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HAL_ChibiOS: use cortex m7 instructions on F7/H7

This commit is contained in:
Andrew Tridgell 2020-01-18 16:19:11 +11:00
parent b0af48745e
commit 7a812a5516
5 changed files with 35 additions and 8 deletions
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8
libraries/AP_HAL_ChibiOS/hwdef/scripts/STM32F745xx.py
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@ -21,7 +21,13 @@ mcu = {
'RAM_MAP' : [
(0x20010000, 256, 0), # main memory, not DMA safe
(0x20000000, 64, 1), # DTCM memory, DMA safe
]
],
# this board has M7 instructions, but single precision only FPU
# we build as m4 as it makes for a smaller build, and given the 1M
# flash limit we care more about size
'CORTEX' : 'cortex-m4',
'CPU_FLAGS' : '-mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard'
}
DMA_Map = {

6
libraries/AP_HAL_ChibiOS/hwdef/scripts/STM32F767xx.py
View File

@ -38,7 +38,11 @@ mcu = {
# split DTCM in two to allow for fast checking of IS_DMA_SAFE in bouncebuffer code
(0x20000000, 64, 1), # DTCM, DMA safe
(0x20010000, 64, 2), # DTCM, 2nd half, used as fast memory. This lowers memory contention in the EKF code
]
],
# this MCU has M7 instructions and hardware double precision
'CORTEX' : 'cortex-m7',
'CPU_FLAGS' : '-mcpu=cortex-m7 -mfpu=fpv5-d16 -mfloat-abi=hard',
}
DMA_Map = {

6
libraries/AP_HAL_ChibiOS/hwdef/scripts/STM32F777xx.py
View File

@ -35,7 +35,11 @@ mcu = {
'RAM_MAP' : [
(0x20020000, 384, 0), # SRAM1/SRAM2
(0x20000000, 128, 1), # DTCM, DMA
]
],
# this MCU has M7 instructions and hardware double precision
'CORTEX' : 'cortex-m7',
'CPU_FLAGS' : '-mcpu=cortex-m7 -mfpu=fpv5-d16 -mfloat-abi=hard',
}
DMA_Map = {

6
libraries/AP_HAL_ChibiOS/hwdef/scripts/STM32H743xx.py
View File

@ -24,7 +24,11 @@ mcu = {
(0x38000000, 64, 1), # SRAM4. This supports both DMA and BDMA ops
(0x24000000, 512, 4), # AXI SRAM. Use this for SDMMC IDMA ops
(0x00000400, 63, 2), # ITCM (first 1k removed, to keep address 0 unused)
]
],
# this MCU has M7 instructions and hardware double precision
'CORTEX' : 'cortex-m7',
'CPU_FLAGS' : '-mcpu=cortex-m7 -mfpu=fpv5-d16 -mfloat-abi=hard',
}
pincount = {

13
libraries/AP_HAL_ChibiOS/hwdef/scripts/chibios_hwdef.py
View File

@ -705,17 +705,26 @@ def write_mcu_config(f):
lib = get_mcu_lib(mcu_type)
build_info = lib.build
if mcu_series.startswith("STM32F1"):
if get_mcu_config('CPU_FLAGS') and get_mcu_config('CORTEX'):
# CPU flags specified in mcu file
cortex = get_mcu_config('CORTEX')
env_vars['CPU_FLAGS'] = get_mcu_config('CPU_FLAGS').split()
build_info['MCU'] = cortex
print("MCU Flags: %s %s" % (cortex, env_vars['CPU_FLAGS']))
elif mcu_series.startswith("STM32F1"):
cortex = "cortex-m3"
env_vars['CPU_FLAGS'] = ["-mcpu=%s" % cortex]
build_info['MCU'] = cortex
else:
# default to F4
cortex = "cortex-m4"
env_vars['CPU_FLAGS'] = ["-mcpu=%s" % cortex, "-mfpu=fpv4-sp-d16", "-mfloat-abi=hard"]
build_info['MCU'] = cortex
if not args.bootloader:
if not mcu_series.startswith("STM32F1") and not args.bootloader:
env_vars['CPU_FLAGS'].append('-u_printf_float')
build_info['ENV_UDEFS'] = "-DCHPRINTF_USE_FLOAT=1"
# setup build variables
for v in build_info.keys():
build_flags.append('%s=%s' % (v, build_info[v]))