如果sbi_probe_extension()表明某个扩展可用,那么sbi_get_spec_version()报告的SBI版本中的所有函数必须符合该版本的SBI规范。 提供给监管模式软件的更高特权级软件称为SBI实现或Supervisor Execution Environment(SEE)。SBI实现(或SEE)可以是在机器模式(M-mode)下执行的平台运行时固件(参见下图1),也可以是在超级...
SBI扩展作为整体是可选的,但不允许部分实现。如果sbi_probe_extension()表明某个扩展可用,那么sbi_get_spec_version()报告的SBI版本中的所有函数必须符合该版本的SBI规范。 提供给监管模式软件的更高特权级软件称为SBI实现或Supervisor Execution Environment(SEE)。SBI实现(或SEE)可以是在机器模式(M-mode)下执行的平...
Note. This is the only SBI call in the legacy extension that has a non-void return type. 4.4. Extension: Clear IPI (EID #0x03) void sbi_clear_ipi(void) Clears the pending IPIs if any. The IPI is cleared only in the hart for which this SBI call is invoked. sbi_clear...
Note. This is the only SBI call in the legacy extension that has a non-void return type. 4.4. Extension: Clear IPI (EID #0x03) void sbi_clear_ipi(void) Clears the pending IPIs if any. The IPI is cleared only in the hart for which this SBI call is invoked. sbi_clear_...
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