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authorJeff Johnston <jjohnstn@redhat.com>2006-12-11 19:58:01 +0000
committerJeff Johnston <jjohnstn@redhat.com>2006-12-11 19:58:01 +0000
commit12cb181da7dffe5baba2c6ff78f7d35191273b07 (patch)
treebdd0960621c8f9c401b2d6702fa4e110c6413239 /libgloss/m68k/io.h
parent7dfad3a0c6530aa075458e0d81e5039eca70abd8 (diff)
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2006-12-11 Kazu Hirata <kazu@codesourcery.com>
Merge from newlib-csl-20060320-branch: 2006-12-01 Nathan Sidwell <nathan@codesourcery.com> Kazu Hirata <kazu@codesourcery.com> * m68k/Makefile.in (CF_ISRS): Use addprefix. 2006-11-01 Nathan Sidwell <nathan@codesourcery.com> * m68k/Makefile.in (CFLAGS): Do not clear. Add to all compilations. (ARFLAGS): Remove commented out definition. * m68k/configure.in (DO) Set to list of target cpu families. * m68k/configure: Rebuilt. * m68k/Makefile.in (DO): New. (UNHOSTED_BSP, UNHOSTED_OBJS, HOSTED_BSP, HOSTED_OBJS): Move later. (m5208evb, m5213evb, m52235evb, m5235evb, m5273c3, m5275evb, m5282evb, m5329evb, m5485evb): Move earlier. (all): Add all_$DO dependencies. (all_cf, all_m68k): New targets, depend on cf & m68k bsps as appropriate. (m%-ram.ld, m%-rom.ld, m%-ram-hosted.ld, m%-rom-hosted.ld): Add 'm' prefix. (install): Add install_$DO dependencies. (install_cf, install_m68k): New targets. Perform cf and m68k installs as appropriate. (install_io): New, install the io libraries. 2006-10-23 Nathan Sidwell <nathan@codesourcery.com> * m68k/Makefile.in (CF_CRT0): Rename to CF_CRT0S, separate hosted & unhosted versions. (CF_OBJS): Add cf-isv.o. (CF_SOURCES): Add cf-isv.S. (cf-hosted-crt0.o, cf-unhosted-crt0.o): New targets. * m68k/cf-isv.S: New, broken out of ... * m68k/cf-crt0.S: ... here. Add HOSTED & UNHOSTED differences. * m68k/cf-crt1.c (__start1): Add heap_limit argument. (__heap_limit): Define. * m68k/cf-sbrk.c (__heap_limit): Declare. (sbrk): Adjust for __heap_limit. * m68k/cf.sc: Use different crt0's for hosted & unhosted. Install a separate isv.o file. * m68k/io.h (HOSTED_PUTCHAR): Replace with ... (HOSTED_INIT_SIM): ... this. 2006-10-20 Nathan Sidwell <nathan@codesourcery.com> * m68k/Makefile.in (CF_BOARDS): Add m5275evb. (m5275evb): New board. 2006-10-20 Vladimir Prus <vladimir@codesourcery.com> * m68k/cf.sc: Add linkonce sections and DWARF sections. 2006-10-07 Nathan Sidwell <nathan@codesourcery.com> * m68k/Makefile.in: Adjust Coldfire rules. (BDM_CRT0, BDM_BSP, BDM_OBJS, BDM_ISRS): Rename to ... (CF_CRT0, CF_BSP, CF_OBJS, CF_ISRS): ... here. Adjust. (BDM_OTHER_OBJS): Remove. (BDM_SYSOBJS): Rename to ... (UNHOSTED_OBJS): ... here. Adjust. (UNHOSTED_BSP, HOSTED_OBJS, HOSTED_BSP): New. (CF_HOSTED_SCRIPTS): New. (CF_SCRIPTS, CF_SOURCES): Adjust. * m68k/cf.sc: Add IO library variable. * m68k/bdm-crt0.S, m68k/bdm-crt1.c, m68k/bdm-isrs.c, m68k/bdm-sbrk.c, m68k/bdm-semihost.S: Rename to ... * m68k/cf-crt0.S, m68k/cf-crt1.c, m68k/cf-isrs.c, m68k/cf-sbrk.c, m68k/cf-hosted.S: ... here. * m68k/cf-exit.c: New. * m68k/bdm-gdb.h, m68k/bdm-semihost.h: Merge into ... * m68k/io.h: ... here. Add unhosted support. Adjust conversion function names. * m68k/bdm-gdb.c: Rename to ... * m68k/io-gdb.c: ... here. Adjust names of conversion functions. * m68k/bdm-close.c, m68k/bdm-exit.c, m68k/bdm-fstat.c, m68k/bdm-gettimeofday.c, m68k/bdm-isatty.c, m68k/bdm-lseek.c, m68k/bdm-open.c, m68k/bdm-read.c, m68k/bdm-rename.c, m68k/bdm-stat.c, m68k/bdm-system.c, m68k/bdm-time.c, m68k/bdm-unlink.c, m68k/bdm-write.c: Rename to ... * m68k/io-close.c, m68k/io-exit.c, m68k/io-fstat.c, m68k/io-gettimeofday.c, m68k/io-isatty.c, m68k/io-lseek.c, m68k/io-open.c, m68k/io-read.c, m68k/io-rename.c, m68k/io-stat.c, m68k/io-system.c, m68k/io-time.c, m68k/io-unlink.c, m68k/io-write.c: ... here. Include io.h. Adjust for hosted & unhosted libraries. Adjust names of gdb conversion functions. 2006-09-29 Nathan Sidwell <nathan@codesourcery.com> * m68k/bdm-semihost.S: Add more comments. Make instruction weirder. 2006-09-22 Nathan Sidwell <nathan@codesourcery.com> * m68k/bdm-crt1.c (hardware_init_hook): Use #defines for CACR bits. 2006-09-18 Nathan Sidwell <nathan@codesourcery.com> * m68k/Makefile.in: Don't force a frame pointer on the ISRs. * m68k/bdm-crt1.c (__start1): Don't set the VBR here. (hardeare_init_hook): Define weakly. Set VBR here, enable caching if supported. * m68k/Makefile.in (bdm-semihost.o): Build from bdm-semihost.S. * m68k/bdm-semihost.c: Remove. * m68k/bdm-semihost.S: New. * m68k/bdm-crt0.S: Don't install semihosting trap handler. * m68k/bdm-close.c, bdm-exit.c, bdm-fstat.c, bdm-gettimeofday.c, bdm-isatty.c, bdm-lseek.c, bdm-open.c, bdm-read.c, bdm-rename.c, bdm-stat.c, bdm-system.c, bdm-unlink.c, bdm-write.c): Update. * m68k/bdm-isrs.c: Update comment. * m68k/bdm-semihost.h (BDM_TRAPNUM, BDM_FUNC_REG, BDM_ARG_REG, BDM_TRAP): Remove. (__bdm_semihost): Declare. 2006-09-15 Nathan Sidwell <nathan@codesourcery.com> * m68k/Makefile.in (BDM_OTHER_OBJS): Remove sbrk.o. (BDM_SYSOBJS): Add bdm-sbrk.o. * m68k/bdm-sbrk.c: New. 2006-09-06 Nathan Sidwell <nathan@codesourcery.com> * m68k/Makefile.in (CF_SOURCES): New. (install): Install them. 2006-09-01 Nathan Sidwell <nathan@codesourcery.com> * m68k/cf.sc: Add .jcr section to .text.
Diffstat (limited to 'libgloss/m68k/io.h')
-rw-r--r--libgloss/m68k/io.h155
1 files changed, 155 insertions, 0 deletions
diff --git a/libgloss/m68k/io.h b/libgloss/m68k/io.h
new file mode 100644
index 000000000..b6b228739
--- /dev/null
+++ b/libgloss/m68k/io.h
@@ -0,0 +1,155 @@
+/*
+ * hosted & unhosted io support.
+ *
+ * Copyright (c) 2006 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#if HOSTED
+#include <stdint.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/stat.h>
+
+#define HOSTED_EXIT 0
+#define HOSTED_INIT_SIM 1
+#define HOSTED_OPEN 2
+#define HOSTED_CLOSE 3
+#define HOSTED_READ 4
+#define HOSTED_WRITE 5
+#define HOSTED_LSEEK 6
+#define HOSTED_RENAME 7
+#define HOSTED_UNLINK 8
+#define HOSTED_STAT 9
+#define HOSTED_FSTAT 10
+#define HOSTED_GETTIMEOFDAY 11
+#define HOSTED_ISATTY 12
+#define HOSTED_SYSTEM 13
+
+/* This function is provided by the board's BSP, because the precise
+ mechanism of informing gdb is board specific. */
+extern int __io_hosted (int func, void *args);
+
+/* Protocol specific representation of datatypes, as specified in D.9.11
+ * of the GDB manual.
+ * Note that since the m68k is big-endian, we can use native
+ * representations of integer datatypes in structured datatypes. */
+
+typedef uint32_t gdb_mode_t;
+typedef uint32_t gdb_time_t;
+
+struct gdb_stat {
+ uint32_t st_dev; /* device */
+ uint32_t st_ino; /* inode */
+ gdb_mode_t st_mode; /* protection */
+ uint32_t st_nlink; /* number of hard links */
+ uint32_t st_uid; /* user ID of owner */
+ uint32_t st_gid; /* group ID of owner */
+ uint32_t st_rdev; /* device type (if inode device) */
+ uint64_t st_size; /* total size, in bytes */
+ uint64_t st_blksize; /* blocksize for filesystem I/O */
+ uint64_t st_blocks; /* number of blocks allocated */
+ gdb_time_t st_atime; /* time of last access */
+ gdb_time_t st_mtime; /* time of last modification */
+ gdb_time_t st_ctime; /* time of last change */
+};
+
+struct gdb_timeval {
+ gdb_time_t tv_sec; /* second */
+ uint64_t tv_usec; /* microsecond */
+};
+
+
+/* Parameters are passed between the library and the debugging stub
+ * in a fixed-size buffer.
+ */
+
+typedef uint32_t gdb_parambuf_t[4];
+
+/* open flags */
+
+#define GDB_O_RDONLY 0x0
+#define GDB_O_WRONLY 0x1
+#define GDB_O_RDWR 0x2
+#define GDB_O_APPEND 0x8
+#define GDB_O_CREAT 0x200
+#define GDB_O_TRUNC 0x400
+#define GDB_O_EXCL 0x800
+
+/* mode_t values */
+
+#define GDB_S_IFREG 0100000
+#define GDB_S_IFDIR 040000
+#define GDB_S_IRUSR 0400
+#define GDB_S_IWUSR 0200
+#define GDB_S_IXUSR 0100
+#define GDB_S_IRGRP 040
+#define GDB_S_IWGRP 020
+#define GDB_S_IXGRP 010
+#define GDB_S_IROTH 04
+#define GDB_S_IWOTH 02
+#define GDB_S_IXOTH 01
+
+/* errno values */
+
+#define GDB_EPERM 1
+#define GDB_ENOENT 2
+#define GDB_EINTR 4
+#define GDB_EBADF 9
+#define GDB_EACCES 13
+#define GDB_EFAULT 14
+#define GDB_EBUSY 16
+#define GDB_EEXIST 17
+#define GDB_ENODEV 19
+#define GDB_ENOTDIR 20
+#define GDB_EISDIR 21
+#define GDB_EINVAL 22
+#define GDB_ENFILE 23
+#define GDB_EMFILE 24
+#define GDB_EFBIG 27
+#define GDB_ENOSPC 28
+#define GDB_ESPIPE 29
+#define GDB_EROFS 30
+#define GDB_ENAMETOOLONG 91
+#define GDB_EUNKNOWN 9999
+
+/* lseek flags */
+
+#define GDB_SEEK_SET 0
+#define GDB_SEEK_CUR 1
+#define GDB_SEEK_END 2
+
+
+/* conversion functions */
+
+extern gdb_mode_t __hosted_to_gdb_mode_t (mode_t m);
+extern int32_t __hosted_to_gdb_open_flags (int f);
+extern int32_t __hosted_to_gdb_lseek_flags (int f);
+
+extern void __hosted_from_gdb_stat (const struct gdb_stat *gs,
+ struct stat *s);
+extern void __hosted_from_gdb_timeval (const struct gdb_timeval *gt,
+ struct timeval *t);
+extern int __hosted_from_gdb_errno (int32_t err);
+
+#else
+#ifdef IO
+#define IO_NAME_(IO) __hosted_##IO
+#define IO_NAME(IO) IO_NAME_(IO)
+#define IO_STRING_(IO) #IO
+#define IO_STRING(IO) IO_STRING_(IO)
+/* Emit an object that causes a gnu linker warning. */
+static const char IO_NAME (IO) []
+__attribute__ ((section (".gnu.warning"), used)) =
+"IO function '" IO_STRING (IO) "' used";
+#endif
+#endif