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Add basic Casio syscalls (non-stdlib functionality) which are included into stdio.h

sh3port
Memallox 3 years ago
parent
commit
c62afb7008
  1. 2
      newlib/libc/sys/sh3eb/Makefile.am
  2. 11
      newlib/libc/sys/sh3eb/Makefile.in
  3. 45
      newlib/libc/sys/sh3eb/casio_syscalls.c
  4. 63
      newlib/libc/sys/sh3eb/sys/casio_syscalls.h
  5. 33
      newlib/libc/sys/sh3eb/sys/stdio.h

2
newlib/libc/sys/sh3eb/Makefile.am

@ -8,7 +8,7 @@ AM_CCASFLAGS = $(INCLUDES) $(CFLAGS)
noinst_LIBRARIES = lib.a
lib_a_SOURCES = syscalls.c trap.S creat.c ftruncate.c truncate.c
lib_a_SOURCES = syscalls.c trap.S creat.c ftruncate.c truncate.c casio_syscalls.c
lib_a_CCASFLAGS = $(AM_CCASFLAGS)
lib_a_CFLAGS = $(AM_CFLAGS)

11
newlib/libc/sys/sh3eb/Makefile.in

@ -71,7 +71,7 @@ lib_a_AR = $(AR) $(ARFLAGS)
lib_a_LIBADD =
am_lib_a_OBJECTS = lib_a-syscalls.$(OBJEXT) lib_a-trap.$(OBJEXT) \
lib_a-creat.$(OBJEXT) lib_a-ftruncate.$(OBJEXT) \
lib_a-truncate.$(OBJEXT)
lib_a-truncate.$(OBJEXT) lib_a-casio_syscalls.$(OBJEXT)
lib_a_OBJECTS = $(am_lib_a_OBJECTS)
DEFAULT_INCLUDES = -I.@am__isrc@
depcomp =
@ -184,6 +184,7 @@ pdfdir = @pdfdir@
prefix = @prefix@
program_transform_name = @program_transform_name@
psdir = @psdir@
runstatedir = @runstatedir@
sbindir = @sbindir@
sharedstatedir = @sharedstatedir@
srcdir = @srcdir@
@ -197,7 +198,7 @@ AUTOMAKE_OPTIONS = cygnus
INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
AM_CCASFLAGS = $(INCLUDES) $(CFLAGS)
noinst_LIBRARIES = lib.a
lib_a_SOURCES = syscalls.c trap.S creat.c ftruncate.c truncate.c
lib_a_SOURCES = syscalls.c trap.S creat.c ftruncate.c truncate.c casio_syscalls.c
lib_a_CCASFLAGS = $(AM_CCASFLAGS)
lib_a_CFLAGS = $(AM_CFLAGS)
ACLOCAL_AMFLAGS = -I ../../.. -I ../../../..
@ -296,6 +297,12 @@ lib_a-truncate.o: truncate.c
lib_a-truncate.obj: truncate.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-truncate.obj `if test -f 'truncate.c'; then $(CYGPATH_W) 'truncate.c'; else $(CYGPATH_W) '$(srcdir)/truncate.c'; fi`
lib_a-casio_syscalls.o: casio_syscalls.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-casio_syscalls.o `test -f 'casio_syscalls.c' || echo '$(srcdir)/'`casio_syscalls.c
lib_a-casio_syscalls.obj: casio_syscalls.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-casio_syscalls.obj `if test -f 'casio_syscalls.c'; then $(CYGPATH_W) 'casio_syscalls.c'; else $(CYGPATH_W) '$(srcdir)/casio_syscalls.c'; fi`
ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
unique=`for i in $$list; do \

45
newlib/libc/sys/sh3eb/casio_syscalls.c

@ -0,0 +1,45 @@
#include <stddef.h>
#include <sys/casio_syscalls.h>
DEFINE_CASIO_SYSCALL_FN_PTR(GetKey, int, (unsigned int*), 0x90F)
DEFINE_CASIO_SYSCALL_FN_PTR(PutKey, int, (int keycode, int mode), 0x910)
DEFINE_CASIO_SYSCALL_FN_PTR(GetKeyWait, int, (int*column, int*row, int type_of_waiting, int timeout_period, int menu, unsigned short *keycode), 0x247)
DEFINE_CASIO_SYSCALL_FN_PTR(Bdisp_AllClr_DDVRAM, void, (void), 0x144)
DEFINE_CASIO_SYSCALL_FN_PTR(Bdisp_PutDisp_DD, void, (void), 0x028)
DEFINE_CASIO_SYSCALL_FN_PTR(Print, void, (const unsigned char*), 0x808)
DEFINE_CASIO_SYSCALL_FN_PTR(locate, void, (int, int), 0x807)
DEFINE_CASIO_SYSCALL_FN_PTR(wait_ms, void, (unsigned int), 0x130) // TODO signature assumed
int GetKey(unsigned int* keycode) {
return _GetKey_ptr(keycode);
}
int PutKey(int keycode, int mode) {
return _PutKey_ptr(keycode, mode);
}
int GetKeyWait(int*column, int*row, int type_of_waiting, int timeout_period, int menu, unsigned short *keycode) {
return _GetKeyWait_ptr(column, row, type_of_waiting, timeout_period, menu, keycode);
}
void Bdisp_AllClr_DDVRAM(void) {
_Bdisp_AllClr_DDVRAM_ptr();
}
void Bdisp_PutDisp_DD(void) {
_Bdisp_PutDisp_DD_ptr();
}
void Print(const unsigned char* str) {
_Print_ptr(str);
}
void locate(int x, int y) {
_locate_ptr(x, y);
}
void wait_ms(unsigned int ms) { // TODO signature assumed
_wait_ms_ptr(ms);
}

63
newlib/libc/sys/sh3eb/sys/casio_syscalls.h

@ -0,0 +1,63 @@
#ifdef _CASIO_SYSCALLS_H
#define _CASIO_SYSCALLS_H
#else
// the following definitions are only needed once
#define _CASIO_SYSCALLS_SCA 0xD201D002
#define _CASIO_SYSCALLS_SCB 0x422B0009
#define _CASIO_SYSCALLS_SCE 0x80010070
// 0x80010070 is the fx-9860-syscall-entry point
// 0x80020070 is the fx-CG-syscall-entry point (but remember: the syscall numbers are different!)
// for reference:
// this are the assembler instructions, which represent the int arrays of the type
// "const unsigned int scSyscallNo[] = { SCA, SCB, SCE, SyscallNo };"
// mov.l #h'80010070, r2
// mov.l #SyscallNo, r0
// jmp @r2
// nop
/*
* Macro for defining function pointers to some Casio syscalls
* see for addesses: http://media.taricorp.net/prizm/simon_chm/fx_legacy_syscalls.htm
*/
#define DEFINE_CASIO_SYSCALL_FN_PTR(func_name, ret, args, addr) \
typedef ret (* _ ## func_name ## _type) args; \
const unsigned int _ ## func_name ## _ ## address[] = {_CASIO_SYSCALLS_SCA, _CASIO_SYSCALLS_SCB, _CASIO_SYSCALLS_SCE, addr}; \
const _ ## func_name ## _type _ ## func_name ## _ptr = (_ ## func_name ## _type) _ ## func_name ## _ ## address;
/* example for the code generated by DEFINE_SYSCALL_FN_PTR(malloc, void*, (size_t), 0xACD) */
// typedef void* (*_malloc_type)(size_t size);
// const unsigned int _malloc_address[] = { SCA, SCB, SCE, 0xACD };
// const _malloc_type _malloc_ptr = (_malloc_type) _malloc_address;
/*
* Original Casio key positions
*/
#define _CASIO_ROW_AC 1
#define _CASIO_ROW_MIN 2 // bottom
#define _CASIO_ROW_SHIFT 9
#define _CASIO_ROW_ALPHA 8
#define _CASIO_ROW_MAX 10 // top
#define _CASIO_COL_AC 1
#define _CASIO_COL_MIN 2 // right
#define _CASIO_COL_SHIFT 7
#define _CASIO_COL_ALPHA 7
#define _CASIO_COL_MAX 7 // left
/*
* Casio syscalls (non-stdlib)
*/
int GetKey(unsigned int* keycode);
int PutKey(int keycode, int mode);
int GetKeyWait(int*column, int*row, int type_of_waiting, int timeout_period, int menu, unsigned short *keycode);
void Bdisp_AllClr_DDVRAM(void);
void Bdisp_PutDisp_DD(void);
void Print(const unsigned char* str);
void locate(int x, int y);
void wait_ms(unsigned int ms); // TODO signature assumed
#endif /* _CASIO_SYSCALLS_H */

33
newlib/libc/sys/sh3eb/sys/stdio.h

@ -0,0 +1,33 @@
#ifndef _NEWLIB_STDIO_H
#define _NEWLIB_STDIO_H
/*
* Include casio_syscalls.h to provide basic Casio
* functionality alongside with stdio.
*/
#include <sys/casio_syscalls.h>
#include <sys/lock.h>
#include <sys/reent.h>
/* Internal locking macros, used to protect stdio functions. In the
general case, expand to nothing. Use __SSTR flag in FILE _flags to
detect if FILE is private to sprintf/sscanf class of functions; if
set then do nothing as lock is not initialised. */
#if !defined(_flockfile)
#ifndef __SINGLE_THREAD__
# define _flockfile(fp) (((fp)->_flags & __SSTR) ? 0 : __lock_acquire_recursive((fp)->_lock))
#else
# define _flockfile(fp) ((void) 0)
#endif
#endif
#if !defined(_funlockfile)
#ifndef __SINGLE_THREAD__
# define _funlockfile(fp) (((fp)->_flags & __SSTR) ? 0 : __lock_release_recursive((fp)->_lock))
#else
# define _funlockfile(fp) ((void) 0)
#endif
#endif
#endif /* _NEWLIB_STDIO_H */
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