64 lines
1.7 KiB
Python
64 lines
1.7 KiB
Python
from operator import itemgetter
|
|
import re
|
|
|
|
def get_macros(filename):
|
|
f = open(filename, "r")
|
|
r = {}
|
|
for line in f:
|
|
match = re.match("\w*#define\s+(\w+)\s+(.*)", line, re.IGNORECASE)
|
|
if match:
|
|
r[match.group(1)] = match.group(2)
|
|
return r
|
|
|
|
def _get_rw_functions(reg_name, reg_base, size):
|
|
r = ""
|
|
if size > 8:
|
|
raise NotImplementedError("Register too large")
|
|
elif size > 4:
|
|
ctype = "unsigned long long int"
|
|
elif size > 2:
|
|
ctype = "unsigned int"
|
|
elif size > 1:
|
|
ctype = "unsigned short int"
|
|
else:
|
|
ctype = "unsigned char"
|
|
|
|
r += "static inline "+ctype+" "+reg_name+"_read(void) {\n"
|
|
if size > 1:
|
|
r += "\t"+ctype+" r = MMPTR("+hex(reg_base)+");\n"
|
|
for byte in range(1, size):
|
|
r += "\tr <<= 8;\n\tr |= MMPTR("+hex(reg_base+4*byte)+");\n"
|
|
r += "\treturn r;\n}\n"
|
|
else:
|
|
r += "\treturn MMPTR("+hex(reg_base)+");\n}\n"
|
|
|
|
r += "static inline void "+reg_name+"_write("+ctype+" value) {\n"
|
|
for byte in range(size):
|
|
shift = (size-byte-1)*8
|
|
if shift:
|
|
value_shifted = "value >> "+str(shift)
|
|
else:
|
|
value_shifted = "value"
|
|
r += "\tMMPTR("+hex(reg_base+4*byte)+") = "+value_shifted+";\n"
|
|
r += "}\n"
|
|
return r
|
|
|
|
def get_csr_header(csr_base, bank_array, interrupt_map):
|
|
r = "#ifndef __HW_CSR_H\n#define __HW_CSR_H\n#include <hw/common.h>\n"
|
|
for name, rmap in bank_array.banks:
|
|
r += "\n/* "+name+" */\n"
|
|
reg_base = csr_base + 0x800*rmap.address
|
|
r += "#define "+name.upper()+"_BASE "+hex(reg_base)+"\n"
|
|
for register in rmap.description:
|
|
nr = (register.get_size() + 7)//8
|
|
r += _get_rw_functions(name + "_" + register.name, reg_base, nr)
|
|
reg_base += 4*nr
|
|
try:
|
|
interrupt_nr = interrupt_map[name]
|
|
except KeyError:
|
|
pass
|
|
else:
|
|
r += "#define "+name.upper()+"_INTERRUPT "+str(interrupt_nr)+"\n"
|
|
r += "\n#endif\n"
|
|
return r
|