| Line 45... |
Line 45... |
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/**********************************************************************//**
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/**********************************************************************//**
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* Unavailable extensions warning.
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* Unavailable extensions warning.
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**************************************************************************/
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**************************************************************************/
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#if defined __riscv_f || (__riscv_flen == 32)
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#if defined __riscv_f || (__riscv_flen == 32)
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#warning Single-precision floating-point extension <F/Zfinx> is WORK-IN-PROGRESS and NOT FULLY OPERATIONAL yet!
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#warning Single-precision floating-point extension <F/Zfinx> is WORK-IN-PROGRESS and there is NO NATIVE SUPPORT BY THE COMPILER yet!
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#endif
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#endif
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#if defined __riscv_d || (__riscv_flen == 64)
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#if defined __riscv_d || (__riscv_flen == 64)
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#error Double-precision floating-point extension <D/Zdinx> is NOT supported!
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#error Double-precision floating-point extension <D/Zdinx> is NOT supported!
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#endif
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#endif
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| Line 712... |
Line 712... |
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/**********************************************************************//**
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/**********************************************************************//**
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* Check if certain Z* extension is available
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* Check if certain Z* extension is available
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*
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*
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* @param[in] flag Index of the Z-extension to check from #NEORV32_CSR_MZEXT_enum
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* @param[in] flag_id Index of the Z-extension to check from #NEORV32_CSR_MZEXT_enum
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* @return 0 if extension is NOT available, != 0 if extension is available.
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* @return 0 if extension is NOT available, != 0 if extension is available.
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**************************************************************************/
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**************************************************************************/
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int neorv32_check_zextension(uint32_t flag) {
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int neorv32_cpu_check_zext(uint8_t flag_id) {
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|
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// check if out of range
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// check if out of range
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if (flag > 31) {
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if (flag_id > 31) {
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return 0;
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return 0;
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}
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}
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uint32_t tmp = neorv32_cpu_csr_read(CSR_MZEXT);
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uint32_t mask = (uint32_t)(1 << flag_id);
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if ((tmp & (1 << flag)) == 0) {
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if ((neorv32_cpu_csr_read(CSR_MZEXT) & mask) == 0) {
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return 0;
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return 0;
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}
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}
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else {
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else {
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return 1;
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return 1;
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}
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}
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}
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}
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