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Removed unused and redundant tests which were causing segmentation faults

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This commit is contained in:
robxnano 2022-09-10 02:12:35 +01:00
parent cfb9d5a501
commit 988eef8c5c
2 changed files with 2 additions and 53 deletions
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30
BasiliskII/src/Unix/configure.ac
View File

@ -1132,29 +1132,6 @@ AC_CACHE_CHECK([whether __PAGEZERO can be Low Memory area 0x0000-0x2000],
AC_TRANSLATE_DEFINE(PAGEZERO_HACK, "$ac_cv_pagezero_hack",
[Define if the __PAGEZERO Mach-O Low Memory Globals hack works on this system.])
dnl Check if we can mmap 0x2000 bytes from 0x0000
AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x2000],
ac_cv_can_map_lm, [
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_RUN([
#include "../CrossPlatform/vm_alloc.cpp"
int main(void) { /* returns 0 if we could map the lowmem globals */
volatile char * lm = 0;
if (vm_init() < 0) exit(1);
if (vm_acquire_fixed(0, 0x2000) < 0) exit(1);
lm[0] = 'z';
if (vm_release((char *)lm, 0x2000) < 0) exit(1);
vm_exit(); exit(0);
}
], ac_cv_can_map_lm=yes, ac_cv_can_map_lm=no,
dnl When cross-compiling, do not assume anything.
ac_cv_can_map_lm="$BII_CROSS_MAP_LOW_AREA"
)
AC_LANG_RESTORE
]
)
dnl Check signal handlers need to be reinstalled
AC_CACHE_CHECK([whether signal handlers need to be reinstalled],
ac_cv_signal_need_reinstall, [
@ -1438,10 +1415,6 @@ else
for am in $ADDRESSING_TEST_ORDER; do
case $am in
real)
dnl Requires ability to mmap() Low Memory globals
if [[ "x$ac_cv_can_map_lm$ac_cv_pagezero_hack" = "xnono" ]]; then
continue
fi
dnl Requires VOSF screen updates
if [[ "x$CAN_VOSF" = "xno" ]]; then
continue
@ -1483,7 +1456,8 @@ fi
dnl Banked Memory Addressing mode is not supported by the JIT compiler
if [[ "x$WANT_JIT" = "xyes" -a "x$ADDRESSING_MODE" = "xmemory banks" ]]; then
AC_MSG_ERROR([Sorry, the JIT Compiler requires Direct Addressing, at least])
AC_MSG_WARN([The JIT Compiler requires Direct Addressing, disabling])
WANT_JIT="no"
fi
if [[ "x$OS_TYPE" = "xdarwin" ]]; then

25
SheepShaver/src/Unix/configure.ac
View File

@ -997,37 +997,12 @@ AC_CACHE_CHECK([whether __PAGEZERO can be Low Memory area 0x0000-0x3000],
case $target_os:$target_cpu in
darwin*:x86_64)
ac_cv_pagezero_hack=yes
dnl might as well skip the test for mmap-able low memory
ac_cv_can_map_lm=no
;;
esac
])
AC_TRANSLATE_DEFINE(PAGEZERO_HACK, "$ac_cv_pagezero_hack",
[Define if the __PAGEZERO Mach-O Low Memory Globals hack works on this system.])
dnl Check if we can mmap 0x3000 bytes from 0x0000
AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x3000],
ac_cv_can_map_lm, [
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_RUN([
#include "../CrossPlatform/vm_alloc.cpp"
int main(void) { /* returns 0 if we could map the lowmem globals */
volatile char * lm = 0;
if (vm_init() < 0) exit(1);
if (vm_acquire_fixed(0, 0x2000) < 0) exit(1);
lm[0] = 'z';
if (vm_release((char *)lm, 0x2000) < 0) exit(1);
vm_exit(); exit(0);
}
], ac_cv_can_map_lm=yes, ac_cv_can_map_lm=no,
dnl When cross-compiling, do not assume anything.
ac_cv_can_map_lm="guessing no"
)
AC_LANG_RESTORE
]
)
dnl Check signal handlers need to be reinstalled
AC_CACHE_CHECK([whether signal handlers need to be reinstalled],
ac_cv_signal_need_reinstall, [