FreeChainXenon/binutils-gdb
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* monitor.c (monitor_open): If a dcache has already been created,

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invalidate it rather than creating another.
* ocd.c (ocd_open): Likewise.
* remote-nindy.c (nindy_open): Likewise.
* remote-sds.c (sds_open): Likewise.
* remote-utils.c (gr_open): Likewise.
* remote.c (remote_open_1, remote_cisco_open): Likewise.

* dcache.c (dcache_alloc): Changed to take address of line as an
argument, and to invalidate cache line before returning.
(dcache_peek_byte): Updated.
(dcache_poke_byte): Updated.
-------------------------------------------------------------------
This commit is contained in:
J.T. Conklin 2000-08-10 18:54:27 +00:00
parent e84d946b3a
commit f1d7622b95
8 changed files with 63 additions and 22 deletions
Download patch file Download diff file Expand all files Collapse all files

24
gdb/dcache.c
View file

@ -157,7 +157,7 @@ static struct dcache_block *dcache_hit (DCACHE * dcache, CORE_ADDR addr);
static int dcache_write_line (DCACHE * dcache, struct dcache_block *db);
static struct dcache_block *dcache_alloc (DCACHE * dcache);
static struct dcache_block *dcache_alloc (DCACHE * dcache, CORE_ADDR addr);
static int dcache_writeback (DCACHE * dcache);
@ -267,15 +267,10 @@ dcache_write_line (DCACHE *dcache, register struct dcache_block *db)
/* Get a free cache block, put or keep it on the valid list,
and return its address. The caller should store into the block
the address and data that it describes, then remque it from the
free list and insert it into the valid list. This procedure
prevents errors from creeping in if a memory retrieval is
interrupted (which used to put garbage blocks in the valid
list...). */
and return its address. */
static struct dcache_block *
dcache_alloc (DCACHE *dcache)
dcache_alloc (DCACHE *dcache, CORE_ADDR addr)
{
register struct dcache_block *db;
@ -297,6 +292,11 @@ dcache_alloc (DCACHE *dcache)
dcache_write_line (dcache, db);
}
db->addr = MASK(addr);
db->refs = 0;
db->anydirty = 0;
memset (db->state, ENTRY_BAD, sizeof (db->data));
/* append this line to end of valid list */
if (!dcache->valid_head)
dcache->valid_head = db;
@ -327,9 +327,9 @@ dcache_peek_byte (DCACHE *dcache, CORE_ADDR addr, char *ptr)
dcache_write_line (dcache, db);
}
else
db = dcache_alloc (dcache);
db = dcache_alloc (dcache, addr);
immediate_quit++;
db->addr = MASK (addr);
while (done < LINE_SIZE)
{
int try =
@ -379,9 +379,7 @@ dcache_poke_byte (DCACHE *dcache, CORE_ADDR addr, char *ptr)
if (!db)
{
db = dcache_alloc (dcache);
db->addr = MASK (addr);
memset (db->state, ENTRY_BAD, sizeof (db->data));
db = dcache_alloc (dcache, addr);
}
db->data[XFORM (addr)] = *ptr;