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Patch from Eric Norum <eric@skatter.usask.ca>:

Browse Source 
Here is my attempt at bringing m68k.h into line with the predefined
symbols provided by egcs-1.0.2-prerelease (with R. Kirkham's patch so
that -mcpu32, etc. implies -msoft-float).
This commit is contained in:
Joel Sherrill
1998-03-20 17:38:53 +00:00
parent 22393efc82
commit 25804b6077
1 changed files with 92 additions and 98 deletions
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190
c/src/exec/score/cpu/m68k/m68k.h
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@@ -29,19 +29,17 @@ extern "C" {
* a particular member of the family.
*
* Currently recognized:
* m68000 (no FP)
* m68020 (implies FP)
* m68020_nofp (no FP)
* m68030 (implies FP)
* m68040 (implies FP)
* m68lc040 (no FP)
* m68ec040 (no FP)
* m68302 (no FP)
* m68332 (no FP)
* mcpu32 (no FP) (includes m68360)
*
* Primary difference (for RTEMS) between m68040, m680lc040, and
* m68ec040 is the presence or absence of the FPU.
* -m68000
* -m68000 -msoft-float
* -m68020
* -m68020 -msoft-float
* -m68030
* -m68040 -msoft-float
* -m68040
* -m68040 -msoft-float
* -m68302 (no FP)
* -m68332 (no FP)
* -mcpu32 (no FP)
*
* Here is some information on the 040 variants (courtesy of Doug McBride,
* mcbride@rodin.colorado.edu):
@@ -61,124 +59,120 @@ extern "C" {
* 68010, 68302, 68306, 68307). This instruction is available on the 68020
* up and the cpu32 based models.
*
* M68K_HAS_MISALIGNED is non-zero if the CPU allows byte-misaligned
* data access (68020, 68030, 68040, 68060, CPU32+).
*
* NOTE:
* Eventually it would be nice to evaluate doing a lot of this section
* by having each model specify which core it uses and then go from there.
*/
#if defined(m68000)
#if defined(__mc68020__)
#define CPU_MODEL_NAME "m68000"
#define CPU_MODEL_NAME "m68020"
#define M68K_HAS_VBR 1
#define M68K_HAS_SEPARATE_STACKS 1
#define M68K_HAS_BFFFO 1
#define M68K_HAS_PREINDEXING 1
#define M68K_HAS_EXTB_L 1
#define M68K_HAS_MISALIGNED 1
# if defined (__HAVE_68881__)
# define M68K_HAS_FPU 1
# define M68K_HAS_FPSP_PACKAGE 0
# else
# define M68K_HAS_FPU 0
# define M68K_HAS_FPSP_PACKAGE 0
# endif
#elif defined(__mc68030__)
#define CPU_MODEL_NAME "m68030"
#define M68K_HAS_VBR 1
#define M68K_HAS_SEPARATE_STACKS 1
#define M68K_HAS_BFFFO 1
#define M68K_HAS_PREINDEXING 1
#define M68K_HAS_EXTB_L 1
#define M68K_HAS_MISALIGNED 1
# if defined (__HAVE_68881__)
# define M68K_HAS_FPU 1
# define M68K_HAS_FPSP_PACKAGE 0
# else
# define M68K_HAS_FPU 0
# define M68K_HAS_FPSP_PACKAGE 0
# endif
#elif defined(__mc68040__)
#define CPU_MODEL_NAME "m68040"
#define M68K_HAS_VBR 1
#define M68K_HAS_SEPARATE_STACKS 1
#define M68K_HAS_BFFFO 1
#define M68K_HAS_PREINDEXING 1
#define M68K_HAS_EXTB_L 1
#define M68K_HAS_MISALIGNED 1
# if defined (__HAVE_68881__)
# define M68K_HAS_FPU 1
# define M68K_HAS_FPSP_PACKAGE 1
# else
# define M68K_HAS_FPU 0
# define M68K_HAS_FPSP_PACKAGE 0
# endif
#elif defined(__mc68302__)
#define CPU_MODEL_NAME "m68302"
#define M68K_HAS_VBR 0
#define M68K_HAS_SEPARATE_STACKS 0
#define M68K_HAS_FPU 0
#define M68K_HAS_BFFFO 0
#define M68K_HAS_PREINDEXING 0
#define M68K_HAS_EXTB_L 0
#define M68K_HAS_FPSP_PACKAGE 0
#elif defined(m68020)
#define CPU_MODEL_NAME "m68020"
#define M68K_HAS_VBR 1
#define M68K_HAS_SEPARATE_STACKS 1
#define M68K_HAS_FPU 1
#define M68K_HAS_BFFFO 1
#define M68K_HAS_PREINDEXING 1
#define M68K_HAS_EXTB_L 1
#define M68K_HAS_FPSP_PACKAGE 0
#elif defined(m68020_nofp)
#define CPU_MODEL_NAME "m68020 w/o fp"
#define M68K_HAS_VBR 1
#define M68K_HAS_SEPARATE_STACKS 1
#define M68K_HAS_MISALIGNED 0
#define M68K_HAS_FPU 0
#define M68K_HAS_BFFFO 1
#define M68K_HAS_PREINDEXING 1
#define M68K_HAS_EXTB_L 1
#define M68K_HAS_FPSP_PACKAGE 0
#elif defined(__mc68332__)
#elif defined(m68030)
#define CPU_MODEL_NAME "m68030"
#define CPU_MODEL_NAME "mcpu32"
#define M68K_HAS_VBR 1
#define M68K_HAS_SEPARATE_STACKS 1
#define M68K_HAS_FPU 1
#define M68K_HAS_BFFFO 1
#define M68K_HAS_SEPARATE_STACKS 0
#define M68K_HAS_BFFFO 0
#define M68K_HAS_PREINDEXING 1
#define M68K_HAS_EXTB_L 1
#define M68K_HAS_FPSP_PACKAGE 0
#elif defined(m68040)
#define CPU_MODEL_NAME "m68040"
#define M68K_HAS_VBR 1
#define M68K_HAS_SEPARATE_STACKS 1
#define M68K_HAS_FPU 1
#define M68K_HAS_BFFFO 1
#define M68K_HAS_PREINDEXING 1
#define M68K_HAS_EXTB_L 1
#define M68K_HAS_FPSP_PACKAGE 1
#elif defined(m68lc040)
#define CPU_MODEL_NAME "m68lc040"
#define M68K_HAS_VBR 1
#define M68K_HAS_SEPARATE_STACKS 1
#define M68K_HAS_MISALIGNED 0
#define M68K_HAS_FPU 0
#define M68K_HAS_BFFFO 1
#define M68K_HAS_PREINDEXING 1
#define M68K_HAS_EXTB_L 1
#define M68K_HAS_FPSP_PACKAGE 0
#elif defined(__mcpu32__)
#elif defined(m68ec040)
#define CPU_MODEL_NAME "m68ec040"
#define CPU_MODEL_NAME "mcpu32+"
#define M68K_HAS_VBR 1
#define M68K_HAS_SEPARATE_STACKS 1
#define M68K_HAS_FPU 0
#define M68K_HAS_BFFFO 1
#define M68K_HAS_SEPARATE_STACKS 0
#define M68K_HAS_BFFFO 0
#define M68K_HAS_PREINDEXING 1
#define M68K_HAS_EXTB_L 1
#define M68K_HAS_MISALIGNED 1
#define M68K_HAS_FPU 0
#define M68K_HAS_FPSP_PACKAGE 0
#elif defined(m68302)
/* essentially a m68000 with onboard peripherals */
#define CPU_MODEL_NAME "m68302"
#elif defined(__mc68000__)
#define CPU_MODEL_NAME "m68000"
#define M68K_HAS_VBR 0
#define M68K_HAS_SEPARATE_STACKS 0
#define M68K_HAS_FPU 0
#define M68K_HAS_BFFFO 0
#define M68K_HAS_PREINDEXING 0
#define M68K_HAS_EXTB_L 0
#define M68K_HAS_FPSP_PACKAGE 0
#elif defined(m68332)
#define CPU_MODEL_NAME "m68332"
#define M68K_HAS_VBR 1
#define M68K_HAS_SEPARATE_STACKS 0
#define M68K_HAS_FPU 0
#define M68K_HAS_BFFFO 0
#define M68K_HAS_PREINDEXING 0
#define M68K_HAS_EXTB_L 1
#define M68K_HAS_FPSP_PACKAGE 0
#elif defined(mcpu32)
#define CPU_MODEL_NAME "mcpu32"
#define M68K_HAS_VBR 1
#define M68K_HAS_SEPARATE_STACKS 0
#define M68K_HAS_FPU 0
#define M68K_HAS_BFFFO 0
#define M68K_HAS_PREINDEXING 1
#define M68K_HAS_EXTB_L 1
#define M68K_HAS_FPSP_PACKAGE 0
#define M68K_HAS_MISALIGNED 0
# if defined (__HAVE_68881__)
# define M68K_HAS_FPU 1
# define M68K_HAS_FPSP_PACKAGE 0
# else
# define M68K_HAS_FPU 0
# define M68K_HAS_FPSP_PACKAGE 0
# endif
#else
#error "Unsupported CPU Model"
#error "Unsupported CPU model -- are you sure you're running a 68k compiler?"
#endif