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740551d1d1
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45 Commits

Author SHA1 Message Date
bjh21
740551d1d1 Add PROG32 and PROG26 options. 
These are intended to indicate what size of program space is in use, and hence
how to get at the PSR bits.  They're currently set automatically by the CPU
type options.
 2001-02-25 17:23:11 +00:00
bjh21
716d92bdc2 COPY_SIGCODE is never referenced in the kernel, and the comment attached to it 
is out of date. Assume it's obsolete and g/c it.
 2001-02-25 17:04:54 +00:00
bjh21
6f2aa0d0ba Allow "cpu" to have children. In the long term, this may be the best way to 
handle co-processors.  In the short term, it's a necessary hack to get arm26
kernels to configure.
 2001-02-25 15:31:39 +00:00
reinoud
142f62c206 Moved the mainbus files to the arm/conf/file.arm from the arm32 and the 
hpcarm/conf/files.hpcarm
 2001-02-24 21:43:01 +00:00
reinoud
086a93939c Part 2 of merge.... the dissapearance of mainbus from arm32 and hpcarm; 
these parts were a 100% the same and i've included the extensions made by
hpcarm in the tree.
Checked for occurence of MD parts; none found.
 2001-02-24 19:38:01 +00:00
toshii
f46f7e3e62 Make hpcarm kernel compile again. 2001-02-24 09:58:43 +00:00
ichiro
d3ce44c170 some include files added newly write into Makefile. 2001-02-24 07:24:36 +00:00
bjh21
6b7ad3aa3e __HAVE_NWSCONS and __HAVE_DEVICE_REGISTER are MACHINE-dependent. 2001-02-23 22:02:43 +00:00
reinoud
c1f753f9b4 Big patch for merging common include files of the new hpcarm tree and the old arm32 
tree into the new arm substree. All moved files are relinked with a stub that included
the file from the new location; this might be done better later.
 2001-02-23 21:23:45 +00:00
bjh21
352dfb6c36 Update to support VFP formats. Also a half-hearted attempt at armeb support. 
Note that I'm using __VFP_FP__ to indicate compilation with VFP-format
floating-point data.  There doesn't (currently) seem to be a standard define
for this purpose.  __VFP_FP__ was suggested by Richard Earnshaw.
 2001-02-21 17:43:50 +00:00
bjh21
887895c344 Add CPU_ID_CPU_MASK. Different, but (I hope) more useful definition than 
arm32 currently uses.
 2001-02-21 17:41:58 +00:00
bjh21
32a800e5c0 Install <arm/endian_machdep.h>. 2001-02-17 14:57:08 +00:00
bjh21
8b601afaf3 Re-introduce <arm/endian_machdep.h>, this time using GCC's idea of the target 
endianness.
 2001-02-17 14:55:44 +00:00
bjh21
9b6de1da90 Move cpu_coredump() from arm32/arm32/vm_machdep.c to arm/arm/vm_machdep_arm.c. 
Also ANSIfy it and use it on arm26.
 2001-02-13 22:54:25 +00:00
simonb
e07c392eed Fix typo in header filename. 2001-02-13 14:11:30 +00:00
bjh21
284047a2b2 Move sendsig() and sys___sigreturn14() from arm26/arm26/vm_machdep.c and 
arm32/arm32/machdep.c into arm/arm/sig_machdep.c, merging and ANSIfying in
the process.

The code is based on the arm32 version, so I don't think anything should break
there.
 2001-02-13 13:19:52 +00:00
bjh21
a4e55e0f13 Shared ARM ptrace(2) implementation. Mostly the same as the arm32 
version, but with some #ifdefs for arm26.

Also, don't define PT_STEP, since we don't implement it.  This should
reduce code size a little.
 2001-02-11 17:03:04 +00:00
bjh21
9826a76781 Common <arm/reg.h> (and hence common struct reg) for ARM. 
This is theoretically backward-incompatible on arm26, but GDB doesn't work there
yet anyway.
 2001-02-11 14:51:55 +00:00
bjh21
1178bf4219 Initial potentially sharable <arm/armreg.h>. Used by all arm26 code. 2001-01-22 22:10:39 +00:00
bjh21
8805bd8b56 Unify arm26 and arm32 trapframe structures. The unified trapframe is the same 
shape as the old arm32 one, but there are a few #defines to keep arm26 code
happy.  Anything that depends on the precise shape of the trapframe,
and especially on being able to treat it as an array of registers, has been
updated.
 2001-01-20 17:14:19 +00:00
bjh21
2c20803b63 Add extra constants defined by ARM ELF revision B01. 2001-01-18 23:50:50 +00:00
bjh21
48f4b0ea72 Tidy up some comments. 2001-01-18 21:54:28 +00:00
bjh21
2c89ce7e74 Add <arm/frame.h>, for shared stack frame structures. Currently, only sigframes 
are common.
 2001-01-18 21:48:25 +00:00
bjh21
6b017eaa04 Add ARMv5 instructions: BLX, CLZ, BKPT, MCR2, MRC2, CDP2, LDC2, STC2. 
Also correct a comment.
 2001-01-18 21:41:09 +00:00
bjh21
e1e042445c A bit of extra discussion based on the latest ARM ARM. 2001-01-18 20:42:03 +00:00
bjh21
8df387473f Move <machine/signal.h> into shared directory. 2001-01-13 17:02:36 +00:00
bjh21
70d40a123c Make db_disasm_interface const. 2001-01-13 16:53:27 +00:00
bjh21
f52101bc64 Make all the disasm_interface_t arguments const, thus allowing us to 
allocate them statically in the text segment.  Do so for disassemble().
 2001-01-13 16:52:01 +00:00
bjh21
792b8500bc ANSIfy, un-__Pify, and in the case of disassem.c, add an RCSID. 2001-01-13 16:44:25 +00:00
bjh21
78c0ba909e Separate out sigcode into its own file, since it's shared by arm26 and arm32. 2001-01-13 00:06:50 +00:00
bjh21
e4cacac41c Storing four-byte pointers to two-character strings is silly. All the 
auxilliary tables used by the disassembler are now char[][].

The main table still uses pointers because:
 - the longest instruction name, "imbrange" is >7 characters long, which would
   make the field length wasteful.
 - GCC spots that most of the formats are shared and makes them pointers to the
   same string, so turning them into char[8] would be counter-productive.
 2001-01-12 23:33:07 +00:00
bjh21
ca0f6df99d Move all the nasty big tables into the text segment. This isn't much use in 
the kernel at present, but maybe one day when we have a ROMmable kernel...
 2001-01-12 22:44:08 +00:00
bjh21
cdae07e857 Correct comments (the code does support LDF, STF, LDC, STC). 
Support BX (for completeness).
Correct spelling of SWP.
 2001-01-12 22:19:15 +00:00
bjh21
e9bb2a7916 Correct immediate constant handling: bits [11:8] are a rotation, not a shift. 
Also add support for the "P" modifier to TEQ, TST, CMP and CMN, and don't
bother displaying the "S" bit for these instructions.

Together, these correct the disassembly of 0xe33ff3c2 (an instruction in
arm26 irq_handler() from "teqs r15, #0x08000000" to "teqp r15, 0x08000003".
 2001-01-12 21:56:18 +00:00
bjh21
d6928b5422 Prototypes for disassemble_readword() and disassemble_printaddr(). 2001-01-12 21:35:48 +00:00
bjh21
a5ef6e1f81 Move db_disasm.c into sys/arch/arm/arm. Use arm26 version, since it should 
generate smaller compiled code.
 2001-01-12 21:31:51 +00:00
bjh21
a4047bf10c Move the generic ARM disassembler from arm32/arm32 to arm/arm. 2001-01-12 13:43:11 +00:00
bjh21
6fa98146d5 Start merging actual code in arm32 and arm26: 
arm32/arm32/in_cksum_arm32.c -> arm/arm/in_cksum_arm.c

Also move specification of other checksum stuff to files.arm, even though we
use the MI code for that.
 2001-01-11 23:27:26 +00:00
bjh21
5159a10d97 Share <machine/elf_machdep.h> between arm26 and arm32. 2001-01-11 22:28:06 +00:00
bjh21
dc037466f5 Install all the headers (arm32 does). 2001-01-11 21:05:03 +00:00
bjh21
1add2fd369 Remove <arm/endian_machdep.h>, since we might get a big-endian ARM port 
some time.
 2001-01-11 21:03:10 +00:00
bjh21
0cc28d54b1 ... this one's utterly pointless though. 2001-01-10 19:05:46 +00:00
bjh21
29de7da78b Header files which don't differ between arm32 and arm26 and can thus be 
shared.
 2001-01-10 19:02:05 +00:00
bjh21
9e0af76a89 Empty file to keep config happy. 2001-01-10 18:33:47 +00:00
bjh21
f4774e6659 Skeleton ARM include infrastructure. 2001-01-10 18:23:02 +00:00