|
Last change
on this file since 859 was
520,
checked in by bouyer, 11 years ago
|
|
Re-add the tests; reverting previous which was done at the wrong level (sorry)
|
|
File size:
1.1 KB
|
| Line | |
|---|
| 1 | #include <registers.h> |
|---|
| 2 | /* test common subroutines |
|---|
| 3 | |
|---|
| 4 | .text |
|---|
| 5 | /* |
|---|
| 6 | * void print(char *): print a string to the multitty. |
|---|
| 7 | * assumes k0 points to the tty base. |
|---|
| 8 | */ |
|---|
| 9 | .globl print |
|---|
| 10 | print: |
|---|
| 11 | .set noreorder |
|---|
| 12 | move t0, a0 |
|---|
| 13 | 1: |
|---|
| 14 | lb t1, 0(t0); |
|---|
| 15 | beq t1, zero, end |
|---|
| 16 | nop |
|---|
| 17 | sb t1, 0(k0) |
|---|
| 18 | addiu t0, t0, 1 |
|---|
| 19 | j 1b |
|---|
| 20 | nop |
|---|
| 21 | end: |
|---|
| 22 | jr ra |
|---|
| 23 | nop |
|---|
| 24 | |
|---|
| 25 | /* |
|---|
| 26 | * void print_sync(char *): print a string to the multitty with a sync instruction for each character. |
|---|
| 27 | * assumes k0 points to the tty base. |
|---|
| 28 | */ |
|---|
| 29 | .globl print_sync |
|---|
| 30 | print_sync: |
|---|
| 31 | .set noreorder |
|---|
| 32 | move t0, a0 |
|---|
| 33 | 1: |
|---|
| 34 | lb t1, 0(t0); |
|---|
| 35 | beq t1, zero, end_print_sync |
|---|
| 36 | nop |
|---|
| 37 | sb t1, 0(k0) |
|---|
| 38 | sync |
|---|
| 39 | addiu t0, t0, 1 |
|---|
| 40 | j 1b |
|---|
| 41 | nop |
|---|
| 42 | end_print_sync: |
|---|
| 43 | jr ra |
|---|
| 44 | nop |
|---|
| 45 | |
|---|
| 46 | |
|---|
| 47 | /* |
|---|
| 48 | * void printx(uint32_t): print a number in hex to the multitty |
|---|
| 49 | * assumes points to the tty base. |
|---|
| 50 | */ |
|---|
| 51 | .globl printx |
|---|
| 52 | printx: |
|---|
| 53 | .set noreorder |
|---|
| 54 | move t0, a0 |
|---|
| 55 | li t1, '0' |
|---|
| 56 | sb t1, 0(k0) |
|---|
| 57 | li t1, 'x' |
|---|
| 58 | sb t1, 0(k0) |
|---|
| 59 | li t1, 8 |
|---|
| 60 | 1: |
|---|
| 61 | lui t2, 0xf000; |
|---|
| 62 | and t2, t0, t2 |
|---|
| 63 | srl t2, t2, 28 |
|---|
| 64 | slti t3, t2, 0xa |
|---|
| 65 | beq t3, zero, 2f /* in range A-F */ |
|---|
| 66 | nop |
|---|
| 67 | addi t2, t2, '0' |
|---|
| 68 | j 3f |
|---|
| 69 | nop |
|---|
| 70 | 2: |
|---|
| 71 | addi t2, t2, 'A' - 0xa |
|---|
| 72 | 3: |
|---|
| 73 | sb t2, 0(k0) |
|---|
| 74 | addi t1, t1, -1 |
|---|
| 75 | bgtz t1, 1b |
|---|
| 76 | sll t0, t0, 4 |
|---|
| 77 | jr ra |
|---|
| 78 | nop |
|---|
Note: See
TracBrowser
for help on using the repository browser.
