Get basic /sbin/grub GUI working
This commit is contained in:
gord
parent
b296e6bad2
commit
b0016b886e
13 changed files with 373 additions and 146 deletions
38
ChangeLog
38
ChangeLog
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@ -1,5 +1,43 @@
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1999-03-13 Gordon Matzigkeit <gord@trick.fig.org>
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* shared_src/gunzip.c (border): Rename to bitorder, to resolve
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clash with curses.
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* shared_src/stage2.c (timeout): Rename to grub_timeout.
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* configure.in: Check for curses libraries for use with
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/sbin/grub.
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* shared_src/shared.h (KEY_DELETE): Rename to KEY_DC, for
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compatibility with curses.
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(KEY_INSERT): Rename to KEY_IC.
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(KEY_PGDN): Rename to KEY_NPAGE.
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(KEY_PGUP): Rename to KEY_PPAGE.
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* shared_src/asm.S (asm_getkey): Renamed to getkey.
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* shared_src/char_io.c (getkey): Delete, because it's useless.
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* shared_src/shared.h: Resolve name clashes with libc by renaming
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overlapping functions to have grub_ prefixes, then defining
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macros.
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* grub/asmstub.c (start_stage2): Make some assertions about our
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scratch memory area.
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* shared_src/shared.h (end): Delete declaration.
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(RAW_ADDR, RAW_SEG): Macros to redirect /sbin/grub memory requests
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through grub_scratch_mem.
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* grub/asmstub.c (get_mem_map): Implement, simulating 4MB
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contiguous memory.
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(get_code_end): Implement, simulating with a malloced area.
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grub/asmstub.c (start_stage2): Initialize grub_scratch_mem.
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* shared_src/asm.S (get_mem_map): Some BIOSes expect the high word
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of %eax to be zero.
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(get_code_end): Move this from common.c so that we can stub it out
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in the simulator.
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* debian/rules: Make sure info files end up in /usr/info, not
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/info.
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141
configure
vendored
141
configure
vendored
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@ -816,7 +816,6 @@ esac
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# Options
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#
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sbingrub=
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stage2debug=
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# Check whether --enable-sbin-grub or --disable-sbin-grub was given.
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if test "${enable_sbin_grub+set}" = set; then
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enableval="$enable_sbin_grub"
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@ -824,6 +823,8 @@ if test "${enable_sbin_grub+set}" = set; then
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fi
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stage2debug=
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# Check whether --enable-debug or --disable-debug was given.
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if test "${enable_debug+set}" = set; then
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enableval="$enable_debug"
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@ -832,14 +833,12 @@ fi
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#
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# Programs
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#
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echo $ac_n "checking build system type""... $ac_c" 1>&6
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echo "configure:843: checking build system type" >&5
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echo "configure:842: checking build system type" >&5
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build_alias=$build
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case "$build_alias" in
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@ -865,7 +864,7 @@ fi
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# Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
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set dummy ${ac_tool_prefix}gcc; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:869: checking for $ac_word" >&5
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echo "configure:868: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -896,7 +895,7 @@ fi
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# Extract the first word of "${ac_tool_prefix}ld", so it can be a program name with args.
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set dummy ${ac_tool_prefix}ld; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:900: checking for $ac_word" >&5
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echo "configure:899: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_LD'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -927,7 +926,7 @@ fi
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# Extract the first word of "${ac_tool_prefix}objcopy", so it can be a program name with args.
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set dummy ${ac_tool_prefix}objcopy; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:931: checking for $ac_word" >&5
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echo "configure:930: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_OBJCOPY'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -960,7 +959,7 @@ fi
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# Extract the first word of "gcc", so it can be a program name with args.
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set dummy gcc; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:964: checking for $ac_word" >&5
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echo "configure:963: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -989,7 +988,7 @@ if test -z "$CC"; then
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# Extract the first word of "cc", so it can be a program name with args.
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set dummy cc; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:993: checking for $ac_word" >&5
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echo "configure:992: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -1037,7 +1036,7 @@ fi
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fi
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echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
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echo "configure:1041: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
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echo "configure:1040: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
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ac_ext=c
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# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
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@ -1047,11 +1046,11 @@ ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS
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cross_compiling=$ac_cv_prog_cc_cross
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cat > conftest.$ac_ext <<EOF
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#line 1051 "configure"
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#line 1050 "configure"
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#include "confdefs.h"
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main(){return(0);}
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EOF
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if { (eval echo configure:1055: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
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if { (eval echo configure:1054: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
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ac_cv_prog_cc_works=yes
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# If we can't run a trivial program, we are probably using a cross compiler.
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if (./conftest; exit) 2>/dev/null; then
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@ -1071,12 +1070,12 @@ if test $ac_cv_prog_cc_works = no; then
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{ echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
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fi
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echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
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echo "configure:1075: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
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echo "configure:1074: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
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echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
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cross_compiling=$ac_cv_prog_cc_cross
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echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
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echo "configure:1080: checking whether we are using GNU C" >&5
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echo "configure:1079: checking whether we are using GNU C" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -1085,7 +1084,7 @@ else
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yes;
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#endif
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EOF
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if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1089: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
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if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1088: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
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ac_cv_prog_gcc=yes
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else
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ac_cv_prog_gcc=no
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@ -1100,7 +1099,7 @@ if test $ac_cv_prog_gcc = yes; then
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ac_save_CFLAGS="$CFLAGS"
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CFLAGS=
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echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
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echo "configure:1104: checking whether ${CC-cc} accepts -g" >&5
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echo "configure:1103: checking whether ${CC-cc} accepts -g" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -1129,7 +1128,7 @@ fi
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echo $ac_n "checking symbol names produced by ${CC-cc}""... $ac_c" 1>&6
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echo "configure:1133: checking symbol names produced by ${CC-cc}" >&5
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echo "configure:1132: checking symbol names produced by ${CC-cc}" >&5
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if eval "test \"`echo '$''{'grub_cv_asm_ext_c'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -1142,7 +1141,7 @@ func (int *list)
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}
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EOF
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if { ac_try='${CC-cc} -S conftest.c'; { (eval echo configure:1146: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } && test -s conftest.s; then :
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if { ac_try='${CC-cc} -S conftest.c'; { (eval echo configure:1145: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } && test -s conftest.s; then :
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else
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{ echo "configure: error: ${CC-cc} failed to produce assembly code" 1>&2; exit 1; }
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fi
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@ -1170,7 +1169,7 @@ EOF
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echo $ac_n "checking whether ${OBJCOPY} works for absolute addresses""... $ac_c" 1>&6
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echo "configure:1174: checking whether ${OBJCOPY} works for absolute addresses" >&5
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echo "configure:1173: checking whether ${OBJCOPY} works for absolute addresses" >&5
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if eval "test \"`echo '$''{'grub_cv_prog_objcopy_absolute'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -1182,21 +1181,21 @@ blah (void)
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}
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EOF
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if { (eval echo configure:1186: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.o; then :
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if { (eval echo configure:1185: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.o; then :
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else
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{ echo "configure: error: ${CC-cc} cannot compile C source code" 1>&2; exit 1; }
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fi
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grub_cv_prog_objcopy_absolute=yes
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for link_addr in 2000 8000 7C00; do
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if { ac_try='${LD-ld} -N -Ttext $link_addr conftest.o -o conftest.exec'; { (eval echo configure:1192: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then :
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if { ac_try='${LD-ld} -N -Ttext $link_addr conftest.o -o conftest.exec'; { (eval echo configure:1191: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then :
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else
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{ echo "configure: error: ${LD-ld} cannot link at address $link_addr" 1>&2; exit 1; }
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fi
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if { ac_try='${OBJCOPY-objcopy} -O binary conftest.exec conftest'; { (eval echo configure:1196: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then :
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if { ac_try='${OBJCOPY-objcopy} -O binary conftest.exec conftest'; { (eval echo configure:1195: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then :
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else
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{ echo "configure: error: ${OBJCOPY-objcopy} cannot create binary files" 1>&2; exit 1; }
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fi
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if test ! -f conftest.old || { ac_try='cmp -s conftest.old conftest'; { (eval echo configure:1200: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
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if test ! -f conftest.old || { ac_try='cmp -s conftest.old conftest'; { (eval echo configure:1199: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
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mv -f conftest conftest.old
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else
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grub_cv_prog_objcopy_absolute=no
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@ -1213,7 +1212,7 @@ fi
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echo $ac_n "checking for .code16 addr32 assembler support""... $ac_c" 1>&6
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echo "configure:1217: checking for .code16 addr32 assembler support" >&5
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echo "configure:1216: checking for .code16 addr32 assembler support" >&5
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if eval "test \"`echo '$''{'grub_cv_asm_addr32'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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movb %al, l1
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EOF
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if { ac_try='${CC-cc} -c conftest.s'; { (eval echo configure:1227: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } && test -s conftest.o; then
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if { ac_try='${CC-cc} -c conftest.s'; { (eval echo configure:1226: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } && test -s conftest.o; then
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grub_cv_asm_addr32=yes
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else
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grub_cv_asm_addr32=no
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{ echo "configure: error: GRUB requires GAS .code16 addr32 support; upgrade your binutils" 1>&2; exit 1; }
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fi
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# Check for curses libraries if we are building /sbin/grub.
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if test -n "$sbingrub"; then
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echo $ac_n "checking for getch in -lncurses""... $ac_c" 1>&6
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echo "configure:1242: checking for getch in -lncurses" >&5
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ac_lib_var=`echo ncurses'_'getch | sed 'y%./+-%__p_%'`
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if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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ac_save_LIBS="$LIBS"
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LIBS="-lncurses $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 1250 "configure"
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#include "confdefs.h"
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/* Override any gcc2 internal prototype to avoid an error. */
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/* We use char because int might match the return type of a gcc2
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builtin and then its argument prototype would still apply. */
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char getch();
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int main() {
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getch()
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; return 0; }
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EOF
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if { (eval echo configure:1261: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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echo "configure: failed program was:" >&5
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cat conftest.$ac_ext >&5
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=no"
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fi
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rm -f conftest*
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LIBS="$ac_save_LIBS"
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fi
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if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
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echo "$ac_t""yes" 1>&6
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LIBS="$LIBS -lncurses"
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cat >> confdefs.h <<\EOF
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#define HAVE_LIBCURSES 1
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EOF
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else
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echo "$ac_t""no" 1>&6
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echo $ac_n "checking for getch in -lcurses""... $ac_c" 1>&6
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echo "configure:1284: checking for getch in -lcurses" >&5
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ac_lib_var=`echo curses'_'getch | sed 'y%./+-%__p_%'`
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if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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ac_save_LIBS="$LIBS"
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LIBS="-lcurses $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 1292 "configure"
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#include "confdefs.h"
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/* Override any gcc2 internal prototype to avoid an error. */
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/* We use char because int might match the return type of a gcc2
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builtin and then its argument prototype would still apply. */
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char getch();
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int main() {
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getch()
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; return 0; }
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EOF
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if { (eval echo configure:1303: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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echo "configure: failed program was:" >&5
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cat conftest.$ac_ext >&5
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=no"
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fi
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rm -f conftest*
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LIBS="$ac_save_LIBS"
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fi
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if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
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echo "$ac_t""yes" 1>&6
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LIBS="$LIBS -lcurses"
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cat >> confdefs.h <<\EOF
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#define HAVE_LIBCURSES 1
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EOF
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else
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echo "$ac_t""no" 1>&6
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fi
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fi
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fi
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# Create rules for our shared sources.
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SHARED_SRC_RULES=./ssrcrules.mk
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echo creating $SHARED_SRC_RULES
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13
configure.in
13
configure.in
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@ -33,16 +33,15 @@ AC_SUBST(host_vendor)
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# Options
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#
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sbingrub=
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stage2debug=
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AC_ARG_ENABLE(sbin-grub,
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[ --enable-sbin-grub build /sbin/grub command-line utility],
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[test "x$enableval" = xno || sbingrub=grub])
|
||||
AC_SUBST(sbingrub)
|
||||
|
||||
stage2debug=
|
||||
AC_ARG_ENABLE(debug,
|
||||
[ --enable-debug build debugging version of stage2],
|
||||
[test "x$enableval" = xno || stage2debug=stage2_debug])
|
||||
|
||||
AC_SUBST(sbingrub)
|
||||
AC_SUBST(stage2debug)
|
||||
|
||||
#
|
||||
|
|
@ -65,6 +64,14 @@ if test "x$grub_cv_asm_addr32" != xyes; then
|
|||
AC_MSG_ERROR([GRUB requires GAS .code16 addr32 support; upgrade your binutils])
|
||||
fi
|
||||
|
||||
# Check for curses libraries if we are building /sbin/grub.
|
||||
if test -n "$sbingrub"; then
|
||||
AC_CHECK_LIB(ncurses, getch, [LIBS="$LIBS -lncurses"
|
||||
AC_DEFINE(HAVE_LIBCURSES)],
|
||||
[AC_CHECK_LIB(curses, getch, [LIBS="$LIBS -lcurses"
|
||||
AC_DEFINE(HAVE_LIBCURSES)])])
|
||||
fi
|
||||
|
||||
# Create rules for our shared sources.
|
||||
AC_SUBST_FILE(SHARED_SRC_RULES)dnl
|
||||
SHARED_SRC_RULES=./ssrcrules.mk
|
||||
|
|
|
|||
2
debian/changelog
vendored
2
debian/changelog
vendored
|
|
@ -5,7 +5,7 @@ grub (0.5.91) unstable; urgency=low
|
|||
* GRUB data now installed in /share/grub/$(host_cpu)-$(host_vendor).
|
||||
* Preliminary Texinfo documentation.
|
||||
|
||||
-- Gordon Matzigkeit <gord@debian.org> Sat, 13 Mar 1999 17:37:25 -0600
|
||||
--
|
||||
|
||||
grub (0.5.90) unstable; urgency=low
|
||||
|
||||
|
|
|
|||
|
|
@ -2,6 +2,7 @@ EXTRA_PROGRAMS = grub
|
|||
sbin_PROGRAMS = $(sbingrub)
|
||||
CLEANFILES = $(EXTRA_PROGRAMS)
|
||||
|
||||
COMPILE = $(CC) -DGRUB_UTIL=1 $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)
|
||||
INCLUDES = -I$(top_srcdir)/shared_src
|
||||
|
||||
grub_SOURCES = main.c asmstub.c
|
||||
|
|
|
|||
|
|
@ -74,6 +74,7 @@ EXTRA_PROGRAMS = grub
|
|||
sbin_PROGRAMS = $(sbingrub)
|
||||
CLEANFILES = $(EXTRA_PROGRAMS)
|
||||
|
||||
COMPILE = $(CC) -DGRUB_UTIL=1 $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)
|
||||
INCLUDES = -I$(top_srcdir)/shared_src
|
||||
|
||||
grub_SOURCES = main.c asmstub.c
|
||||
|
|
@ -96,7 +97,6 @@ grub_DEPENDENCIES = boot.o common.o char_io.o cmdline.o disk_io.o \
|
|||
gunzip.o fsys_ffs.o fsys_ext2fs.o fsys_fat.o stage2.o
|
||||
grub_LDFLAGS =
|
||||
CFLAGS = @CFLAGS@
|
||||
COMPILE = $(CC) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)
|
||||
LINK = $(CC) $(CFLAGS) $(LDFLAGS) -o $@
|
||||
DIST_COMMON = Makefile.am Makefile.in
|
||||
|
||||
|
|
|
|||
128
grub/asmstub.c
128
grub/asmstub.c
|
|
@ -18,37 +18,78 @@
|
|||
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*/
|
||||
|
||||
#define end _end
|
||||
#include "shared.h"
|
||||
#undef end
|
||||
/* We want to prevent any circularararity in our stubs, as well as
|
||||
libc name clashes. */
|
||||
#undef NULL
|
||||
#undef bcopy
|
||||
#undef bzero
|
||||
#undef getc
|
||||
#undef isspace
|
||||
#undef printf
|
||||
#undef putchar
|
||||
#undef strncat
|
||||
#undef strstr
|
||||
#undef tolower
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <assert.h>
|
||||
#include <stdio.h>
|
||||
|
||||
/* Simulated memory sizes. */
|
||||
#define EXTENDED_MEMSIZE (4 * 1024 * 1024) /* 4MB */
|
||||
#define CONVENTIONAL_MEMSIZE (640) /* 640kB */
|
||||
|
||||
char *end = _end;
|
||||
|
||||
unsigned long install_partition = 0x20000;
|
||||
unsigned long boot_drive = 0;
|
||||
char version_string[] = "0.5";
|
||||
char config_file[] = "/boot/grub/menu.lst";
|
||||
|
||||
char *grub_scratch_mem = 0;
|
||||
|
||||
/* The main entry point into this mess. */
|
||||
void
|
||||
start_stage2 (void)
|
||||
{
|
||||
grub_scratch_mem = memalign (16, EXTENDED_MEMSIZE);
|
||||
|
||||
/* Check some invariants. */
|
||||
assert (BUFFERADDR + BUFFERLEN == SCRATCHADDR);
|
||||
assert (FSYS_BUF % 16 == 0);
|
||||
assert (FSYS_BUF + FSYS_BUFLEN == BUFFERADDR);
|
||||
|
||||
#ifdef HAVE_LIBCURSES
|
||||
/* Get into char-at-a-time mode. */
|
||||
initscr ();
|
||||
cbreak ();
|
||||
noecho ();
|
||||
scrollok (stdscr, TRUE);
|
||||
#endif
|
||||
|
||||
init_bios_info ();
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
stop (void)
|
||||
{
|
||||
fprintf (stderr, "grub: aborting...\n");
|
||||
exit (1);
|
||||
}
|
||||
|
||||
|
||||
/* calls for direct boot-loader chaining */
|
||||
void
|
||||
chain_stage1 (int segment, int offset, int part_table_addr)
|
||||
{
|
||||
|
||||
stop ();
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
chain_stage2 (int segment, int offset)
|
||||
{
|
||||
|
||||
stop ();
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -56,7 +97,7 @@ chain_stage2 (int segment, int offset)
|
|||
void
|
||||
linux_boot (void)
|
||||
{
|
||||
|
||||
stop ();
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -64,7 +105,7 @@ linux_boot (void)
|
|||
void
|
||||
big_linux_boot (void)
|
||||
{
|
||||
|
||||
stop ();
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -72,7 +113,7 @@ big_linux_boot (void)
|
|||
void
|
||||
multi_boot (int start, int mbi)
|
||||
{
|
||||
|
||||
stop ();
|
||||
}
|
||||
|
||||
/* sets it to linear or wired A20 operation */
|
||||
|
|
@ -83,34 +124,70 @@ gateA20 (int linear)
|
|||
}
|
||||
|
||||
|
||||
void *
|
||||
get_code_end (void)
|
||||
{
|
||||
/* Just return a little area for simulation. */
|
||||
return malloc (1024);
|
||||
}
|
||||
|
||||
|
||||
/* memory probe routines */
|
||||
int
|
||||
get_memsize (int type)
|
||||
{
|
||||
if (!type)
|
||||
return 640 * 1024; /* 640kB conventional */
|
||||
return CONVENTIONAL_MEMSIZE;
|
||||
else
|
||||
return 4 * 1024 * 1024; /* 4MB extended */
|
||||
return EXTENDED_MEMSIZE;
|
||||
}
|
||||
|
||||
|
||||
/* get_eisamemsize() : return packed EISA memory map, lower 16 bits is
|
||||
* memory between 1M and 16M in 1K parts, upper 16 bits is
|
||||
* memory above 16M in 64K parts. If error, return -1.
|
||||
*/
|
||||
int
|
||||
get_eisamemsize (void)
|
||||
{
|
||||
return (EXTENDED_MEMSIZE / 1024);
|
||||
}
|
||||
|
||||
|
||||
int
|
||||
get_mmap_entry (int buf, int cont)
|
||||
{
|
||||
}
|
||||
#define MMAR_DESC_TYPE_AVAILABLE 1 /* available to OS */
|
||||
#define MMAR_DESC_TYPE_RESERVED 2 /* not available */
|
||||
#define MMAR_DESC_TYPE_ACPI_RECLAIM 3 /* usable by OS after reading ACPI */
|
||||
#define MMAR_DESC_TYPE_ACPI_NVS 4 /* required to save between NVS sessions */
|
||||
|
||||
|
||||
/* Address and old continuation value for the Query System Address Map
|
||||
BIOS call. */
|
||||
int
|
||||
get_mem_map (int addr, int cont)
|
||||
/* Memory map address range descriptor. */
|
||||
struct mmar_desc
|
||||
{
|
||||
unsigned long desc_len; /* Size of this descriptor. */
|
||||
unsigned long long addr; /* Base address. */
|
||||
unsigned long long length; /* Length in bytes. */
|
||||
unsigned long type; /* Type of address range. */
|
||||
};
|
||||
|
||||
/* Fetch the next entry in the memory map and return the continuation
|
||||
value. DESC is a pointer to the descriptor buffer, and CONT is the
|
||||
previous continuation value (0 to get the first entry in the
|
||||
map). */
|
||||
int
|
||||
get_mem_map (struct mmar_desc *desc, int cont)
|
||||
{
|
||||
if (! cont)
|
||||
{
|
||||
/* First entry, located at 1MB. */
|
||||
desc->desc_len = sizeof (*desc) - sizeof (desc->desc_len);
|
||||
desc->addr = 1024 * 1024;
|
||||
desc->length = EXTENDED_MEMSIZE;
|
||||
desc->type = MMAR_DESC_TYPE_AVAILABLE;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* No more entries, so give an error. */
|
||||
desc->desc_len = 0;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -146,15 +223,21 @@ gotoxy (int x, int y)
|
|||
/* displays an ASCII character. IBM displays will translate some
|
||||
characters to special graphical ones */
|
||||
void
|
||||
putchar (int c)
|
||||
grub_putchar (int c)
|
||||
{
|
||||
addch (c);
|
||||
}
|
||||
|
||||
|
||||
/* returns packed BIOS/ASCII code */
|
||||
int
|
||||
asm_getkey (void)
|
||||
getkey (void)
|
||||
{
|
||||
int c;
|
||||
nodelay (stdscr, FALSE);
|
||||
c = getch ();
|
||||
nodelay (stdscr, TRUE);
|
||||
return c;
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -162,6 +245,7 @@ asm_getkey (void)
|
|||
int
|
||||
checkkey (void)
|
||||
{
|
||||
getch ();
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -753,6 +753,15 @@ pc_notnewline:
|
|||
pop %ebp
|
||||
ret
|
||||
|
||||
/* get_code_end() : return the address of the end of the code
|
||||
* This is here so that it can be replaced by asmstub.c.
|
||||
*/
|
||||
ENTRY(get_code_end)
|
||||
movl $EXT_C(end), %eax /* will be the end of the bss */
|
||||
shrl $2, %eax /* Round up to the next word. */
|
||||
incl %eax
|
||||
shll $2, %eax
|
||||
ret
|
||||
|
||||
/*
|
||||
*
|
||||
|
|
@ -843,7 +852,6 @@ xnoteisa:
|
|||
pop %ebp
|
||||
ret
|
||||
|
||||
|
||||
/*
|
||||
*
|
||||
* get_mem_map(addr, cont) : address and old continuation value (zero to
|
||||
|
|
@ -886,7 +894,7 @@ ENTRY(get_mem_map)
|
|||
.code16
|
||||
|
||||
movw %si, %es
|
||||
movw $0xe820, %ax
|
||||
movl $0xe820, %eax
|
||||
int $0x15
|
||||
|
||||
data32
|
||||
|
|
@ -1298,14 +1306,14 @@ gottime:
|
|||
|
||||
|
||||
/*
|
||||
* asm_getkey()
|
||||
* getkey()
|
||||
* BIOS call "INT 16H Function 00H" to read character from keyboard
|
||||
* Call with %ah = 0x0
|
||||
* Return: %ah = keyboard scan code
|
||||
* %al = ASCII character
|
||||
*/
|
||||
|
||||
ENTRY(asm_getkey)
|
||||
ENTRY(getkey)
|
||||
push %ebp
|
||||
push %ebx /* save %ebx */
|
||||
|
||||
|
|
|
|||
|
|
@ -23,14 +23,6 @@
|
|||
|
||||
#include "shared.h"
|
||||
|
||||
#ifndef STAGE1_5
|
||||
int
|
||||
getkey (void)
|
||||
{
|
||||
return asm_getkey ();
|
||||
}
|
||||
#endif /* STAGE1_5 */
|
||||
|
||||
|
||||
void
|
||||
print_error (void)
|
||||
|
|
@ -244,7 +236,7 @@ get_cmdline (char *prompt, char *commands, char *cmdline, int maxlen)
|
|||
case KEY_END:
|
||||
c = 5;
|
||||
break;
|
||||
case KEY_DELETE:
|
||||
case KEY_DC:
|
||||
c = 8;
|
||||
default:
|
||||
}
|
||||
|
|
|
|||
|
|
@ -118,7 +118,8 @@ init_bios_info (void)
|
|||
* unused by GRUB.
|
||||
*/
|
||||
|
||||
mbi.mmap_addr = (addr = (((int) end) & ~3) + 4);
|
||||
addr = get_code_end ();
|
||||
mbi.mmap_addr = addr;
|
||||
mbi.mmap_length = 0;
|
||||
cont = 0;
|
||||
|
||||
|
|
@ -126,6 +127,7 @@ init_bios_info (void)
|
|||
{
|
||||
cont = get_mem_map (addr, cont);
|
||||
|
||||
/* If the returned buffer's base is zero, quit. */
|
||||
if (!*((int *) addr))
|
||||
break;
|
||||
|
||||
|
|
|
|||
|
|
@ -71,7 +71,7 @@
|
|||
chunks), otherwise the dynamic method is used. In the latter case, the
|
||||
codes are customized to the probabilities in the current block, and so
|
||||
can code it much better than the pre-determined fixed codes.
|
||||
|
||||
|
||||
The Huffman codes themselves are decoded using a mutli-level table
|
||||
lookup, in order to maximize the speed of decoding plus the speed of
|
||||
building the decoding tables. See the comments below that precede the
|
||||
|
|
@ -358,7 +358,7 @@ static unsigned wp;
|
|||
|
||||
|
||||
/* Tables for deflate from PKZIP's appnote.txt. */
|
||||
static unsigned border[] =
|
||||
static unsigned bitorder[] =
|
||||
{ /* Order of the bit length code lengths */
|
||||
16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15};
|
||||
static ush cplens[] =
|
||||
|
|
@ -429,7 +429,7 @@ static unsigned hufts; /* track memory usage */
|
|||
|
||||
/* Macros for inflate() bit peeking and grabbing.
|
||||
The usage is:
|
||||
|
||||
|
||||
NEEDBITS(j)
|
||||
x = b & mask_bits[j];
|
||||
DUMPBITS(j)
|
||||
|
|
@ -942,11 +942,11 @@ init_dynamic_block (void)
|
|||
for (j = 0; j < nb; j++)
|
||||
{
|
||||
NEEDBITS (3);
|
||||
ll[border[j]] = (unsigned) b & 7;
|
||||
ll[bitorder[j]] = (unsigned) b & 7;
|
||||
DUMPBITS (3);
|
||||
}
|
||||
for (; j < 19; j++)
|
||||
ll[border[j]] = 0;
|
||||
ll[bitorder[j]] = 0;
|
||||
|
||||
/* build decoding table for trees--single level, 7 bit lookup */
|
||||
bl = 7;
|
||||
|
|
|
|||
|
|
@ -22,6 +22,16 @@
|
|||
* Generic defines to use anywhere
|
||||
*/
|
||||
|
||||
/* Maybe redirect memory requests through grub_scratch_mem. */
|
||||
#ifdef GRUB_UTIL
|
||||
extern char *grub_scratch_mem;
|
||||
# define RAW_ADDR(x) ((x) + (int) grub_scratch_mem)
|
||||
# define RAW_SEG(x) (RAW_ADDR ((x) << 4) >> 4)
|
||||
#else
|
||||
# define RAW_ADDR(x) x
|
||||
# define RAW_SEG(x) x
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Integer sizes
|
||||
*/
|
||||
|
|
@ -29,8 +39,8 @@
|
|||
#define MAXINT 0x7FFFFFFF
|
||||
|
||||
/* 512-byte scratch area */
|
||||
#define SCRATCHADDR 0x77e00
|
||||
#define SCRATCHSEG 0x77e0
|
||||
#define SCRATCHADDR RAW_ADDR (0x77e00)
|
||||
#define SCRATCHSEG RAW_SEG (0x77e0)
|
||||
|
||||
/*
|
||||
* This is the location of the raw device buffer. It is 31.5K
|
||||
|
|
@ -38,12 +48,8 @@
|
|||
*/
|
||||
|
||||
#define BUFFERLEN 0x7e00
|
||||
#define BUFFERADDR 0x70000
|
||||
#define BUFFERSEG 0x7000
|
||||
|
||||
#if (BUFFERADDR + BUFFERLEN) != SCRATCHADDR
|
||||
# error "scratch area isn't at the end of the device buffer"
|
||||
#endif
|
||||
#define BUFFERADDR RAW_ADDR (0x70000)
|
||||
#define BUFFERSEG RAW_SEG (0x7000)
|
||||
|
||||
/*
|
||||
* BIOS disk defines
|
||||
|
|
@ -58,24 +64,16 @@
|
|||
*/
|
||||
|
||||
#define FSYS_BUFLEN 0x8000
|
||||
#define FSYS_BUF 0x68000
|
||||
|
||||
#if (FSYS_BUF % 16) != 0
|
||||
# error "FSYS_BUF is not segment-aligned"
|
||||
#endif
|
||||
|
||||
#if (FSYS_BUF + FSYS_BUFLEN) != BUFFERADDR
|
||||
# error "device buffer buffer isn't at the end of the filesystem buffer"
|
||||
#endif
|
||||
#define FSYS_BUF RAW_ADDR (0x68000)
|
||||
|
||||
/*
|
||||
* Linux setup parameters
|
||||
*/
|
||||
|
||||
#define LINUX_STAGING_AREA 0x100000
|
||||
#define LINUX_SETUP 0x90000
|
||||
#define LINUX_STAGING_AREA RAW_ADDR (0x100000)
|
||||
#define LINUX_SETUP RAW_ADDR (0x90000)
|
||||
#define LINUX_SETUP_MAXLEN 0x1E00
|
||||
#define LINUX_KERNEL 0x10000
|
||||
#define LINUX_KERNEL RAW_ADDR (0x10000)
|
||||
#define LINUX_KERNEL_MAXLEN 0x7F000
|
||||
#define LINUX_SETUP_SEG 0x9020
|
||||
#define LINUX_INIT_SEG 0x9000
|
||||
|
|
@ -89,12 +87,12 @@
|
|||
#define LINUX_SETUP_CODE_START 0x214
|
||||
#define LINUX_SETUP_INITRD 0x218
|
||||
|
||||
#define CL_MY_LOCATION 0x92000
|
||||
#define CL_MY_END_ADDR 0x920FF
|
||||
#define CL_MAGIC_ADDR 0x90020
|
||||
#define CL_MY_LOCATION RAW_ADDR (0x92000)
|
||||
#define CL_MY_END_ADDR RAW_ADDR (0x920FF)
|
||||
#define CL_MAGIC_ADDR RAW_ADDR (0x90020)
|
||||
#define CL_MAGIC 0xA33F
|
||||
#define CL_BASE_ADDR 0x90000
|
||||
#define CL_OFFSET 0x90022
|
||||
#define CL_BASE_ADDR RAW_ADDR (0x90000)
|
||||
#define CL_OFFSET RAW_ADDR (0x90022)
|
||||
|
||||
/*
|
||||
* General disk stuff
|
||||
|
|
@ -103,7 +101,7 @@
|
|||
#define SECTOR_SIZE 0x200
|
||||
#define BIOS_FLAG_FIXED_DISK 0x80
|
||||
|
||||
#define BOOTSEC_LOCATION 0x7C00
|
||||
#define BOOTSEC_LOCATION RAW_ADDR (0x7C00)
|
||||
#define BOOTSEC_SIGNATURE 0xAA55
|
||||
#define BOOTSEC_BPB_OFFSET 0x3
|
||||
#define BOOTSEC_BPB_LENGTH 0x3B
|
||||
|
|
@ -169,6 +167,36 @@
|
|||
enable clock line */
|
||||
#define KB_A20_ENABLE 0x02
|
||||
|
||||
/* Codes for getchar. */
|
||||
#define ASCII_CHAR(x) ((x) & 0xFF)
|
||||
#if !defined(GRUB_UTIL) || !defined(HAVE_LIBCURSES)
|
||||
# define KEY_LEFT 0x4B00
|
||||
# define KEY_RIGHT 0x4D00
|
||||
# define KEY_UP 0x4800
|
||||
# define KEY_DOWN 0x5000
|
||||
# define KEY_IC 0x5200 /* insert char */
|
||||
# define KEY_DC 0x5300 /* delete char */
|
||||
# define KEY_HOME 0x4700
|
||||
# define KEY_END 0x4F00
|
||||
# define KEY_NPAGE 0x4900
|
||||
# define KEY_PPAGE 0x5100
|
||||
#else
|
||||
# include <curses.h>
|
||||
#endif
|
||||
|
||||
/* Remap some names so that we don't conflict with libc. */
|
||||
#define bcopy grub_bcopy
|
||||
#define bzero grub_bzero
|
||||
#define isspace grub_isspace
|
||||
#define open grub_open
|
||||
#define printf grub_printf
|
||||
#undef putchar
|
||||
#define putchar grub_putchar
|
||||
#define read grub_read
|
||||
#define strncat grub_strncat
|
||||
#define strstr grub_strstr
|
||||
#define tolower grub_tolower
|
||||
|
||||
|
||||
#ifndef ASM_FILE
|
||||
|
||||
|
|
@ -199,13 +227,12 @@ outb (unsigned short port, unsigned char val)
|
|||
#include "mb_header.h"
|
||||
#include "mb_info.h"
|
||||
|
||||
extern char end[]; /* will be the end of the bss */
|
||||
|
||||
/* this function must be called somewhere... */
|
||||
void
|
||||
cmain (void)
|
||||
__attribute__ ((noreturn));
|
||||
|
||||
#undef NULL
|
||||
#define NULL ((void *) 0)
|
||||
|
||||
|
||||
|
|
@ -218,6 +245,8 @@ __attribute__ ((noreturn));
|
|||
extern char version_string[];
|
||||
extern char config_file[];
|
||||
|
||||
void stop (void) __attribute__ ((noreturn));
|
||||
|
||||
/* calls for direct boot-loader chaining */
|
||||
void chain_stage1 (int segment, int offset, int part_table_addr)
|
||||
__attribute__ ((noreturn));
|
||||
|
|
@ -226,6 +255,9 @@ __attribute__ ((noreturn));
|
|||
/* do some funky stuff, then boot linux */
|
||||
void linux_boot (void) __attribute__ ((noreturn));
|
||||
|
||||
/* do some funky stuff, then boot bzImage linux */
|
||||
void big_linux_boot (void) __attribute__ ((noreturn));
|
||||
|
||||
/* booting a multiboot executable */
|
||||
void multi_boot (int start, int mbi) __attribute__ ((noreturn));
|
||||
|
||||
|
|
@ -258,23 +290,11 @@ __attribute__ ((noreturn));
|
|||
#define DISP_UP 0x18
|
||||
#define DISP_DOWN 0x19
|
||||
void putchar (int c);
|
||||
|
||||
/* returns packed BIOS/ASCII code */
|
||||
#define BIOS_CODE(x) ((x) >> 8)
|
||||
#define ASCII_CHAR(x) ((x) & 0xFF)
|
||||
#define KEY_LEFT 0x4B00
|
||||
#define KEY_RIGHT 0x4D00
|
||||
#define KEY_UP 0x4800
|
||||
#define KEY_DOWN 0x5000
|
||||
#define KEY_INSERT 0x5200
|
||||
#define KEY_DELETE 0x5300
|
||||
#define KEY_HOME 0x4700
|
||||
#define KEY_END 0x4F00
|
||||
#define KEY_PGUP 0x4900
|
||||
#define KEY_PGDN 0x5100
|
||||
int asm_getkey (void);
|
||||
int getkey (void);
|
||||
|
||||
/* returns 0 if non-ASCII character */
|
||||
#undef getc
|
||||
#define getc() ASCII_CHAR(getkey())
|
||||
|
||||
/* like 'getkey', but doesn't wait, returns -1 if nothing available */
|
||||
|
|
@ -355,32 +375,16 @@ __attribute__ ((noreturn));
|
|||
MAX_ERR_NUM
|
||||
};
|
||||
|
||||
/* returns packed BIOS/ASCII code */
|
||||
#define BIOS_CODE(x) ((x) >> 8)
|
||||
#define ASCII_CHAR(x) ((x) & 0xFF)
|
||||
#define KEY_LEFT 0x4B00
|
||||
#define KEY_RIGHT 0x4D00
|
||||
#define KEY_UP 0x4800
|
||||
#define KEY_DOWN 0x5000
|
||||
#define KEY_INSERT 0x5200
|
||||
#define KEY_DELETE 0x5300
|
||||
#define KEY_HOME 0x4700
|
||||
#define KEY_END 0x4F00
|
||||
#define KEY_PGUP 0x4900
|
||||
#define KEY_PGDN 0x5100
|
||||
int getkey (void); /* actually just calls asm_getkey and invalidates the
|
||||
disk buffer */
|
||||
|
||||
void init_page (void);
|
||||
void print_error (void);
|
||||
char *convert_to_ascii (char *buf, int c,...);
|
||||
void printf (char *format,...);
|
||||
void grub_printf (char *format,...);
|
||||
int get_cmdline (char *prompt, char *commands, char *cmdline, int maxlen);
|
||||
int tolower (int c);
|
||||
int isspace (int c);
|
||||
int strncat (char *s1, char *s2, int n);
|
||||
int grub_tolower (int c);
|
||||
int grub_isspace (int c);
|
||||
int grub_strncat (char *s1, char *s2, int n);
|
||||
int substring (char *s1, char *s2);
|
||||
char *strstr (char *s1, char *s2);
|
||||
char *grub_strstr (char *s1, char *s2);
|
||||
int bcopy (char *from, char *to, int len);
|
||||
int bzero (char *start, int len);
|
||||
int get_based_digit (int c, int base);
|
||||
|
|
@ -448,8 +452,8 @@ __attribute__ ((noreturn));
|
|||
int make_saved_active (void); /* sets the active partition to the that
|
||||
represented by the "saved_" parameters */
|
||||
|
||||
int open (char *filename);
|
||||
int read (int addr, int len); /* if "length" is -1, read all the
|
||||
int grub_open (char *filename);
|
||||
int grub_read (int addr, int len); /* if "length" is -1, read all the
|
||||
remaining data in the file */
|
||||
int dir (char *dirname); /* list directory, printing all completions */
|
||||
|
||||
|
|
|
|||
|
|
@ -131,7 +131,7 @@ set_line(int y, int attr)
|
|||
}
|
||||
|
||||
|
||||
int timeout;
|
||||
static int grub_timeout;
|
||||
|
||||
|
||||
void
|
||||
|
|
@ -189,31 +189,31 @@ restart:
|
|||
/* initilize to NULL just in case... */
|
||||
cur_entry = NULL;
|
||||
|
||||
if (timeout >= 0 && (time1 = getrtsecs()) != time2 && time1 != 0xFF)
|
||||
if (grub_timeout >= 0 && (time1 = getrtsecs()) != time2 && time1 != 0xFF)
|
||||
{
|
||||
if (timeout <= 0)
|
||||
if (grub_timeout <= 0)
|
||||
{
|
||||
timeout = -1;
|
||||
grub_timeout = -1;
|
||||
break;
|
||||
}
|
||||
|
||||
/* else not booting yet! */
|
||||
time2 = time1;
|
||||
gotoxy(3, 22);
|
||||
printf("The highlighted entry will be booted automatically in %d seconds. ", timeout);
|
||||
printf("The highlighted entry will be booted automatically in %d seconds. ", grub_timeout);
|
||||
gotoxy(74, 4+entryno);
|
||||
timeout--;
|
||||
grub_timeout --;
|
||||
}
|
||||
|
||||
if (checkkey() != -1)
|
||||
{
|
||||
c = getkey();
|
||||
|
||||
if (timeout >= 0)
|
||||
if (grub_timeout >= 0)
|
||||
{
|
||||
gotoxy(3, 22);
|
||||
printf(" ");
|
||||
timeout = -1;
|
||||
grub_timeout = -1;
|
||||
fallback = -1;
|
||||
gotoxy(74, 4+entryno);
|
||||
}
|
||||
|
|
@ -514,7 +514,7 @@ cmain(void)
|
|||
config_len = 0; menu_len = 0; num_entries = 0; default_entry = 0;
|
||||
config_entries = (char *)(mbi.mmap_addr + mbi.mmap_length);
|
||||
menu_entries = (char *)(BUFFERADDR + (32 * 1024));
|
||||
password = NULL; fallback = -1; timeout = -1;
|
||||
password = NULL; fallback = -1; grub_timeout = -1;
|
||||
|
||||
/*
|
||||
* Here load the configuration file.
|
||||
|
|
@ -552,7 +552,7 @@ cmain(void)
|
|||
else if (!state)
|
||||
{
|
||||
if (substring("timeout", cmdline) < 1)
|
||||
safe_parse_maxint(&ptr, &timeout);
|
||||
safe_parse_maxint(&ptr, &grub_timeout);
|
||||
if (substring("fallback", cmdline) < 1)
|
||||
safe_parse_maxint(&ptr, &fallback);
|
||||
if (substring("default", cmdline) < 1)
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue