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ia16-elf-gcc: enable and fix basic warnings; don't do strict ptr aliasing for now

This commit is contained in:
Bart Oldeman 2017-12-21 14:25:17 -05:00 committed by Kenneth J Davis
parent ce8e4fd091
commit a70f31bf61
4 changed files with 11 additions and 5 deletions
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1
kernel/dyninit.c
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@ -48,7 +48,6 @@ additionally:
/*extern struct DynS FAR Dyn;*/ /*extern struct DynS FAR Dyn;*/
#ifndef __TURBOC__ #ifndef __TURBOC__
#include "init-dat.h"
extern struct DynS DOSFAR ASM Dyn; extern struct DynS DOSFAR ASM Dyn;
#else #else
extern struct DynS FAR ASM Dyn; extern struct DynS FAR ASM Dyn;

5
kernel/init-mod.h
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@ -353,8 +353,13 @@ extern struct RelocationTable
extern void FAR *DOSFAR ASM XMSDriverAddress; extern void FAR *DOSFAR ASM XMSDriverAddress;
#define XMSDriverAddress DOSDATA(XMSDriverAddress) #define XMSDriverAddress DOSDATA(XMSDriverAddress)
#ifdef __GNUC__
extern VOID _EnableA20(VOID);
extern VOID _DisableA20(VOID);
#else
extern VOID ASMPASCAL FAR _EnableA20(VOID); extern VOID ASMPASCAL FAR _EnableA20(VOID);
extern VOID ASMPASCAL FAR _DisableA20(VOID); extern VOID ASMPASCAL FAR _DisableA20(VOID);
#endif
extern void FAR * ASMPASCAL DetectXMSDriver(VOID); extern void FAR * ASMPASCAL DetectXMSDriver(VOID);
extern int ASMPASCAL init_call_XMScall(void FAR * driverAddress, UWORD ax, extern int ASMPASCAL init_call_XMScall(void FAR * driverAddress, UWORD ax,

8
mkfiles/gcc.mak
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@ -36,7 +36,7 @@ LIBPLUS=
LIBTERM= LIBTERM=
TINY=-mcmodel=tiny TINY=-mcmodel=tiny
CFLAGST=-Os -fpack-struct -fcall-used-es -w -o $@ CFLAGST=-Os -fno-strict-aliasing -fpack-struct -fcall-used-es -Wno-pointer-to-int-cast -Wno-pragmas -Wno-array-bounds -Werror -o $@
CFLAGSC= CFLAGSC=
# #
@ -44,16 +44,18 @@ CFLAGSC=
# #
# -mcmodel=small small memory model (small code/small data) # -mcmodel=small small memory model (small code/small data)
# -Os -> favor code size over execution time in optimizations # -Os -> favor code size over execution time in optimizations
# -fno-strict-aliasing don't assume strict aliasing rules
# -fleading-underscore underscores leading field for DOS compiler compat # -fleading-underscore underscores leading field for DOS compiler compat
# -fno-common no "common" variables, just BSS for uninitialized data # -fno-common no "common" variables, just BSS for uninitialized data
# -fpack-struct pack structure members # -fpack-struct pack structure members
# -ffreestanding don't assume any headers # -ffreestanding don't assume any headers
# -fcall-used-es es clobbered in function calls # -fcall-used-es es clobbered in function calls
# -mrtd use stdcall calling convention # -mrtd use stdcall calling convention
# -w disable warnings for now # -Wno-pointer-to-int-cast do not warn about FP_OFF
# -Wno-pragmas do not warn about #pragma pack
# -Werror treat all warnings as errors # -Werror treat all warnings as errors
ALLCFLAGS+=-I../hdr $(TARGETOPT) -mcmodel=small -fleading-underscore -fno-common -fpack-struct -ffreestanding -fcall-used-es -mrtd -w -Werror -Os ALLCFLAGS+=-I../hdr $(TARGETOPT) -mcmodel=small -fleading-underscore -fno-common -fpack-struct -ffreestanding -fcall-used-es -mrtd -Wno-pointer-to-int-cast -Wno-pragmas -Werror -Os -fno-strict-aliasing
INITCFLAGS=$(ALLCFLAGS) -o $@ INITCFLAGS=$(ALLCFLAGS) -o $@
CFLAGS=$(ALLCFLAGS) -o $@ CFLAGS=$(ALLCFLAGS) -o $@

2
sys/sys.c
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@ -1128,7 +1128,7 @@ int generic_block_ioctl(unsigned drive, unsigned cx, unsigned char *par);
#ifndef __TURBOC__ #ifndef __TURBOC__
int2526readwrite(int DosDrive, void *diskReadPacket, unsigned intno) int int2526readwrite(int DosDrive, void *diskReadPacket, unsigned intno)
{ {
union REGS regs; union REGS regs;