Squash commits for public release

utils/legacy/copy_bin.py

@@ -0,0 +1,112 @@
+from config import *
+
+copyTo = 'one.img'
+copyFrom = 'products/kernel.bin'
+kernelSize = 0
+
+def open_file():
+    global kernelSize
+    kernelSize = 0
+    # dd = [0, 0]
+    dd = []
+
+    with open(copyFrom, "rb") as f:
+        byte = f.read(1)
+        dd.append(int.from_bytes(byte, byteorder='little'))
+        kernelSize += 1
+        while byte != b"":
+            kernelSize += 1
+            byte = f.read(1)
+            dd.append(int.from_bytes(byte, byteorder='little'))
+    return dd
+
+def open_app(fname):
+    dd = []
+
+    with open(fname, "rb") as f:
+        byte = f.read(1)
+        dd.append(int.from_bytes(byte, byteorder='little'))
+        while byte != b"":
+            byte = f.read(1)
+            dd.append(int.from_bytes(byte, byteorder='little'))
+    return dd
+
+def write_file(dd, withPos = 0):
+    with open(copyTo, "rb+") as f:
+        f.seek(withPos, 0)
+        for x in dd:
+            f.write(x.to_bytes(1, 'little', signed=False))
+
+def append(res, plus, offset):
+    for (id,el) in enumerate(plus):
+        res[id+offset] = el
+    return res
+
+def get_from(offset, len):
+    global dd
+    res = 0
+    mt = 1
+    for i in range(len):
+        res += dd[offset + i] * mt
+        mt *= 256
+    return res
+
+dd = open_file()
+
+e_shoff = get_from(0x20, 4)
+e_shentsize = get_from(0x2E, 2)
+e_shnum = get_from(0x30, 2)
+e_shstrndx = get_from(0x32, 2)
+print("Start of the section header table ", e_shoff, e_shentsize, e_shnum, e_shstrndx)
+
+text_size = 0
+data_size = 0
+bss_size = 0
+
+e_shoff_now = e_shoff
+txt_offset = get_from(e_shoff + e_shstrndx * e_shentsize + 0x10, 4)
+for i in range(e_shnum + 1):
+    if i == e_shstrndx:
+        continue
+    name = ""
+    sh_name = get_from(e_shoff_now + 0x00, 4)
+    print(sh_name)
+    while dd[txt_offset+sh_name] != 0:
+        name += chr(dd[txt_offset+sh_name])
+        sh_name+=1
+    sh_type = get_from(e_shoff_now + 0x04, 4)
+    sh_size = get_from(e_shoff_now + 0x14, 4)
+    sh_entsize = get_from(e_shoff_now + 0x24, 4)
+    if name == '.text':
+        text_size += sh_size
+    if name == '.rodata':
+        text_size += sh_size
+    if name == '.eh_frame':
+        text_size += sh_size
+    if name == '.data':
+        data_size += sh_size
+    if name == '.bss':
+        bss_size += sh_size
+    print(name, sh_type, sh_size, sh_entsize)
+    e_shoff_now += e_shentsize
+
+
+print("text: {0}, data: {1}, bss:{2}".format(text_size, data_size, bss_size))
+
+kernelSize = text_size + data_size + bss_size
+kernelSize += 2 # Including offset of size
+kernelSizeKb = (kernelSize + 1024 - 1) // 1024
+kernelSizeKb1 = kernelSizeKb % 256
+kernelSizeKb2 = kernelSizeKb // 256
+print("Kernel Size (KB) ", kernelSizeKb)
+d_kernel = [0, 0]
+d_kernel[0] = kernelSizeKb1
+d_kernel[1] = kernelSizeKb2
+
+d_kernel += dd[0x1000:(0x1000 + text_size)]
+# print_g(d_kernel)
+
+zeroes = [0] * (512 * (format_settings['ReservedSectors'] - 1))
+write_file(zeroes, 512)
+write_file(d_kernel, 512)
+print(kernelSize)