diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/i386/stand/libsa/Makefile | 4 | ||||
| -rw-r--r-- | sys/arch/i386/stand/libsa/exec_i386.c | 45 | ||||
| -rw-r--r-- | sys/arch/i386/stand/libsa/startprog.S | 4 |
3 files changed, 39 insertions, 14 deletions
diff --git a/sys/arch/i386/stand/libsa/Makefile b/sys/arch/i386/stand/libsa/Makefile index 42b2feed81e..4d9b58bcbfe 100644 --- a/sys/arch/i386/stand/libsa/Makefile +++ b/sys/arch/i386/stand/libsa/Makefile @@ -1,11 +1,11 @@ -# $OpenBSD: Makefile,v 1.2 1997/03/31 03:12:08 weingart Exp $ +# $OpenBSD: Makefile,v 1.3 1997/03/31 05:52:24 weingart Exp $ LIB= sa CFLAGS+=-Wall #CFLAGS+=-DBIOS_DEBUG -CFLAGS+=-DEXEC_DEBUG +#CFLAGS+=-DEXEC_DEBUG CFLAGS+=-DNO_IDTR CFLAGS+=-DHEAP_START="0x10000" CFLAGS+=-DHEAP_LIMIT="0xa0000" diff --git a/sys/arch/i386/stand/libsa/exec_i386.c b/sys/arch/i386/stand/libsa/exec_i386.c index 3a437498264..f9eb127a3b9 100644 --- a/sys/arch/i386/stand/libsa/exec_i386.c +++ b/sys/arch/i386/stand/libsa/exec_i386.c @@ -1,5 +1,5 @@ -/* $OpenBSD: exec_i386.c,v 1.1 1997/03/31 03:12:13 weingart Exp $ */ +/* $OpenBSD: exec_i386.c,v 1.2 1997/03/31 05:52:25 weingart Exp $ */ #include <sys/param.h> #include <sys/exec.h> @@ -13,9 +13,25 @@ machdep_start(startaddr, howto, loadaddr, ssym, esym) int howto; { static int argv[9]; - static int (*x_entry)() = 0; + struct exec *x; + + +#ifdef DEBUG + x = (void *)loadaddr; + printf("exec {\n"); + printf(" a_midmag = %lx\n", x->a_midmag); + printf(" a_text = %lx\n", x->a_text); + printf(" a_data = %lx\n", x->a_data); + printf(" a_bss = %lx\n", x->a_bss); + printf(" a_syms = %lx\n", x->a_syms); + printf(" a_entry = %lx\n", x->a_entry); + printf(" a_trsize = %lx\n", x->a_trsize); + printf(" a_drsize = %lx\n", x->a_drsize); + printf("}\n"); + + getchar(); +#endif - x_entry = (void *)startaddr; (int)startaddr &= 0xffffff; /* @@ -25,7 +41,7 @@ machdep_start(startaddr, howto, loadaddr, ssym, esym) * arg0 = 8 (magic) * arg1 = boot flags * arg2 = boot device - * arg3 = start of symbol table (0 if not loaded) + * arg3 = Cylinder offset (XXX - used to be ssym) * arg4 = end of symbol table (0 if not loaded) * arg5 = transfer address from image * arg6 = transfer address for next image pointer @@ -34,13 +50,22 @@ machdep_start(startaddr, howto, loadaddr, ssym, esym) */ argv[0] = 8; argv[1] = howto; - argv[2] = 0; /* Boot device */ - argv[3] = 0; /* Cyl offset */ - argv[4] = (int)esym; + argv[2] = bootdev; /* Boot device */ + argv[3] = 0; /* Cyl offset */ + argv[4] = 0; argv[5] = (int)startaddr; - argv[6] = (int)&x_entry; - argv[7] = 0; - argv[8] = 0; + argv[6] = 0; + argv[7] = memsize(0); + argv[8] = memsize(1); + +#ifdef DEBUG + { int i; + for(i = 0; i <= argv[0]; i++) + printf("argv[%d] = %x\n", i, argv[i]); + + getchar(); + } +#endif /****************************************************************/ /* copy that first page and overwrite any BIOS variables */ diff --git a/sys/arch/i386/stand/libsa/startprog.S b/sys/arch/i386/stand/libsa/startprog.S index e1f4e267a43..465c8f888a5 100644 --- a/sys/arch/i386/stand/libsa/startprog.S +++ b/sys/arch/i386/stand/libsa/startprog.S @@ -1,4 +1,4 @@ -/* $OpenBSD: startprog.S,v 1.1 1997/03/31 03:12:17 weingart Exp $ */ +/* $OpenBSD: startprog.S,v 1.2 1997/03/31 05:52:25 weingart Exp $ */ #include <machine/asm.h> @@ -32,7 +32,7 @@ ENTRY(startprog) # push on our entry address movl $0x8, %ebx # segment - pushw %bx + pushl %bx pushl %ecx # convert over the other data segs |