Problem 2. Convert the following virtual addresses to physical addresses, and indicate whether the address is cacheable or not, and whether it resides in RAM, Flash, SFRS, or Boot Flash, or not implemented. Assume a PIC32MX470F512L microcontroller. (a) 0x80000020 (b) OxA0000020 (c) OXBF800001 (d) OX9FC00111 (e) 0X9D00100 (Hint: See Figure 4-4 in the device Data Sheet, DS60001185)

Problem 2. Convert the following virtual addresses to physical addresses, and indicate whether the address is cacheable or not, and whether it resides in RAM, Flash, SFRS, or Boot Flash, or not implemented. Assume a PIC32MX470F512L microcontroller. (a) 0x80000020 (b) OxA0000020 (c) OXBF800001 (d) OX9FC00111 (e) 0X9D00100 (Hint: See Figure 4-4 in the device Data Sheet, DS60001185)

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter11: Operating Systems

Section: Chapter Questions

Problem 26VE

See similar textbooks

Similar questions

If a microprocessor has a cycle time of 0.5 nanoseconds, what’s the processor clock rate? If the fetch cycle is 40% of the processor cycle time, what memory access speed is required to implement load operations with zero wait states and load operations with two wait states?
Suppose a computer using fully associative cache has 224 bytes of byte-addressable main memory and a cache of 128 blocks, where each cache block contains 64 bytes.Q.) What is the format of a memory address as seen by the cache; that is, what are the sizes of the tag and offset fields?
Suppose a computer using direct mapped cache has 2^32 bytes of byte-addressable main memory and a cache size of 512 bytes, and each cache block contains 64 bytes. a. How many blocks of main memory are there? b. What is the format of a memory address as seen by cache, i.e., what are the sizes of the tag, block, and offset fields?
Suppose a computer using fully associative cache has 224 bytes of byte-addressable main memory and a cache of 128 blocks, where each block contains 64 bytes.Q.) What is the format of a memory address as seen by cache; that is, what are the sizes of the tag and offset fields?
Suppose a computer using fully associative cache has 224 words of main memory and a cache of 512 blocks, where each cache block contains 16 words. What is the format of a memory address as seen by the cache, i.e., what are the sizes of the tag, block, and offset fields?
In a 1 MB memory divided into 64 KB segments, if a segment starts at the address 1234A find the last address in the segment.
For a computer with 56-bit physical addresses and a 8-way set associative cache of 64 KB where each cache line has the capacity of holding 32 words. Assume the word size is 3 and the architecture is byte-addressable. Answer the questions below: a.How many bits are needed for tag, index, word offset, and byte offs. Show your derivations and assumptions. b.What are the start and end physical addresses, in hex as discussed in class, for cache line 300? Cache line count starts from 0. c.What is the total size, in KB, of this cache? d.What is the tag value, in hex, of address 0xABCDEF98765432?
Show how the decimal value 2019111310 would be stored by byte-addressable machines with 32-bit words, using little endian format and then big endian format. Assume the value starts at address 201916. Draw a diagram of memory and place the appropriate values in the correct (and labeled) memory locations.
If we had a computer that can only address data in bytes, but it has fully associative mapping, 16-bit main memory addresses, and 32-bit cache memory blocks. If each block is 16 bytes in size, then...(a) Count the number of bytes in the offset field.The tag field's size in pixels must be calculated (b).
6- In 8086Mp bus cycles, the signal (ALE) becomes '1' during clock cycle. 7- The type of the buffer used for buffering data lines is while the type of the buffer used for buffering address lines is 8- During transferring a data of 8-bits from 8086Mp to memory address (1F871H), give the logic value of the following signals: M/IO= RD= = WR= BHE= 9- The benefit of multiplexing operation is 1. CC
What distinguishes the 7CH bit address from the 7CH byte address? To which memory location is bit address 7CH mapped?
Suppose a computer using direct mapped cache has 2^24 bytes of byte- addressable main memory and a cache size of 64K bytes, and each cache block contains 32 bytes. (Note: 64K = 26 * 210) a) How many blocks of main memory are there? b) What is the format of a memory address as seen by cache, i.e., what are the sizes of the tag, block, and offset fields?