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20 lines
484 B
C
20 lines
484 B
C
#ifndef TARGET_RISCV_CPU_USER_H
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#define TARGET_RISCV_CPU_USER_H
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#define xRA 1 /* return address (aka link register) */
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#define xSP 2 /* stack pointer */
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#define xGP 3 /* global pointer */
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#define xTP 4 /* thread pointer */
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#define xA0 10 /* gpr[10-17] are syscall arguments */
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#define xA1 11
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#define xA2 12
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#define xA3 13
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#define xA4 14
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#define xA5 15
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#define xA6 16
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#define xA7 17 /* syscall number for RVI ABI */
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#define xT0 5 /* syscall number for RVE ABI */
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#endif
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