pseries: Update SLOF firmware image

[qemu.git] / target-mips / TODO

diff --git a/target-mips/TODO b/target-mips/TODO
index 6d842e0148b7ddfd1974492fc1e5e5e8e5986ab0..1d782d8027e010c4d2d303c20db52366950d6e50 100644 (file)
--- a/target-mips/TODO
+++ b/target-mips/TODO
@@ -4,11 +4,9 @@ Unsolved issues/bugs in the mips/mipsel backend
 General
 -------
 - Unimplemented ASEs:
-  - MIPS16
   - MDMX
   - SmartMIPS
-  - DSP r1
-  - DSP r2
+  - microMIPS DSP r1 & r2 encodings
 - MT ASE only partially implemented and not functional
 - Shadow register support only partially implemented,
   lacks set switching on interrupt/exception.
@@ -17,7 +15,7 @@ General
   Existing documentation is x86-centric.
 - Reverse endianness bit not implemented
 - The TLB emulation is very inefficient:
-  Qemu's softmmu implements a x86-style MMU, with separate entries
+  QEMU's softmmu implements a x86-style MMU, with separate entries
   for read/write/execute, a TLB index which is just a modulo of the
   virtual address, and a set of TLBs for each user/kernel/supervisor
   MMU mode.
@@ -26,9 +24,10 @@ General
   up to 256 ASID tags as additional matching criterion (which roughly
   equates to 256 MMU modes). It also has a global flag which causes
   entries to match regardless of ASID.
-  To cope with these differences, Qemu currently flushes the TLB at
+  To cope with these differences, QEMU currently flushes the TLB at
   each ASID change. Using the MMU modes to implement ASIDs hinges on
   implementing the global bit efficiently.
+- save/restore of the CPU state is not implemented (see machine.c).
 
 MIPS64
 ------
@@ -36,7 +35,8 @@ MIPS64
 
 "Generic" 4Kc system emulation
 ------------------------------
-- Doesn't correspond to any real hardware.
+- Doesn't correspond to any real hardware. Should be removed some day,
+  U-Boot is the last remaining user.
 
 PICA 61 system emulation
 ------------------------
@@ -45,11 +45,7 @@ PICA 61 system emulation
 MALTA system emulation
 ----------------------
 - We fake firmware support instead of doing the real thing
-- Real firmware falls over when trying to init RAM, presumably due
-  to lacking system controller emulation.
-
-mipssim system emulation
-------------------------
-- The mipsnet.c has a glitch: Booting from NFS root works up until
-  starting /sbin/init, then it Linux hangs with "NFS server not
-  responding".
+- Real firmware (YAMON) falls over when trying to init RAM, presumably
+  due to lacking system controller emulation.
+- Bonito system controller not implemented
+- MSC1 system controller not implemented