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Draw the memory map for 8 bytes starting at 0x2000_0030 as shown in the form iven above.

Draw the memory map for 8 bytes starting at 0x2000_0030 as shown in the form iven above.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Prob 5. Assume we have the following: The memory map task1 Address Byte 0 Byte 1 Byte 2 Byte 3 0x83 0x2000_0000: 0x80 0x81 0x82 0x2000_0004: 0x84 0x85 0x86 0x87 0x2000_0008: 0x88 0x89 0x8A 0x8B 0x2000_000C: 0x8C 0x8D 0x8E 0x8F Assembly function code snippets below: PROC LDRH r2, [ro], #2 STR r2, [r1, #0] LDRH r3, [ro], #2 r3, [r1, #4] STR BX lr ENDP task1 (p1, p2); task2 (p1, p3); 3. Calling of the above function in C with the following code: void *p1 = (void *)0x20000000; void *p2 (void *)0x20000020; void *p3= (void *)0x20000030; Here are the questions: 1. we have a breakpoint at BX 1r). 2. task2 PROC Repeat the above for task2. LDRSH r2, [ro, #2] ! STR r2, [r1, #0] LDRSH r3, [ro, #2]! STR r3, [r1, #4] BX lr ENDP Determine the values of r2 and r3 just before returning from task1 (assume 2 M
Transcribed Image Text:Prob 5. Assume we have the following: The memory map task1 Address Byte 0 Byte 1 Byte 2 Byte 3 0x83 0x2000_0000: 0x80 0x81 0x82 0x2000_0004: 0x84 0x85 0x86 0x87 0x2000_0008: 0x88 0x89 0x8A 0x8B 0x2000_000C: 0x8C 0x8D 0x8E 0x8F Assembly function code snippets below: PROC LDRH r2, [ro], #2 STR r2, [r1, #0] LDRH r3, [ro], #2 r3, [r1, #4] STR BX lr ENDP task1 (p1, p2); task2 (p1, p3); 3. Calling of the above function in C with the following code: void *p1 = (void *)0x20000000; void *p2 (void *)0x20000020; void *p3= (void *)0x20000030; Here are the questions: 1. we have a breakpoint at BX 1r). 2. task2 PROC Repeat the above for task2. LDRSH r2, [ro, #2] ! STR r2, [r1, #0] LDRSH r3, [ro, #2]! STR r3, [r1, #4] BX lr ENDP Determine the values of r2 and r3 just before returning from task1 (assume 2 M
3. Draw the memory map for 8 bytes starting at 0x2000_0030 as shown in the form given above.
Transcribed Image Text:3. Draw the memory map for 8 bytes starting at 0x2000_0030 as shown in the form given above.
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