summaryrefslogtreecommitdiff
path: root/src/arch/arm/isa/formats
diff options
context:
space:
mode:
authorJack Whitman <jack-m5ml2@cs.york.ac.uk>2009-06-23 23:23:25 -0700
committerJack Whitman <jack-m5ml2@cs.york.ac.uk>2009-06-23 23:23:25 -0700
commit6dd42728040751dec6f83d7bd89a2b33f2339fc6 (patch)
treefc3525af49967dced6f40e66451150d11c35b203 /src/arch/arm/isa/formats
parentfa63af110c69ef56b2d0ca98f79b480250d24835 (diff)
downloadgem5-6dd42728040751dec6f83d7bd89a2b33f2339fc6.tar.xz
ARM: Added unimplemented load/store multiple instructions.
Diffstat (limited to 'src/arch/arm/isa/formats')
-rw-r--r--src/arch/arm/isa/formats/macromem.isa25
1 files changed, 9 insertions, 16 deletions
diff --git a/src/arch/arm/isa/formats/macromem.isa b/src/arch/arm/isa/formats/macromem.isa
index 942c444fd..df52f9413 100644
--- a/src/arch/arm/isa/formats/macromem.isa
+++ b/src/arch/arm/isa/formats/macromem.isa
@@ -58,44 +58,37 @@ inline %(class_name)s::%(class_name)s(ExtMachInst machInst)
switch (puswl)
{
+ case 0x00: // stmda
case 0x01: // L ldmda_l
- start_addr = (ones << 2) - 4;
- end_addr = 0;
- break;
+ case 0x02: // W stmda_w
case 0x03: // WL ldmda_wl
start_addr = (ones << 2) - 4;
end_addr = 0;
break;
case 0x08: // U stmia_u
- start_addr = 0;
- end_addr = (ones << 2) - 4;
- break;
case 0x09: // U L ldmia_ul
- start_addr = 0;
- end_addr = (ones << 2) - 4;
- break;
+ case 0x0a: // U W stmia
case 0x0b: // U WL ldmia
start_addr = 0;
end_addr = (ones << 2) - 4;
break;
+ case 0x10: // P stmdb
case 0x11: // P L ldmdb
- start_addr = (ones << 2); // U-bit is already 0 for subtract
- end_addr = 4; // negative 4
- break;
case 0x12: // P W stmdb
+ case 0x13: // P WL ldmdb
start_addr = (ones << 2); // U-bit is already 0 for subtract
end_addr = 4; // negative 4
break;
case 0x18: // PU stmib
- start_addr = 4;
- end_addr = (ones << 2) + 4;
- break;
case 0x19: // PU L ldmib
+ case 0x1a: // PU W stmib
+ case 0x1b: // PU WL ldmib
start_addr = 4;
end_addr = (ones << 2) + 4;
break;
default:
- panic("Unhandled Load/Store Multiple Instruction");
+ panic("Unhandled Load/Store Multiple Instruction, "
+ "puswl = 0x%x", (unsigned) puswl);
break;
}