CCCRCR
- cwrcxt %l1, %ccsr ! restore CCSR
-
- mov %l0, %psr ! restore PSR
- nop ! 3 nops after write to %psr (needed?)
- nop
- nop
-
-! End of coprocessor handling stuff.
-! Update asr regs
-
- ld [%sp + (24 + 80) * 4], %l4
- wr %l4, %asr1
-! ld [%sp + (24 + 81) * 4], %l4 ! can't write asr15
-! wr %l4, %asr15
- ld [%sp + (24 + 82) * 4], %l4
- wr %l4, %asr17
- ld [%sp + (24 + 83) * 4], %l4
- wr %l4, %asr18
-! ld [%sp + (24 + 84) * 4], %l4 ! can't write asr19
-! wr %l4, %asr19
-! ld [%sp + (24 + 85) * 4], %l4 ! can't write asr20
-! wr %l4, %asr20
-! ld [%sp + (24 + 86) * 4], %l4 ! can't write asr21
-! wr %l4, %asr21
- ld [%sp + (24 + 87) * 4], %l4
- wr %l4, %asr22
-
-! End of restoring asr regs
-
-
- ldd [%sp + (24 + 64) * 4], %l0 ! Y & PSR
- ldd [%sp + (24 + 68) * 4], %l2 ! PC & NPC
-
- restore ! Ensure that previous window is valid
- save %g0, %g0, %g0 ! by causing a window_underflow trap
-
- mov %l0, %y
- mov %l1, %psr ! Make sure that traps are disabled
- ! for rett
- nop ! 3 nops after write to %psr (needed?)
- nop
- nop
-
- sethi %hi(in_trap_handler), %l4
- ld [%lo(in_trap_handler) + %l4], %l5
- dec %l5
- st %l5, [%lo(in_trap_handler) + %l4]
-
- jmpl %l2, %g0 ! Restore old PC
- rett %l3 ! Restore old nPC
-");
-
-/* Convert ch from a hex digit to an int */
-
-static int
-hex(ch)
- unsigned char ch;
-{
- if (ch >= 'a' && ch <= 'f')
- return ch-'a'+10;
- if (ch >= '0' && ch <= '9')
- return ch-'0';
- if (ch >= 'A' && ch <= 'F')
- return ch-'A'+10;
- return -1;
-}
-
-/* scan for the sequence $<data>#<checksum> */
-
-static void
-getpacket(buffer)
- char *buffer;
-{
- unsigned char checksum;
- unsigned char xmitcsum;
- int i;
- int count;
- unsigned char ch;
-
- do
- {
- /* wait around for the start character, ignore all other characters */
- while ((ch = (getDebugChar() & 0x7f)) != '$')
- ;
-
- checksum = 0;
- xmitcsum = -1;
-
- count = 0;
-
- /* now, read until a # or end of buffer is found */
- while (count < BUFMAX)
- {
- ch = getDebugChar() & 0x7f;
- if (ch == '#')
- break;
- checksum = checksum + ch;
- buffer[count] = ch;
- count = count + 1;
- }
-
- if (count >= BUFMAX)
- continue;
-
- buffer[count] = 0;
-
- if (ch == '#')
- {
- xmitcsum = hex(ch = getDebugChar() & 0x7f) << 4;
- xmitcsum |= hex(ch = getDebugChar() & 0x7f);
-
- if (checksum != xmitcsum)
- putDebugChar('-'); /* failed checksum */
- else
- {
- putDebugChar('+'); /* successful transfer */
- /* if a sequence char is present, reply the sequence ID */
- if (buffer[2] == ':')
- {
- putDebugChar(buffer[0]);
- putDebugChar(buffer[1]);
- /* remove sequence chars from buffer */
- count = strlen(buffer);
- for (i=3; i <= count; i++)
- buffer[i-3] = buffer[i];
- }
- }
- }
- }
- while (checksum != xmitcsum);
-}
-
-/* send the packet in buffer. */
-
-static void
-putpacket(buffer)
- unsigned char *buffer;
-{
- unsigned char checksum;
- int count;
- unsigned char ch;
-
- /* $<packet info>#<checksum>. */
- do
- {
- putDebugChar('$');
- checksum = 0;
- count = 0;
-
- while (ch = buffer[count])
- {
- if (! putDebugChar(ch))
- return;
- checksum += ch;
- count += 1;
- }
-
- putDebugChar('#');
- putDebugChar(hexchars[checksum >> 4]);
- putDebugChar(hexchars[checksum & 0xf]);
-
- }
- while ((getDebugChar() & 0x7f) != '+');
-}
-
-static char remcomInBuffer[BUFMAX];
-static char remcomOutBuffer[BUFMAX];
-
-/* Indicate to caller of mem2hex or hex2mem that there has been an
- error. */
-static volatile int mem_err = 0;
-
-/* Convert the memory pointed to by mem into hex, placing result in buf.
- * Return a pointer to the last char put in buf (null), in case of mem fault,
- * return 0.
- * If MAY_FAULT is non-zero, then we will handle memory faults by returning
- * a 0, else treat a fault like any other fault in the stub.
- */
-
-static unsigned char *
-mem2hex(mem, buf, count, may_fault)
- unsigned char *mem;
- unsigned char *buf;
- int count;
- int may_fault;
-{
- unsigned char ch;
-
- set_mem_fault_trap(may_fault);
-
- while (count-- > 0)
- {
- ch = *mem++;
- if (mem_err)
- return 0;
- *buf++ = hexchars[ch >> 4];
- *buf++ = hexchars[ch & 0xf];
- }
-
- *buf = 0;
-
- set_mem_fault_trap(0);
-
- return buf;
-}
-
-/* convert the hex array pointed to by buf into binary to be placed in mem
- * return a pointer to the character AFTER the last byte written */
-
-static char *
-hex2mem(buf, mem, count, may_fault)
- unsigned char *buf;
- unsigned char *mem;
- int count;
- int may_fault;
-{
- int i;
- unsigned char ch;
-
- set_mem_fault_trap(may_fault);
-
- for (i=0; i<count; i++)
- {
- ch = hex(*buf++) << 4;
- ch |= hex(*buf++);
- *mem++ = ch;
- if (mem_err)
- return 0;
- }
-
- set_mem_fault_trap(0);
-
- return mem;
-}
-
-/* This table contains the mapping between SPARC hardware trap types, and
- signals, which are primarily what GDB understands. It also indicates
- which hardware traps we need to commandeer when initializing the stub. */
-
-static struct hard_trap_info
-{
- unsigned char tt; /* Trap type code for SPARClite */
- unsigned char signo; /* Signal that we map this trap into */
-} hard_trap_info[] = {
- {1, SIGSEGV}, /* instruction access exception */
- {0x3b, SIGSEGV}, /* instruction access error */
- {2, SIGILL}, /* illegal instruction */
- {3, SIGILL}, /* privileged instruction */
- {4, SIGEMT}, /* fp disabled */
- {0x24, SIGEMT}, /* cp disabled */
- {7, SIGBUS}, /* mem address not aligned */
- {0x29, SIGSEGV}, /* data access exception */
- {10, SIGEMT}, /* tag overflow */
- {128+1, SIGTRAP}, /* ta 1 - normal breakpoint instruction */
- {0, 0} /* Must be last */
-};
-
-/* Set up exception handlers for tracing and breakpoints */
-
-void
-set_debug_traps()
-{
- struct hard_trap_info *ht;
-
- for (ht = hard_trap_info; ht->tt && ht->signo; ht++)
- exceptionHandler(ht->tt, trap_low);
-
- /* In case GDB is started before us, ack any packets (presumably
- "$?#xx") sitting there. */
- putDebugChar ('+');
-
- initialized = 1;
-}
-
-asm ("
-! Trap handler for memory errors. This just sets mem_err to be non-zero. It
-! assumes that %l1 is non-zero. This should be safe, as it is doubtful that
-! 0 would ever contain code that could mem fault. This routine will skip
-! past the faulting instruction after setting mem_err.
-
- .text
- .align 4
-
-_fltr_set_mem_err:
- sethi %hi(_mem_err), %l0
- st %l1, [%l0 + %lo(_mem_err)]
- jmpl %l2, %g0
- rett %l2+4
-");
-
-static void
-set_mem_fault_trap(enable)
- int enable;
-{
- extern void fltr_set_mem_err();
- mem_err = 0;
-
- if (enable)
- exceptionHandler(0x29, fltr_set_mem_err);
- else
- exceptionHandler(0x29, trap_low);
-}
-
-asm ("
- .text
- .align 4
-
-_dummy_hw_breakpoint:
- jmpl %l2, %g0
- rett %l2+4
- nop
- nop
-");
-
-static void
-set_hw_breakpoint_trap(enable)
- int enable;
-{
- extern void dummy_hw_breakpoint();
-
- if (enable)
- exceptionHandler(255, dummy_hw_breakpoint);
- else
- exceptionHandler(255, trap_low);
-}
-
-static void
-get_in_break_mode()
-{
-#if 0
- int x;
- mesg("get_in_break_mode, sp = ");
- phex(&x);
-#endif
- set_hw_breakpoint_trap(1);
-
- asm("
- sethi %hi(0xff10), %l4
- or %l4, %lo(0xff10), %l4
- sta %g0, [%l4]0x1
- nop
- nop
- nop
- ");
-
- set_hw_breakpoint_trap(0);
-}
-
-/* Convert the SPARC hardware trap type code to a unix signal number. */
-
-static int
-computeSignal(tt)
- int tt;
-{
- struct hard_trap_info *ht;
-
- for (ht = hard_trap_info; ht->tt && ht->signo; ht++)
- if (ht->tt == tt)
- return ht->signo;
-
- return SIGHUP; /* default for things we don't know about */
-}
-
-/*
- * While we find nice hex chars, build an int.
- * Return number of chars processed.
- */
-
-static int
-hexToInt(char **ptr, int *intValue)
-{
- int numChars = 0;
- int hexValue;
-
- *intValue = 0;
-
- while (**ptr)
- {
- hexValue = hex(**ptr);
- if (hexValue < 0)
- break;
-
- *intValue = (*intValue << 4) | hexValue;
- numChars ++;
-
- (*ptr)++;
- }
-
- return (numChars);
-}
-
-/*
- * This function does all command procesing for interfacing to gdb. It
- * returns 1 if you should skip the instruction at the trap address, 0
- * otherwise.
- */
-
-static void
-handle_exception (registers)
- unsigned long *registers;
-{
- int tt; /* Trap type */
- int sigval;
- int addr;
- int length;
- char *ptr;
- unsigned long *sp;
- unsigned long dsr;
-
-/* First, we must force all of the windows to be spilled out */
-
- asm("
- ! Ugh. sparclet has broken save
- !save %sp, -64, %sp
- save
- add %fp,-64,%sp
- !save %sp, -64, %sp
- save
- add %fp,-64,%sp
- !save %sp, -64, %sp
- save
- add %fp,-64,%sp
- !save %sp, -64, %sp
- save
- add %fp,-64,%sp
- !save %sp, -64, %sp
- save
- add %fp,-64,%sp
- !save %sp, -64, %sp
- save
- add %fp,-64,%sp
- !save %sp, -64, %sp
- save
- add %fp,-64,%sp
- !save %sp, -64, %sp
- save
- add %fp,-64,%sp
- restore
- restore
- restore
- restore
- restore
- restore
- restore
- restore
-");
-
- if (registers[PC] == (unsigned long)breakinst)
- {
- registers[PC] = registers[NPC];
- registers[NPC] += 4;
- }
- sp = (unsigned long *)registers[SP];
-
- tt = (registers[TBR] >> 4) & 0xff;
-
- /* reply to host that an exception has occurred */
- sigval = computeSignal(tt);
- ptr = remcomOutBuffer;
-
- *ptr++ = 'T';
- *ptr++ = hexchars[sigval >> 4];
- *ptr++ = hexchars[sigval & 0xf];
-
- *ptr++ = hexchars[PC >> 4];
- *ptr++ = hexchars[PC & 0xf];
- *ptr++ = ':';
- ptr = mem2hex((char *)&registers[PC], ptr, 4, 0);
- *ptr++ = ';';
-
- *ptr++ = hexchars[FP >> 4];
- *ptr++ = hexchars[FP & 0xf];
- *ptr++ = ':';
- ptr = mem2hex(sp + 8 + 6, ptr, 4, 0); /* FP */
- *ptr++ = ';';
-
- *ptr++ = hexchars[SP >> 4];
- *ptr++ = hexchars[SP & 0xf];
- *ptr++ = ':';
- ptr = mem2hex((char *)&sp, ptr, 4, 0);
- *ptr++ = ';';
-
- *ptr++ = hexchars[NPC >> 4];
- *ptr++ = hexchars[NPC & 0xf];
- *ptr++ = ':';
- ptr = mem2hex((char *)&registers[NPC], ptr, 4, 0);
- *ptr++ = ';';
-
- *ptr++ = hexchars[O7 >> 4];
- *ptr++ = hexchars[O7 & 0xf];
- *ptr++ = ':';
- ptr = mem2hex((char *)&registers[O7], ptr, 4, 0);
- *ptr++ = ';';
-
- *ptr++ = 0;
-
- putpacket(remcomOutBuffer);
-
- while (1)
- {
- remcomOutBuffer[0] = 0;
-
- getpacket(remcomInBuffer);
- switch (remcomInBuffer[0])
- {
- case '?':
- remcomOutBuffer[0] = 'S';
- remcomOutBuffer[1] = hexchars[sigval >> 4];
- remcomOutBuffer[2] = hexchars[sigval & 0xf];
- remcomOutBuffer[3] = 0;
- break;
-
- case 'd':
- remote_debug = !(remote_debug); /* toggle debug flag */
- break;
-
- case 'g': /* return the value of the CPU registers */
- {
- ptr = remcomOutBuffer;
- ptr = mem2hex((char *)registers, ptr, 16 * 4, 0); /* G & O regs */
- ptr = mem2hex(sp + 0, ptr, 16 * 4, 0); /* L & I regs */
- memset(ptr, '0', 32 * 8); /* Floating point */
- ptr = mem2hex((char *)&registers[Y],
- ptr + 32 * 4 * 2,
- 8 * 4,
- 0); /* Y, PSR, WIM, TBR, PC, NPC, FPSR, CPSR */
- ptr = mem2hex((char *)&registers[CCSR],
- ptr,
- 8 * 4,
- 0); /* CCSR, CCPR, CCCRCR, CCOR, CCOBR, CCIBR, CCIR */
- ptr = mem2hex((char *)&registers[ASR1],
- ptr,
- 8 * 4,
- 0); /* ASR1,ASR15,ASR17,ASR18,ASR19,ASR20,ASR21,ASR22 */
-#if 0 /* not implemented */
- ptr = mem2hex((char *) &registers[AWR0],
- ptr,
- 32 * 4,
- 0); /* Alternate Window Registers */
-#endif
- }
- break;
-
- case 'G': /* set value of all the CPU registers - return OK */
- case 'P': /* set value of one CPU register - return OK */
- {
- unsigned long *newsp, psr;
-
- psr = registers[PSR];
-
- ptr = &remcomInBuffer[1];
-
- if (remcomInBuffer[0] == 'P') /* do a single register */
- {
- int regno;
-
- if (hexToInt (&ptr, &regno)
- && *ptr++ == '=')
- if (regno >= L0 && regno <= I7)
- hex2mem (ptr, sp + regno - L0, 4, 0);
- else
- hex2mem (ptr, (char *)&registers[regno], 4, 0);
- else
- {
- strcpy (remcomOutBuffer, "P01");
- break;
- }
- }
- else
- {
- hex2mem(ptr, (char *)registers, 16 * 4, 0); /* G & O regs */
- hex2mem(ptr + 16 * 4 * 2, sp + 0, 16 * 4, 0); /* L & I regs */
- hex2mem(ptr + 64 * 4 * 2, (char *)&registers[Y],
- 8 * 4, 0); /* Y,PSR,WIM,TBR,PC,NPC,FPSR,CPSR */
- hex2mem(ptr + 72 * 4 * 2, (char *)&registers[CCSR],
- 8 * 4, 0); /* CCSR,CCPR,CCCRCR,CCOR,CCOBR,CCIBR,CCIR */
- hex2mem(ptr + 80 * 4 * 2, (char *)&registers[ASR1],
- 8 * 4, 0); /* ASR1 ... ASR22 */
-#if 0 /* not implemented */
- hex2mem(ptr + 88 * 4 * 2, (char *)&registers[AWR0],
- 8 * 4, 0); /* Alternate Window Registers */
-#endif
- }
- /* See if the stack pointer has moved. If so, then copy the saved
- locals and ins to the new location. This keeps the window
- overflow and underflow routines happy. */
-
- newsp = (unsigned long *)registers[SP];
- if (sp != newsp)
- sp = memcpy(newsp, sp, 16 * 4);
-
- /* Don't allow CWP to be modified. */
-
- if (psr != registers[PSR])
- registers[PSR] = (psr & 0x1f) | (registers[PSR] & ~0x1f);
-
- strcpy(remcomOutBuffer,"OK");
- }
- break;
-
- case 'm': /* mAA..AA,LLLL Read LLLL bytes at address AA..AA */
- /* Try to read %x,%x. */
-
- ptr = &remcomInBuffer[1];
-
- if (hexToInt(&ptr, &addr)
- && *ptr++ == ','
- && hexToInt(&ptr, &length))
- {
- if (mem2hex((char *)addr, remcomOutBuffer, length, 1))
- break;
-
- strcpy (remcomOutBuffer, "E03");
- }
- else
- strcpy(remcomOutBuffer,"E01");
- break;
-
- case 'M': /* MAA..AA,LLLL: Write LLLL bytes at address AA.AA return OK */
- /* Try to read '%x,%x:'. */
-
- ptr = &remcomInBuffer[1];
-
- if (hexToInt(&ptr, &addr)
- && *ptr++ == ','
- && hexToInt(&ptr, &length)
- && *ptr++ == ':')
- {
- if (hex2mem(ptr, (char *)addr, length, 1))
- strcpy(remcomOutBuffer, "OK");
- else
- strcpy(remcomOutBuffer, "E03");
- }
- else
- strcpy(remcomOutBuffer, "E02");
- break;
-
- case 'c': /* cAA..AA Continue at address AA..AA(optional) */
- /* try to read optional parameter, pc unchanged if no parm */
-
- ptr = &remcomInBuffer[1];
- if (hexToInt(&ptr, &addr))
- {
- registers[PC] = addr;
- registers[NPC] = addr + 4;
- }
-
-/* Need to flush the instruction cache here, as we may have deposited a
- breakpoint, and the icache probably has no way of knowing that a data ref to
- some location may have changed something that is in the instruction cache.
- */
-
- flush_i_cache();
- return;
-
- /* kill the program */
- case 'k' : /* do nothing */
- break;
-#if 0
- case 't': /* Test feature */
- asm (" std %f30,[%sp]");
- break;
-#endif
- case 'r': /* Reset */
- asm ("call 0
- nop ");
- break;
-
-#if 0
-Disabled until we can unscrew this properly
-
- case 'b': /* bBB... Set baud rate to BB... */
- {
- int baudrate;
- extern void set_timer_3();
-
- ptr = &remcomInBuffer[1];
- if (!hexToInt(&ptr, &baudrate))
- {
- strcpy(remcomOutBuffer,"B01");
- break;
- }
-
- /* Convert baud rate to uart clock divider */
- switch (baudrate)
- {
- case 38400:
- baudrate = 16;
- break;
- case 19200:
- baudrate = 33;
- break;
- case 9600:
- baudrate = 65;
- break;
- default:
- strcpy(remcomOutBuffer,"B02");
- goto x1;
- }
-
- putpacket("OK"); /* Ack before changing speed */
- set_timer_3(baudrate); /* Set it */
- }
-x1: break;
-#endif
- } /* switch */
-
- /* reply to the request */
- putpacket(remcomOutBuffer);
- }
-}
-
-/* This function will generate a breakpoint exception. It is used at the
- beginning of a program to sync up with a debugger and can be used
- otherwise as a quick means to stop program execution and "break" into
- the debugger. */
-
-void
-breakpoint()
-{
- if (!initialized)
- return;
-
- asm(" .globl _breakinst
-
- _breakinst: ta 1
- ");
-}
-
-static void
-hw_breakpoint()
-{
- asm("
- ta 127
- ");
-}
-
-#if 0 /* experimental and never finished, left here for reference */
-static void
-splet_temp(void)
-{
- asm(" sub %sp,(16+1+6+1+121)*4,%sp ! Make room for input & locals
- ! + hidden arg + arg spill
- ! + doubleword alignment
- ! + registers[121]
-
-! Leave a trail of breadcrumbs! (save register save area for debugging)
- mov %sp, %l0
- add %l0, 24*4, %l0
- sethi %hi(_debug_registers), %l1
- st %l0, [%lo(_debug_registers) + %l1]
-
-! Save the Alternate Register Set: (not implemented yet)
-! To save the Alternate Register set, we must:
-! 1) Save the current SP in some global location.
-! 2) Swap the register sets.
-! 3) Save the Alternate SP in the Y register
-! 4) Fetch the SP that we saved in step 1.
-! 5) Use that to save the rest of the regs (not forgetting ASP in Y)
-! 6) Restore the Alternate SP from Y
-! 7) Swap the registers back.
-
-! 1) Copy the current stack pointer to global _SAVED_STACK_POINTER:
- sethi %hi(_saved_stack_pointer), %l0
- st %sp, [%lo(_saved_stack_pointer) + %l0]
-
-! 2) Swap the register sets:
- mov %psr, %l1
- sethi %hi(0x10000), %l2
- xor %l1, %l2, %l1
- mov %l1, %psr
- nop ! 3 nops after write to %psr (needed?)
- nop
- nop
-
-! 3) Save Alternate L0 in Y
- wr %l0, 0, %y
-
-! 4) Load former SP into alternate SP, using L0
- sethi %hi(_saved_stack_pointer), %l0
- or %lo(_saved_stack_pointer), %l0, %l0
- swap [%l0], %sp
-
-! 4.5) Restore alternate L0
- rd %y, %l0
-
-! 5) Save the Alternate Window Registers
- st %r0, [%sp + (24 + 88) * 4] ! AWR0
- st %r1, [%sp + (24 + 89) * 4] ! AWR1
- st %r2, [%sp + (24 + 90) * 4] ! AWR2
- st %r3, [%sp + (24 + 91) * 4] ! AWR3
- st %r4, [%sp + (24 + 92) * 4] ! AWR4
- st %r5, [%sp + (24 + 93) * 4] ! AWR5
- st %r6, [%sp + (24 + 94) * 4] ! AWR6
- st %r7, [%sp + (24 + 95) * 4] ! AWR7
- st %r8, [%sp + (24 + 96) * 4] ! AWR8
- st %r9, [%sp + (24 + 97) * 4] ! AWR9
- st %r10, [%sp + (24 + 98) * 4] ! AWR10
- st %r11, [%sp + (24 + 99) * 4] ! AWR11
- st %r12, [%sp + (24 + 100) * 4] ! AWR12
- st %r13, [%sp + (24 + 101) * 4] ! AWR13
-! st %r14, [%sp + (24 + 102) * 4] ! AWR14 (SP)
- st %r15, [%sp + (24 + 103) * 4] ! AWR15
- st %r16, [%sp + (24 + 104) * 4] ! AWR16
- st %r17, [%sp + (24 + 105) * 4] ! AWR17
- st %r18, [%sp + (24 + 106) * 4] ! AWR18
- st %r19, [%sp + (24 + 107) * 4] ! AWR19
- st %r20, [%sp + (24 + 108) * 4] ! AWR20
- st %r21, [%sp + (24 + 109) * 4] ! AWR21
- st %r22, [%sp + (24 + 110) * 4] ! AWR22
- st %r23, [%sp + (24 + 111) * 4] ! AWR23
- st %r24, [%sp + (24 + 112) * 4] ! AWR24
- st %r25, [%sp + (24 + 113) * 4] ! AWR25
- st %r26, [%sp + (24 + 114) * 4] ! AWR26
- st %r27, [%sp + (24 + 115) * 4] ! AWR27
- st %r28, [%sp + (24 + 116) * 4] ! AWR28
- st %r29, [%sp + (24 + 117) * 4] ! AWR29
- st %r30, [%sp + (24 + 118) * 4] ! AWR30
- st %r31, [%sp + (24 + 119) * 4] ! AWR21
-
-! Get the Alternate PSR (I hope...)
-
- rd %psr, %l2
- st %l2, [%sp + (24 + 120) * 4] ! APSR
-
-! Don't forget the alternate stack pointer
-
- rd %y, %l3
- st %l3, [%sp + (24 + 102) * 4] ! AWR14 (SP)
-
-! 6) Restore the Alternate SP (saved in Y)
-
- rd %y, %o6
-
-
-! 7) Swap the registers back:
-
- mov %psr, %l1
- sethi %hi(0x10000), %l2
- xor %l1, %l2, %l1
- mov %l1, %psr
- nop ! 3 nops after write to %psr (needed?)
- nop
- nop
-");
-}
-
-#endif
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