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    • 2. 发明授权
    • Method and apparatus for controlling one or more hierarchical memories
using a virtual storage scheme and physical to virtual address
translation
    • 用于使用虚拟存储方案和物理到虚拟地址转换来控制一个或多个分层存储器的方法和装置
    • US5392416A
    • 1995-02-21
    • US103791
    • 1993-08-10
    • Toshio DoiTakeshi TakemotoYasuhiro Nakatsuka
    • Toshio DoiTakeshi TakemotoYasuhiro Nakatsuka
    • G06F12/08G06F12/10G06F13/00
    • G06F12/0897G06F12/0808G06F12/1063
    • A processing apparatus of an integrated circuit structure for a multiprocessor system includes an execution unit operative on the basis of a virtual storage scheme and a cache memory having entries designated by logical addresses from the execution unit. For controlling the cache memory, a first address array containing entries designated by the same logical addresses as the cache memory and storing control information for the corresponding entries of the cache memory is provided in association with a second address array having entries designated by physical addresses and storing translation information for translation of physical addresses to logical addresses for the entries. When a physical address at which invalidation is to be performed is inputted in response to a cache memory invalidation request supplied externally, access is made to the second address array by using the physical address to obtain the translation information from the second address array to thereby generate a logical address to be invalidated. The first address array is accessed by using the generated logical address to perform a invalidation processing on the control information.
    • 用于多处理器系统的集成电路结构的处理装置包括基于虚拟存储方案操作的执行单元和具有来自执行单元的逻辑地址指定的条目的高速缓冲存储器。 为了控制高速缓冲存储器,提供包含与高速缓冲存储器相同的逻辑地址指定的条目并存储用于高速缓存存储器的对应条目的控制信息的第一地址阵列与具有由物理地址指定的条目的第二地址阵列相关联, 将用于翻译物理地址的翻译信息存储到条目的逻辑地址。 当响应于外部提供的高速缓冲存储器无效请求输入要执行无效的物理地址时,通过使用物理地址对第二地址阵列进行访问,以从第二地址阵列获得翻译信息,从而生成 一个无效的逻辑地址。 通过使用所生成的逻辑地址对控制信息进行无效处理来访问第一地址阵列。
    • 3. 发明授权
    • Method and apparatus for controlling one or more hierarchical memories
using a virtual storage scheme and physical to virtual address
translation
    • 用于使用虚拟存储方案和物理到虚拟地址转换来控制一个或多个分层存储器的方法和装置
    • US5257361A
    • 1993-10-26
    • US603620
    • 1990-10-26
    • Toshio DoiTakeshi TakemotoYasuhiro Nakatsuka
    • Toshio DoiTakeshi TakemotoYasuhiro Nakatsuka
    • G06F12/08G06F12/10G06F12/00
    • G06F12/0897G06F12/0808G06F12/1063
    • A processing apparatus of an integrated circuit structure for a multiprocessor system includes an execution unit operative on the basis of a virtual storage scheme and a cache memory having entries designated by logical addresses from the execution unit. For controlling the cache memory, a first address array containing entries designated by the same logical addresses as the cache memory and storing control information for the corresponding entries of the cache memory is provided in association with a second address array having entries designated by physical addresses and storing translation information for translation of physical addresses to logical addresses for the entries. When a physical address at which invalidation is to be performed is inputted in response to a cache memory invalidation request supplied externally, access is made to the second address array by using the physical address to obtain the translation information from the second address array to thereby generate a logical address to be invalidated. The first address array is accessed by using the generated logical address to perform a invalidation processing on the control information.
    • 用于多处理器系统的集成电路结构的处理装置包括基于虚拟存储方案操作的执行单元和具有来自执行单元的逻辑地址指定的条目的高速缓冲存储器。 为了控制高速缓冲存储器,提供包含与高速缓冲存储器相同的逻辑地址指定的条目并存储用于高速缓存存储器的对应条目的控制信息的第一地址阵列与具有由物理地址指定的条目的第二地址阵列相关联, 将用于翻译物理地址的翻译信息存储到条目的逻辑地址。 当响应于外部提供的高速缓冲存储器无效请求输入要执行无效的物理地址时,通过使用物理地址对第二地址阵列进行访问,以从第二地址阵列获得翻译信息,从而生成 一个无效的逻辑地址。 通过使用所生成的逻辑地址对控制信息进行无效处理来访问第一地址阵列。