imxtools: move hwemul to its own directory

The hwemul is only partly imx specific: the stub is stmp specific
but could be ported to other targets, the computer side and the
protocol are mostly stmp independent (or should be).

Change-Id: If88febffe591b0de86ea11cb740455ba20ddc401

1 files changed, 17 insertions, 0 deletions

diff --git a/utils/hwstub/stmp/crt0.S b/utils/hwstub/stmp/crt0.S
new file mode 100644
index 0000000000..e2d4742d36
--- /dev/null
+++ b/utils/hwstub/stmp/crt0.S
@@ -0,0 +1,17 @@
+.section    .text,"ax",%progbits
+.code       32
+.align      0x04
+.global     start
+start:
+    msr     cpsr_c, #0xd3 /* enter supervisor mode, disable IRQ/FIQ */
+    ldr     sp, =oc_stackend
+    /* clear bss */
+    ldr     r2, =bss_start
+    ldr     r3, =bss_end
+    mov     r4, #0
+1:
+    cmp     r3, r2
+    strhi   r4, [r2], #4
+    bhi     1b
+    /* jump to C code */
+    b       main