diff options
Diffstat (limited to 'base/remote_gdb.cc')
| -rw-r--r-- | base/remote_gdb.cc | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/base/remote_gdb.cc b/base/remote_gdb.cc index e20800d12..41f11005d 100644 --- a/base/remote_gdb.cc +++ b/base/remote_gdb.cc @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003 The Regents of The University of Michigan + * Copyright (c) 2002-2004 The Regents of The University of Michigan * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -332,23 +332,28 @@ RemoteGDB::acc(Addr va, size_t len) last_va = alpha_round_page(va + len); do { - if (va < ALPHA_K0SEG_BASE) { - DPRINTF(GDBAcc, "acc: Mapping is invalid %#x < K0SEG\n", va); - return false; - } - - if (va < ALPHA_K1SEG_BASE) { + if (va >= ALPHA_K0SEG_BASE && va < ALPHA_K1SEG_BASE) { if (va < (ALPHA_K0SEG_BASE + pmem->size())) { DPRINTF(GDBAcc, "acc: Mapping is valid K0SEG <= " "%#x < K0SEG + size\n", va); return true; } else { - DPRINTF(GDBAcc, "acc: Mapping is invalid %#x < K0SEG\n", + DPRINTF(GDBAcc, "acc: Mapping invalid %#x > K0SEG + size\n", va); return false; } } + /** + * This code says that all accesses to palcode (instruction and data) + * are valid since there isn't a va->pa mapping because palcode is + * accessed physically. At some point this should probably be cleaned up + * but there is no easy way to do it. + */ + + if (PC_PAL(va) || va < 0x10000) + return true; + Addr ptbr = context->regs.ipr[AlphaISA::IPR_PALtemp20]; pte = kernel_pte_lookup(pmem, ptbr, va); if (!pte || !entry_valid(pmem->phys_read_qword(pte))) { |