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optionally move float emulation code into iram (#8958)

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* optionally move float emulation code into iram
allows doing float operation in iram
suitable for libraries like AccelStepper when called from ISR
* proposed changes for pio from @mcspr
This commit is contained in:
david gauchard
2023-11-12 23:53:39 +01:00
committed by GitHub
parent 74c04c88c5
commit d0f7293491
7 changed files with 201 additions and 9 deletions
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10
tools/sdk/ld/eagle.app.v6.common.ld.h
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@ -142,6 +142,16 @@ SECTIONS
/* all functional callers are placed in IRAM (including SPI/IRQ callbacks/etc) here */
*(.text._ZNKSt8functionIF*EE*) /* std::function<any(...)>::operator()() const */
#ifdef FP_IN_IRAM
*libgcc.a:*f2.o(.literal .text)
*libgcc.a:*f3.o(.literal .text)
*libgcc.a:*fsi.o(.literal .text)
*libgcc.a:*fdi.o(.literal .text)
*libgcc.a:*ifs.o(.literal .text)
*libgcc.a:*idf.o(.literal .text)
#endif
} >iram1_0_seg :iram1_0_phdr
.irom0.text : ALIGN(4)