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Re: RTEMS Patch for binutils 2.9.1





On Thu, 13 May 1999, Richard Henderson wrote:

> On Thu, May 13, 1999 at 08:43:30AM -0500, joel@OARcorp.com wrote:
> > This patch does a few minor things for RTEMS targets mostly in
> > configuration files.  It also adds some RTEMS targets that are
> > either aliases or copies of existing targets with no new files.
> 
> These bits applied.
> 
> > Included in this patch is one thing I am pretty sure will be rejected.
> > The mod to opcode/hppa.h adds instructions and unless something has
> > changed recently, knowing that these instructions exist requires having
> > access to a manual that was restricted in some way.  Perhaps one of the
> > HPPA folks will be able to state something more recent HPPA technical
> > information.
> 
> Jeff, can I leave this bit to you?

My understanding was that these were pretty critical instructions for an
OS implementation.  Doesn't one of the other open-source OSes have a need
for these as well?

> 
>  	* opcode/hppa.h: Added 72000 instructions.
> 
> *** /usr1/rtems/work/original/binutils-2.9.1/include/opcode/hppa.h	Fri May  1 10:48:35 1998
> --- binutils-2.9.1/include/opcode/hppa.h	Mon Jan 25 15:16:47 1999
> ***************
> *** 370,375 ****
> --- 370,383 ----
>   { "fice",       0x040002c0, 0xfc001fdf, "Zx(b)", pa10},
>   { "diag",       0x14000000, 0xfc000000, "D", pa10},
>   
> + /* Following group is 72000 specific */
> + { "mtcpu",      0x14001600, 0xfc00ffff, "x,^"},
> + { "mfcpu",      0x14001A00, 0xfc00ffff, "^,x"},
> + { "tocen",      0x14403600, 0xffffffff, ""},
> + { "tocdis",     0x14401620, 0xffffffff, ""},
> + { "shdwgr",     0x14402600, 0xffffffff, ""},
> + { "grshdw",     0x14400620, 0xffffffff, ""},
> + 
>   /* gfw and gfr are not in the HP PA 1.1 manual, but they are in either
>      the Timex FPU or the Mustang ERS (not sure which) manual.  */
>   { "gfw",	0x04001680, 0xfc003fdf, "Zx(s,b)", pa11},
> 


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