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py/nlrmips: Add native NLR support for MIPS architecture.

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This can be tested using ports/minimal and qemu:

    make CC=mips-linux-gnu-gcc-8

Then run with qemu-mips:

    stty raw opost -echo;
    QEMU_LD_PREFIX=/usr/mips-linux-gnu/ qemu-mips build/firmware.elf;
    sleep 1; reset

Signed-off-by: Jan Willeke <willeke@smartmote.de>
This commit is contained in:
Jan Willeke
2022-01-07 21:57:20 +01:00
committed by Damien George
parent 043dc4dd0c
commit 40a3aa709c
4 changed files with 92 additions and 0 deletions
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4
py/nlr.h
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@@ -40,6 +40,7 @@
#define MICROPY_NLR_NUM_REGS_ARM_THUMB (10)
#define MICROPY_NLR_NUM_REGS_ARM_THUMB_FP (10 + 6)
#define MICROPY_NLR_NUM_REGS_AARCH64 (13)
#define MICROPY_NLR_NUM_REGS_MIPS (13)
#define MICROPY_NLR_NUM_REGS_XTENSA (10)
#define MICROPY_NLR_NUM_REGS_XTENSAWIN (17)
@@ -83,6 +84,9 @@
#define MICROPY_NLR_POWERPC (1)
// this could be less but using 128 for safety
#define MICROPY_NLR_NUM_REGS (128)
#elif defined(__mips__)
#define MICROPY_NLR_MIPS (1)
#define MICROPY_NLR_NUM_REGS (MICROPY_NLR_NUM_REGS_MIPS)
#else
#define MICROPY_NLR_SETJMP (1)
//#warning "No native NLR support for this arch, using setjmp implementation"