Initial check-in for STM32 board

BootLoaders/Boards/stm32/system/support/gdb/gpio/gpio.gdb

@@ -0,0 +1,12 @@
+set print pretty on
+
+print "GPIOA registers:"
+p/x *GPIOA->regs
+print "GPIOB registers:"
+p/x *GPIOB->regs
+print "GPIOC registers:"
+p/x *GPIOC->regs
+print "GPIOD registers:"
+p/x *GPIOD->regs
+print "AFIO registers:"
+p/x *(struct afio_reg_map*)0x40010000

BootLoaders/Boards/stm32/system/support/gdb/i2c/test.gdb

@@ -0,0 +1,112 @@
+define i2c_sr1_flags
+set $s = $arg0
+printf "SR1: "
+
+if (($s & (1 << 15)))
+    printf "SMBALERT "
+end
+
+if (($s & (1 << 14)))
+    printf "TIMEOUT "
+end
+
+if (($s & (1 << 12)))
+    printf "PECERR "
+end
+
+if (($s & (1 << 11)))
+    printf "OVR "
+end
+
+if (($s & (1 << 10)))
+    printf "AF "
+end
+
+if (($s & (1 << 9)))
+    printf "ARLO "
+end
+
+if (($s & (1 << 8)))
+    printf "BERR "
+end
+
+if (($s & (1 << 7)))
+    printf "TXE "
+end
+
+if (($s & (1 << 6)))
+    printf "RXNE "
+end
+
+if (($s & (1 << 4)))
+    printf "STOPF "
+end
+
+if (($s & (1 << 3)))
+    printf "ADD10 "
+end
+
+if (($s & (1 << 2)))
+    printf "BTF "
+end
+
+if (($s & (1 << 1)))
+    printf "ADDR "
+end
+
+if (($s & (1 << 0)))
+    printf "SB "
+end
+end
+
+define i2c_sr2_flags
+set $s = $arg0
+printf "SR2: "
+
+if (($s & (1 << 7)))
+    printf "DUALF "
+end
+
+if (($s & (1 << 6)))
+    printf "SMBHOST "
+end
+
+if (($s & (1 << 5)))
+    printf "SMBDEFAULT "
+end
+
+if (($s & (1 << 4)))
+    printf "GENCALL "
+end
+
+
+if (($s & (1 << 2)))
+    printf "TRA "
+end
+
+if (($s & (1 << 1)))
+    printf "BUSY "
+end
+
+if (($s & (1 << 0)))
+    printf "MSL "
+end
+
+end
+
+define pbc
+set $c = crumbs
+while ($c->event)
+    if ($c->event != 0)
+        printf "Event: %d ", $c->event
+        if ($c->event == 1)
+            i2c_sr1_flags $c->sr1
+            printf "\t"
+            i2c_sr2_flags $c->sr2
+        end
+        printf "\n"
+    end
+    set $c = $c + 1
+end
+
+