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pic16bit: Make it build with recent XC16 versions.

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The PIC16 port didn't catch up with the other ports, so it required a bit
of work to make it build with the latest version of XC16.

Signed-off-by: Alessandro Gatti <a.gatti@frob.it>
This commit is contained in:
Alessandro Gatti 2024-09-12 13:08:32 +02:00 committed by Damien George
parent 548babf8a0
commit d34b15ac6f
3 changed files with 15 additions and 6 deletions
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4
ports/pic16bit/Makefile
View File

@ -7,7 +7,7 @@ QSTR_DEFS = qstrdefsport.h
include $(TOP)/py/py.mk
include $(TOP)/extmod/extmod.mk
XCVERSION ?= 1.35
XCVERSION ?= 2.10
XC16 ?= /opt/microchip/xc16/v$(XCVERSION)
CROSS_COMPILE ?= $(XC16)/bin/xc16-
@ -31,7 +31,7 @@ CFLAGS += -O1 -DNDEBUG
endif
LDFLAGS += --heap=0 -nostdlib -T $(XC16)/support/$(PARTFAMILY)/gld/p$(PART).gld -Map=$@.map --cref -p$(PART)
LIBS += -L$(XC16)/lib -L$(XC16)/lib/$(PARTFAMILY) -lc -lm -lpic30
LIBS += -L$(XC16)/lib -L$(XC16)/lib/$(PARTFAMILY) -lc99-elf -lm-elf -lc99-pic30-elf
SRC_C = \
main.c \

4
ports/pic16bit/mpconfigport.h
View File

@ -93,7 +93,3 @@ typedef int mp_off_t;
#define MICROPY_MPHALPORT_H "pic16bit_mphal.h"
#define MICROPY_HW_BOARD_NAME "dsPICSK"
#define MICROPY_HW_MCU_NAME "dsPIC33"
// XC16 toolchain doesn't seem to define these
typedef int intptr_t;
typedef unsigned int uintptr_t;

13
py/misc.h
View File

@ -380,6 +380,18 @@ static inline bool mp_check(bool value) {
// mp_int_t can be larger than long, i.e. Windows 64-bit, nan-box variants
static inline uint32_t mp_clz_mpi(mp_int_t x) {
#ifdef __XC16__
mp_uint_t mask = MP_OBJ_WORD_MSBIT_HIGH;
mp_uint_t zeroes = 0;
while (mask != 0) {
if (mask & (mp_uint_t)x) {
break;
}
zeroes++;
mask >>= 1;
}
return zeroes;
#else
MP_STATIC_ASSERT(sizeof(mp_int_t) == sizeof(long long)
|| sizeof(mp_int_t) == sizeof(long));
@ -389,6 +401,7 @@ static inline uint32_t mp_clz_mpi(mp_int_t x) {
} else {
return mp_clzll((unsigned long long)x);
}
#endif
}
#endif // MICROPY_INCLUDED_PY_MISC_H