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targets: let specific targets inherit more general targets

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This avoids a ton of duplication and makes it easier to change a generic
target (for example, the "cortex-m" target) for all boards that use it.

Also, by making it possible to inherit properties from a parent target
specification, it is easier to support out-of-tree boards that don't
have to be updated so often. A target specification for a
special-purpose board can simply inherit the specification of a
supported chip and override the properites it needs to override (like
the programming interface).
This commit is contained in:
Ayke van Laethem
2018-11-19 21:08:12 +01:00
parent f02766265c
commit 760bc5d0a4
10 changed files with 198 additions and 91 deletions
Download Patch File Download Diff File Expand all files Collapse all files
targets/bluepill.json
+14 -5
View File
@@ -1,9 +1,18 @@
{
"inherits": ["cortex-m"],
"llvm-target": "armv7m-none-eabi",
"build-tags": ["bluepill", "stm32f103xx", "stm32", "tinygo.arm", "js", "wasm"],
"linker": "arm-none-eabi-gcc",
"rtlib": "compiler-rt",
"pre-link-args": ["-nostdlib", "-nostartfiles", "-mcpu=cortex-m3", "-mthumb", "-T", "targets/stm32.ld", "-Wl,--gc-sections", "-fno-exceptions", "-fno-unwind-tables", "-ffunction-sections", "-fdata-sections", "-Os", "src/device/stm32/stm32f103xx.s"],
"objcopy": "arm-none-eabi-objcopy",
"build-tags": ["bluepill", "stm32f103xx", "stm32"],
"pre-link-args": [
"-nostdlib",
"-nostartfiles",
"-mcpu=cortex-m3",
"-mthumb",
"-T", "targets/stm32.ld",
"-Wl,--gc-sections",
"-fno-exceptions", "-fno-unwind-tables",
"-ffunction-sections", "-fdata-sections",
"-Os",
"src/device/stm32/stm32f103xx.s"
],
"flash": "openocd -f interface/stlink-v2.cfg -f target/stm32f1x.cfg -c 'program {hex} reset exit'"
}
targets/cortex-m.json
+7
View File
@@ -0,0 +1,7 @@
{
"build-tags": ["tinygo.arm", "js", "wasm"],
"linker": "arm-none-eabi-gcc",
"rtlib": "compiler-rt",
"objcopy": "arm-none-eabi-objcopy",
"gdb": "arm-none-eabi-gdb"
}
targets/microbit.json
+2 -21
View File
@@ -1,26 +1,7 @@
{
"llvm-target": "armv6m-none-eabi",
"build-tags": ["microbit", "nrf51822", "nrf51", "nrf", "tinygo.arm", "js", "wasm"],
"linker": "arm-none-eabi-gcc",
"rtlib": "compiler-rt",
"pre-link-args": [
"-nostdlib",
"-nostartfiles",
"-mcpu=cortex-m0",
"-mthumb",
"-T", "targets/nrf51.ld",
"-Wl,--gc-sections",
"-fno-exceptions", "-fno-unwind-tables",
"-ffunction-sections", "-fdata-sections",
"-Os",
"-DNRF51",
"-Ilib/CMSIS/CMSIS/Include",
"lib/nrfx/mdk/system_nrf51.c",
"src/device/nrf/nrf51.s"
],
"objcopy": "arm-none-eabi-objcopy",
"inherits": ["nrf51"],
"build-tags": ["microbit"],
"flash": "openocd -f interface/cmsis-dap.cfg -f target/nrf51.cfg -c 'program {hex} reset exit'",
"ocd-daemon": ["openocd", "-f", "interface/cmsis-dap.cfg", "-f", "target/nrf51.cfg"],
"gdb": "arm-none-eabi-gdb",
"gdb-initial-cmds": ["target remote :3333", "monitor halt", "load", "monitor reset", "c"]
}
targets/nrf51.json
+20
View File
@@ -0,0 +1,20 @@
{
"inherits": ["cortex-m"],
"llvm-target": "armv6m-none-eabi",
"build-tags": ["nrf51822", "nrf51", "nrf"],
"pre-link-args": [
"-nostdlib",
"-nostartfiles",
"-mcpu=cortex-m0",
"-mthumb",
"-T", "targets/nrf51.ld",
"-Wl,--gc-sections",
"-fno-exceptions", "-fno-unwind-tables",
"-ffunction-sections", "-fdata-sections",
"-Os",
"-DNRF51",
"-Ilib/CMSIS/CMSIS/Include",
"lib/nrfx/mdk/system_nrf51.c",
"src/device/nrf/nrf51.s"
]
}
targets/nrf52.json
+20
View File
@@ -0,0 +1,20 @@
{
"inherits": ["cortex-m"],
"llvm-target": "armv7em-none-eabi",
"build-tags": ["nrf52", "nrf"],
"pre-link-args": [
"-nostdlib",
"-nostartfiles",
"-mcpu=cortex-m4",
"-mthumb",
"-T", "targets/nrf52.ld",
"-Wl,--gc-sections",
"-fno-exceptions", "-fno-unwind-tables",
"-ffunction-sections", "-fdata-sections",
"-Os",
"-DNRF52832_XXAA",
"-Ilib/CMSIS/CMSIS/Include",
"lib/nrfx/mdk/system_nrf52.c",
"src/device/nrf/nrf52.s"
]
}
targets/nrf52840-mdk.json
+2 -20
View File
@@ -1,25 +1,7 @@
{
"llvm-target": "armv7em-none-eabi",
"build-tags": ["nrf52840_mdk", "nrf52840", "nrf", "tinygo.arm", "js", "wasm"],
"linker": "arm-none-eabi-gcc",
"pre-link-args": [
"-nostdlib",
"-nostartfiles",
"-mcpu=cortex-m4",
"-mthumb",
"-T", "targets/nrf52840.ld",
"-Wl,--gc-sections",
"-fno-exceptions", "-fno-unwind-tables",
"-ffunction-sections", "-fdata-sections",
"-Os",
"-DNRF52840_XXAA",
"-Ilib/CMSIS/CMSIS/Include",
"lib/nrfx/mdk/system_nrf52840.c",
"src/device/nrf/nrf52840.s"
],
"objcopy": "arm-none-eabi-objcopy",
"inherits": ["nrf52840"],
"build-tags": ["nrf52840_mdk"],
"flash": "openocd -f interface/cmsis-dap.cfg -f target/nrf51.cfg -c 'program {hex} reset exit'",
"ocd-daemon": ["openocd", "-f", "interface/cmsis-dap.cfg", "-f", "target/nrf51.cfg"],
"gdb": "arm-none-eabi-gdb",
"gdb-initial-cmds": ["target remote :3333", "monitor halt", "load", "monitor reset", "c"]
}
targets/nrf52840.json
+20
View File
@@ -0,0 +1,20 @@
{
"inherits": ["cortex-m"],
"llvm-target": "armv7em-none-eabi",
"build-tags": ["nrf52840", "nrf"],
"pre-link-args": [
"-nostdlib",
"-nostartfiles",
"-mcpu=cortex-m4",
"-mthumb",
"-T", "targets/nrf52840.ld",
"-Wl,--gc-sections",
"-fno-exceptions", "-fno-unwind-tables",
"-ffunction-sections", "-fdata-sections",
"-Os",
"-DNRF52840_XXAA",
"-Ilib/CMSIS/CMSIS/Include",
"lib/nrfx/mdk/system_nrf52840.c",
"src/device/nrf/nrf52840.s"
]
}
targets/pca10040.json
+2 -21
View File
@@ -1,26 +1,7 @@
{
"llvm-target": "armv7em-none-eabi",
"build-tags": ["pca10040", "nrf52832", "nrf52", "nrf", "tinygo.arm", "js", "wasm"],
"linker": "arm-none-eabi-gcc",
"rtlib": "compiler-rt",
"pre-link-args": [
"-nostdlib",
"-nostartfiles",
"-mcpu=cortex-m4",
"-mthumb",
"-T", "targets/nrf52.ld",
"-Wl,--gc-sections",
"-fno-exceptions", "-fno-unwind-tables",
"-ffunction-sections", "-fdata-sections",
"-Os",
"-DNRF52832_XXAA",
"-Ilib/CMSIS/CMSIS/Include",
"lib/nrfx/mdk/system_nrf52.c",
"src/device/nrf/nrf52.s"
],
"objcopy": "arm-none-eabi-objcopy",
"inherits": ["nrf52"],
"build-tags": ["pca10040"],
"flash": "nrfjprog -f nrf52 --sectorerase --program {hex} --reset",
"ocd-daemon": ["openocd", "-f", "interface/jlink.cfg", "-c", "transport select swd", "-f", "target/nrf51.cfg"],
"gdb": "arm-none-eabi-gdb",
"gdb-initial-cmds": ["target remote :3333", "monitor halt", "load", "monitor reset", "c"]
}
targets/qemu.json
+2 -4
View File
@@ -1,8 +1,7 @@
{
"inherits": ["cortex-m"],
"llvm-target": "armv7m-none-eabi",
"build-tags": ["qemu", "lm3s6965", "tinygo.arm", "js", "wasm"],
"linker": "arm-none-eabi-gcc",
"rtlib": "compiler-rt",
"build-tags": ["qemu", "lm3s6965"],
"pre-link-args": [
"-nostdlib",
"-nostartfiles",
@@ -15,6 +14,5 @@
"-Os",
"targets/cortex-m.s"
],
"objcopy": "arm-none-eabi-objcopy",
"emulator": ["qemu-system-arm", "-machine", "lm3s6965evb", "-semihosting", "-nographic", "-kernel"]
}