no1wudi commented on a change in pull request #5192:
URL: https://github.com/apache/incubator-nuttx/pull/5192#discussion_r780626882
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File path: arch/risc-v/src/qemu-rv32/qemu_rv32_head.S
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@@ -105,21 +105,6 @@ exception_common:
sw x30, 30*4(sp) /* t5 */
sw x31, 31*4(sp) /* t6 */
-#if defined(INT_XCPT_REGS) && INT_XCPT_REGS >= 39
- csrr x28, 0x7b0
- csrr x29, 0x7b1
- csrr x30, 0x7b2
- sw x28, 33*4(sp)
- sw x29, 34*4(sp)
- sw x30, 35*4(sp)
- csrr x28, 0x7b4
- csrr x29, 0x7b5
- csrr x30, 0x7b6
- sw x28, 36*4(sp)
- sw x29, 37*4(sp)
- sw x30, 38*4(sp)
-#endif
-
Review comment:
It's only works with RV32M1 chips with customized toolchain,
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