3bd6274477
Merge remote-tracking branch 'upstream/master' into interpreter-fixes
2024-11-06 08:27:50 -05:00
7a4255b732
fix LDM bugs
2024-10-29 14:18:57 +01:00
e0e78a2bc8
make empty r-list instructions a bit nicer
...
pass bools as a single u8 instead and combine thumb and restore cpsr flags since they're mutually exclusive
2024-10-12 11:10:06 -04:00
7fb18b1155
clean up code
2024-09-23 20:03:58 -04:00
3b73f21bb7
str r15 is incremented by +2/+4 oop
2024-09-23 16:12:23 -04:00
8af790beee
ldm/str with empty rlist
2024-09-23 15:00:35 -04:00
a0d71135a1
very minor optimization attempt
2024-09-13 07:33:18 -04:00
c5ac682f04
improve data abort handling further
2024-09-12 18:25:54 -04:00
0003821738
apparently i never tested this
2024-08-28 22:04:22 -04:00
685c4828a2
try not forgetting about stores lol
2024-08-28 13:45:46 -04:00
be290da23c
de-duplicate swp(b)
2024-08-27 17:23:18 -04:00
a9aad74539
implement user mode load/stores
2024-08-26 20:43:27 -04:00
40e8e8e7bd
rework single load/stores to use a shared instruction
2024-08-24 11:46:23 -04:00
ab2a8f128f
revert timing tweaks, finish thumb interwork code
2024-08-04 14:54:36 -04:00
4fcd52ed16
someday i will learn to test things before pushing them
2024-07-11 20:19:25 -04:00
038ffa3a35
revert the *entire* interlock implemention
...
too slow, not accurate enough.
we need to do a *lot* more research into the specifics of how this works with all the various aspects of the cpu's timings before we can make a good implementation
2024-07-11 20:08:35 -04:00
0060958fed
Merge remote-tracking branch 'upstream/master' into jump-after-writeback
2024-07-03 15:26:58 -04:00
c5b035a973
SWP and SWPB use the same behavior as STR on the ARM9
2024-06-25 11:20:01 -04:00
541e1e6388
proper timings for ldr/str
2024-06-25 09:08:11 -04:00
c5258d6377
verify interlocks for alu and load/store
...
remove some checks for interlock that im pretty sure can't trigger
2024-06-17 18:07:53 -04:00
f00f1f6ca4
im smart
2024-06-16 20:50:42 -04:00
5b37ca70d1
implement correct/guess interlocks for remaining instructions
2024-06-16 20:47:01 -04:00
a973c0bf5b
initial implementation of interlock cycles
2024-06-15 16:07:36 -04:00
8fc403cdad
update copyright headers
2024-06-15 17:01:19 +02:00
5a174a2ce3
track interlock cycles for load instructions
2024-06-14 00:51:55 -04:00
42218106b0
verify writable msr bits
2024-06-11 10:30:30 -04:00
048b0b8878
swp/swpb jumps work on the arm 7?
2024-06-10 18:03:56 -04:00
3ddccde5b9
verified
...
also remove no longer needed variable
2024-06-10 13:23:18 -04:00
ca04710deb
ldrd is just ldm
2024-06-09 22:31:10 -04:00
ae0824fdd3
it all makes sense now...
2024-06-09 19:10:43 -04:00
b846c6f100
remove out of date comments
2024-06-08 22:17:07 -04:00
849d4e51ac
imma be real, i have no idea what is going on here
2024-06-08 22:12:44 -04:00
659763f903
clarification
2024-06-08 16:15:02 -04:00
0c887202e7
fix some more instructions?
2024-06-08 10:40:23 -04:00
73507621f5
idk why it took me two tries to get these instructions to work properly
2024-06-07 23:50:31 -04:00
2b0ed459e1
fully implement r15 stores being +12 of addr
2024-06-07 23:46:49 -04:00
bd3611b51d
unaligned registers with strd/ldrd raise an exception
2024-06-07 20:43:02 -04:00
8bc7e4591c
thumb ldmia/pop data aborts
2024-06-06 19:05:28 -04:00
d6cd189455
rework data abort handling for ldm/stm; implement thumb stmia+push
2024-06-06 18:58:43 -04:00
13ae96b4e3
simple thumb instructions (untested but probably right)
2024-06-05 14:32:12 -04:00
7c3108e20f
handle swp instruction aborts
2024-06-05 14:31:44 -04:00
1871c48849
fix double data aborts with strd
2024-06-05 10:28:51 -04:00
317a8c61e5
data abort handling for (almost) all (arm) instructions
...
full list: strb, ldrb, strh, ldrd, strd, ldrh, ldrsb, ldrsh
2024-06-05 00:14:14 -04:00
1e8194e367
fix ldr and str
2024-06-04 19:06:54 -04:00
c2a57b79a0
fix stmd(a/b) writeback
2024-06-02 22:41:01 -04:00
5e760a1536
slightly cleaner code
2024-06-02 19:34:29 -04:00
b5c1ee33fb
implement stm
2024-06-02 10:33:29 -04:00
63d4b78733
improve implementation
2024-06-02 10:13:50 -04:00
960f063eaa
improve data aborts for ldm
2024-06-02 00:11:01 -04:00
065573f316
fix writebacks overwriting registers swapped with spsr
...
fixes gbarunner3
2024-05-31 18:09:45 -04:00
Jaklyy