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33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef LIBC_ppc32_THREAD_H_ |
35 | #ifndef LIBC_ppc32_THREAD_H_ |
36 | #define LIBC_ppc32_THREAD_H_ |
36 | #define LIBC_ppc32_THREAD_H_ |
37 | 37 | ||
38 | #define PPC_TP_OFFSET 0x7000 |
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39 | - | ||
40 | typedef struct { |
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41 | void *fibril_data; |
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42 | } tcb_t; |
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43 | - | ||
44 | static inline void __tcb_set(tcb_t *tcb) |
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45 | { |
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46 | void *tp = tcb; |
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47 | tp += PPC_TP_OFFSET + sizeof(tcb_t); |
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48 | - | ||
49 | asm volatile ( |
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50 | "mr %%r2, %0\n" |
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51 | : |
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52 | : "r" (tp) |
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53 | ); |
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54 | } |
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55 | - | ||
56 | static inline tcb_t * __tcb_get(void) |
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57 | { |
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58 | void * retval; |
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59 | - | ||
60 | asm volatile ( |
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61 | "mr %0, %%r2\n" |
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62 | : "=r" (retval) |
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63 | ); |
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64 | - | ||
65 | return (tcb_t *)(retval - PPC_TP_OFFSET - sizeof(tcb_t)); |
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66 | } |
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67 | - | ||
68 | #endif |
38 | #endif |
69 | 39 | ||
70 | /** @} |
40 | /** @} |
71 | */ |
41 | */ |