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a431beac21
For MSP430 no nano.specs is installed for the MSP430 toolchain. Likely most MSP430 users only install the nano variant and don't build a full fledged version of newlib. To ease packaging, for consistency, and also in case some MSP430 users do want a full fledged newlib version, stick with providing both versions but also provide a simple nano.specs file to make using the nano variant possible. Additionally, syscalls where disabled for msp430. The resulted in the functions provided by the standard C lib such as puts() or printf() to be defunct, as the hooks integrating with an RTOS such as RIOT where never called. This patches newlib to also use syscalls with MSP430.
19 lines
677 B
Diff
19 lines
677 B
Diff
By default newlib will disable syscalls for MPS430, which means defunct puts(),
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printf(), etc. Since providing those is the main purpose of a standard c lib,
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this makes little sense.
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This enable syscalls again. With it, MCU operating systems such as RIOT can
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provide functioning puts, printf(), read(), write(), etc.
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--- a/newlib/configure.host
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+++ b/newlib/configure.host
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@@ -781,6 +781,9 @@
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default_newlib_io_long_long="yes"
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newlib_cflags="${newlib_cflags} -Os -DPREFER_SIZE_OVER_SPEED -DSMALL_MEMORY"
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;;
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+ msp430*)
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+ syscall_dir=syscalls
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+ ;;
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nios2*)
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syscall_dir=
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newlib_cflags="${newlib_cflags} -DHAVE_RENAME -DHAVE_SYSTEM -DMISSING_SYSCALL_NAMES"
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