diff options
| author | fsmp <fsmp@FreeBSD.org> | 1997-06-27 23:24:38 +0000 |
|---|---|---|
| committer | fsmp <fsmp@FreeBSD.org> | 1997-06-27 23:24:38 +0000 |
| commit | 4038c31428a5ab8661cab2264fb1249ca6e3ae5c (patch) | |
| tree | 1d4a9814ceba82d77c07ea72b7183afc733b4c76 /sys | |
| parent | a30e0bc8c5ab0ce07f2fa78bcd0f968921fcf232 (diff) | |
| download | FreeBSD-src-4038c31428a5ab8661cab2264fb1249ca6e3ae5c.zip FreeBSD-src-4038c31428a5ab8661cab2264fb1249ca6e3ae5c.tar.gz | |
Experimental calls to stop_cpus()/restart_cpus() within breakpoint calls.
Turned off by default in smptests.h.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/amd64/amd64/db_interface.c | 21 | ||||
| -rw-r--r-- | sys/i386/i386/db_interface.c | 21 |
2 files changed, 40 insertions, 2 deletions
diff --git a/sys/amd64/amd64/db_interface.c b/sys/amd64/amd64/db_interface.c index 5f028b0..2b31d8e 100644 --- a/sys/amd64/amd64/db_interface.c +++ b/sys/amd64/amd64/db_interface.c @@ -23,7 +23,7 @@ * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. * - * $Id: db_interface.c,v 1.28 1997/04/26 11:45:03 peter Exp $ + * $Id: db_interface.c,v 1.1 1997/06/26 18:40:55 smp Exp smp $ */ /* @@ -38,6 +38,10 @@ #include <machine/cons.h> #include <machine/md_var.h> #include <machine/segments.h> +#ifdef SMP +#include <machine/smp.h> +#include <machine/smptests.h> /** TEST_CPUSTOP */ +#endif #include <vm/vm.h> #include <vm/vm_param.h> @@ -134,6 +138,11 @@ kdb_trap(type, code, regs) cnpollc(TRUE); +#if defined(SMP) && defined(TEST_CPUSTOP) + /* we stopp all CPUs except ourselves (obviously) */ + stop_cpus(other_cpus); +#endif /* SMP && TEST_CPUSTOP */ + (void) setjmp(db_global_jmpbuf); db_global_jmpbuf_valid = TRUE; if (ddb_mode) @@ -142,6 +151,16 @@ kdb_trap(type, code, regs) gdb_handle_exception(&ddb_regs, type, code); db_global_jmpbuf_valid = FALSE; +#if defined(SMP) && defined(TEST_CPUSTOP) + /* restart all the CPUs we previously stopped */ + if (stopped_cpus != other_cpus) { + db_printf("whoa, other_cpus: 0x%08x, stopped_cpus: 0x%08x\n", + other_cpus, stopped_cpus); + cngetc(); + } + restart_cpus(stopped_cpus); +#endif /* SMP && TEST_CPUSTOP */ + cnpollc(FALSE); regs->tf_eip = ddb_regs.tf_eip; diff --git a/sys/i386/i386/db_interface.c b/sys/i386/i386/db_interface.c index 5f028b0..2b31d8e 100644 --- a/sys/i386/i386/db_interface.c +++ b/sys/i386/i386/db_interface.c @@ -23,7 +23,7 @@ * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. * - * $Id: db_interface.c,v 1.28 1997/04/26 11:45:03 peter Exp $ + * $Id: db_interface.c,v 1.1 1997/06/26 18:40:55 smp Exp smp $ */ /* @@ -38,6 +38,10 @@ #include <machine/cons.h> #include <machine/md_var.h> #include <machine/segments.h> +#ifdef SMP +#include <machine/smp.h> +#include <machine/smptests.h> /** TEST_CPUSTOP */ +#endif #include <vm/vm.h> #include <vm/vm_param.h> @@ -134,6 +138,11 @@ kdb_trap(type, code, regs) cnpollc(TRUE); +#if defined(SMP) && defined(TEST_CPUSTOP) + /* we stopp all CPUs except ourselves (obviously) */ + stop_cpus(other_cpus); +#endif /* SMP && TEST_CPUSTOP */ + (void) setjmp(db_global_jmpbuf); db_global_jmpbuf_valid = TRUE; if (ddb_mode) @@ -142,6 +151,16 @@ kdb_trap(type, code, regs) gdb_handle_exception(&ddb_regs, type, code); db_global_jmpbuf_valid = FALSE; +#if defined(SMP) && defined(TEST_CPUSTOP) + /* restart all the CPUs we previously stopped */ + if (stopped_cpus != other_cpus) { + db_printf("whoa, other_cpus: 0x%08x, stopped_cpus: 0x%08x\n", + other_cpus, stopped_cpus); + cngetc(); + } + restart_cpus(stopped_cpus); +#endif /* SMP && TEST_CPUSTOP */ + cnpollc(FALSE); regs->tf_eip = ddb_regs.tf_eip; |
