Title: [8579] trunk/arch/blackfin/kernel/trace.c: Add a few more load/store instructions - this covers ~80% of the
- Revision
- 8579
- Author
- rgetz
- Date
- 2010-03-30 13:03:19 -0400 (Tue, 30 Mar 2010)
Log Message
Add a few more load/store instructions - this covers ~80% of the
load/stores used in the kernel.
Modified Paths
Diff
Modified: trunk/arch/blackfin/kernel/trace.c (8578 => 8579)
--- trunk/arch/blackfin/kernel/trace.c 2010-03-30 09:51:34 UTC (rev 8578)
+++ trunk/arch/blackfin/kernel/trace.c 2010-03-30 17:03:19 UTC (rev 8579)
@@ -501,9 +501,93 @@
}
}
+#define LDSTii_opcode 0xa000
+#define LDSTii_reg_bit 0
+#define LDSTii_reg_mask 0x7
+#define LDSTii_ptr_bit 3
+#define LDSTii_ptr_mask 0x7
+#define LDSTii_offset_bit 6
+#define LDSTii_offset_mask 0xf
+#define LDSTii_op_bit 10
+#define LDSTii_op_mask 0x3
+#define LDSTii_W_bit 12
+#define LDSTii_W_mask 0x1
+#define LDSTii_code_bit 13
+#define LDSTii_code_mask 0x7
+
+static void decode_LDSTii_0(unsigned int opcode)
+{
+ int reg = ((opcode >> LDSTii_reg_bit) & LDSTii_reg_mask);
+ int ptr = ((opcode >> LDSTii_ptr_bit) & LDSTii_ptr_mask);
+ int offset = ((opcode >> LDSTii_offset_bit) & LDSTii_offset_mask);
+ int op = ((opcode >> LDSTii_op_bit) & LDSTii_op_mask);
+ int W = ((opcode >> LDSTii_W_bit) & LDSTii_W_mask);
+
+ if (W == 0) {
+ pr_cont("%s%i = %s[P%i + %i]", op == 3 ? "R" : "P", reg,
+ op == 1 || op == 2 ? "" : "W", ptr, offset);
+ if (op == 2)
+ pr_cont("(Z)");
+ if (op == 3)
+ pr_cont("(X)");
+ } else {
+ pr_cont("%s[P%i + %i] = %s%i", op == 0 ? "" : "W", ptr,
+ offset, op == 3 ? "P" : "R", reg);
+ }
+}
+
+#define LDSTidxI_opcode 0xe4000000
+#define LDSTidxI_offset_bits 0
+#define LDSTidxI_offset_mask 0xffff
+#define LDSTidxI_reg_bits 16
+#define LDSTidxI_reg_mask 0x7
+#define LDSTidxI_ptr_bits 19
+#define LDSTidxI_ptr_mask 0x7
+#define LDSTidxI_sz_bits 22
+#define LDSTidxI_sz_mask 0x3
+#define LDSTidxI_Z_bits 24
+#define LDSTidxI_Z_mask 0x1
+#define LDSTidxI_W_bits 25
+#define LDSTidxI_W_mask 0x1
+#define LDSTidxI_code_bits 26
+#define LDSTidxI_code_mask 0x3f
+
+static void decode_LDSTidxI_0(unsigned int opcode)
+{
+ int Z = ((opcode >> LDSTidxI_Z_bits) & LDSTidxI_Z_mask);
+ int W = ((opcode >> LDSTidxI_W_bits) & LDSTidxI_W_mask);
+ int sz = ((opcode >> LDSTidxI_sz_bits) & LDSTidxI_sz_mask);
+ int reg = ((opcode >> LDSTidxI_reg_bits) & LDSTidxI_reg_mask);
+ int ptr = ((opcode >> LDSTidxI_ptr_bits) & LDSTidxI_ptr_mask);
+ int offset = ((opcode >> LDSTidxI_offset_bits) & LDSTidxI_offset_mask);
+
+ if (W == 0)
+ pr_cont("%s%i = ", sz == 0 && Z == 1 ? "P" : "R", reg);
+
+ if (sz == 1)
+ pr_cont("W");
+ if (sz == 2)
+ pr_cont("B");
+
+ pr_cont("[P%i + %s0x%x]", ptr, offset & 0x20 ? "-" : "",
+ (offset & 0x1f) << 2);
+
+ if (W == 0 && sz != 0) {
+ if (Z)
+ pr_cont("(X)");
+ else
+ pr_cont("(Z)");
+ }
+
+ if (W == 1)
+ pr_cont("= %s%i", (sz == 0 && Z == 1) ? "P" : "R", reg);
+
+}
+
static void decode_opcode(unsigned int opcode)
{
+
if ((opcode & 0xffffff00) == ProgCtrl_opcode)
decode_ProgCtrl_0(opcode);
else if ((opcode & 0xfffff000) == BRCC_opcode)
@@ -518,6 +602,10 @@
decode_dspLDST_0(opcode);
else if ((opcode & 0xfffff000) == LDST_opcode)
decode_LDST_0(opcode);
+ else if ((opcode & 0xffffe000) == LDSTii_opcode)
+ decode_LDSTii_0(opcode);
+ else if ((opcode & 0xfc000000) == LDSTidxI_opcode)
+ decode_LDSTidxI_0(opcode);
else if (opcode & 0xffff0000)
pr_cont("0x%08x", opcode);
else
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