Add meta-xilinx subtree
Import git://git.yoctoproject.org/meta-xilinx from 5fccc46503 as
meta-xilinx subtree.
Change-Id: I3d59bcf3a57cee588aab7f5cdd0287af66450c8a
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-xilinx/meta-xilinx-bsp/recipes-microblaze/gdb/files/0004-Patch-microblaze-Communicate-in-larger-blocks-with-t.patch b/meta-xilinx/meta-xilinx-bsp/recipes-microblaze/gdb/files/0004-Patch-microblaze-Communicate-in-larger-blocks-with-t.patch
new file mode 100644
index 0000000..b14e409
--- /dev/null
+++ b/meta-xilinx/meta-xilinx-bsp/recipes-microblaze/gdb/files/0004-Patch-microblaze-Communicate-in-larger-blocks-with-t.patch
@@ -0,0 +1,67 @@
+From 26e124f0d78233b1d976bd4b787f6a7866bcb7e7 Mon Sep 17 00:00:00 2001
+From: nagaraju <nmekala@xilix.com>
+Date: Wed, 4 Jan 2012 16:59:33 +0530
+Subject: [PATCH 04/16] [Patch, microblaze]: Communicate in larger blocks with
+ the target
+
+Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
+Upstream-Status: Pending
+---
+ gdb/microblaze-tdep.c | 25 ++++++++++++++++++++++---
+ 1 file changed, 22 insertions(+), 3 deletions(-)
+
+diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c
+index 36cf1ca..76e87b3 100644
+--- a/gdb/microblaze-tdep.c
++++ b/gdb/microblaze-tdep.c
+@@ -242,6 +242,10 @@ microblaze_analyze_prologue (struct gdbarch *gdbarch, CORE_ADDR pc,
+ int flags = 0;
+ int save_hidden_pointer_found = 0;
+ int non_stack_instruction_found = 0;
++ int n_insns;
++ unsigned long *insn_block;
++ gdb_byte *buf_block;
++ int ti, tj;
+
+ /* Find the start of this function. */
+ find_pc_partial_function (pc, &name, &func_addr, &func_end);
+@@ -281,9 +285,23 @@ microblaze_analyze_prologue (struct gdbarch *gdbarch, CORE_ADDR pc,
+ name, paddress (gdbarch, func_addr),
+ paddress (gdbarch, stop));
+
++/* Do a block read to minimize the transaction with the Debug Agent */
++ n_insns = (stop == func_addr) ? 1 : ((stop - func_addr) / INST_WORD_SIZE);
++ insn_block = (unsigned long *)calloc(n_insns, sizeof(unsigned long));
++ buf_block = (gdb_byte *)calloc(n_insns * INST_WORD_SIZE, sizeof(gdb_byte));
++
++ target_read_memory (func_addr, buf_block, n_insns * INST_WORD_SIZE );
++
++ for(ti = 0; ti < n_insns; ti++){
++ insn_block[ti] = 0;
++ for( tj = ti * INST_WORD_SIZE; tj < (ti + 1) * INST_WORD_SIZE; tj++ )
++ insn_block[ti] = (insn_block[ti] << 8) | buf_block[tj];
++ }
++
+ for (addr = func_addr; addr < stop; addr += INST_WORD_SIZE)
+ {
+- insn = microblaze_fetch_instruction (addr);
++ //insn = microblaze_fetch_instruction (addr);
++ insn = insn_block[(addr - func_addr) / INST_WORD_SIZE];
+ op = microblaze_decode_insn (insn, &rd, &ra, &rb, &imm);
+ microblaze_debug ("%s %08lx\n", paddress (gdbarch, pc), insn);
+
+@@ -409,8 +427,9 @@ microblaze_analyze_prologue (struct gdbarch *gdbarch, CORE_ADDR pc,
+ part of the prologue. */
+ if (save_hidden_pointer_found)
+ prologue_end_addr -= INST_WORD_SIZE;
+-
+- return prologue_end_addr;
++ free(insn_block);
++ free(buf_block);
++ return prologue_end_addr;
+ }
+
+ static CORE_ADDR
+--
+1.9.0
+