Rev 2071 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 2071 | Rev 2082 | ||
|---|---|---|---|
| Line 67... | Line 67... | ||
| 67 | * @param d Character device. |
67 | * @param d Character device. |
| 68 | * @param ch Character to be printed. |
68 | * @param ch Character to be printed. |
| 69 | */ |
69 | */ |
| 70 | void ski_putchar(chardev_t *d, const char ch) |
70 | void ski_putchar(chardev_t *d, const char ch) |
| 71 | { |
71 | { |
| 72 | __asm__ volatile ( |
72 | asm volatile ( |
| 73 | "mov r15 = %0\n" |
73 | "mov r15 = %0\n" |
| 74 | "mov r32 = %1\n" /* r32 is in0 */ |
74 | "mov r32 = %1\n" /* r32 is in0 */ |
| 75 | "break 0x80000\n" /* modifies r8 */ |
75 | "break 0x80000\n" /* modifies r8 */ |
| 76 | : |
76 | : |
| 77 | : "i" (SKI_PUTCHAR), "r" (ch) |
77 | : "i" (SKI_PUTCHAR), "r" (ch) |
| Line 93... | Line 93... | ||
| 93 | */ |
93 | */ |
| 94 | int32_t ski_getchar(void) |
94 | int32_t ski_getchar(void) |
| 95 | { |
95 | { |
| 96 | uint64_t ch; |
96 | uint64_t ch; |
| 97 | 97 | ||
| 98 | __asm__ volatile ( |
98 | asm volatile ( |
| 99 | "mov r15 = %1\n" |
99 | "mov r15 = %1\n" |
| 100 | "break 0x80000;;\n" /* modifies r8 */ |
100 | "break 0x80000;;\n" /* modifies r8 */ |
| 101 | "mov %0 = r8;;\n" |
101 | "mov %0 = r8;;\n" |
| 102 | 102 | ||
| 103 | : "=r" (ch) |
103 | : "=r" (ch) |
| Line 202... | Line 202... | ||
| 202 | * Issue SSC (Simulator System Call) to |
202 | * Issue SSC (Simulator System Call) to |
| 203 | * to open debug console. |
203 | * to open debug console. |
| 204 | */ |
204 | */ |
| 205 | void ski_init_console(void) |
205 | void ski_init_console(void) |
| 206 | { |
206 | { |
| 207 | __asm__ volatile ( |
207 | asm volatile ( |
| 208 | "mov r15 = %0\n" |
208 | "mov r15 = %0\n" |
| 209 | "break 0x80000\n" |
209 | "break 0x80000\n" |
| 210 | : |
210 | : |
| 211 | : "i" (SKI_INIT_CONSOLE) |
211 | : "i" (SKI_INIT_CONSOLE) |
| 212 | : "r15", "r8" |
212 | : "r15", "r8" |