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35 | #ifndef KERN_sparc64_SGCN_H_ |
35 | #ifndef KERN_sparc64_SGCN_H_ |
36 | #define KERN_sparc64_SGCN_H_ |
36 | #define KERN_sparc64_SGCN_H_ |
37 | 37 | ||
38 | #include <arch/types.h> |
38 | #include <arch/types.h> |
39 | #include <console/chardev.h> |
39 | #include <console/chardev.h> |
- | 40 | #include <proc/thread.h> |
|
40 | 41 | ||
41 | /* number of bytes in the TOC magic, including the terminating '\0' */ |
42 | /* number of bytes in the TOC magic, including the NULL-terminator */ |
42 | #define TOC_MAGIC_BYTES 8 |
43 | #define TOC_MAGIC_BYTES 8 |
43 | 44 | ||
44 | /* number of bytes in the TOC key, including the terminating '\0' */ |
45 | /* number of bytes in the TOC key, including the NULL-terminator */ |
45 | #define TOC_KEY_SIZE 8 |
46 | #define TOC_KEY_SIZE 8 |
46 | 47 | ||
47 | /* maximum number of entries in the SRAM table of contents */ |
48 | /* maximum number of entries in the SRAM table of contents */ |
48 | #define MAX_TOC_ENTRIES 32 |
49 | #define MAX_TOC_ENTRIES 32 |
49 | 50 | ||
50 | /* number of bytes in the SGCN buffer magic, including the terminating '\0' */ |
51 | /* number of bytes in the SGCN buffer magic, including the NULL-terminator */ |
51 | #define SGCN_MAGIC_BYTES 4 |
52 | #define SGCN_MAGIC_BYTES 4 |
52 | 53 | ||
53 | /** |
54 | /** |
54 | * Entry in the SRAM table of contents. Describes one segment of the SRAM |
55 | * Entry in the SRAM table of contents. Describes one segment of the SRAM |
55 | * which serves a particular purpose (e.g. OBP serial console, Solaris serial |
56 | * which serves a particular purpose (e.g. OBP serial console, Solaris serial |
Line 114... | Line 115... | ||
114 | 115 | ||
115 | /** offset within the SGCN buffer of the output buffer write pointer */ |
116 | /** offset within the SGCN buffer of the output buffer write pointer */ |
116 | uint32_t out_wrptr; |
117 | uint32_t out_wrptr; |
117 | } __attribute__ ((packed)) sgcn_buffer_header_t; |
118 | } __attribute__ ((packed)) sgcn_buffer_header_t; |
118 | 119 | ||
- | 120 | typedef struct { |
|
- | 121 | thread_t *thread; |
|
- | 122 | indev_t *srlnin; |
|
- | 123 | } sgcn_instance_t; |
|
- | 124 | ||
119 | void sgcn_grab(void); |
125 | extern void sgcn_grab(void); |
120 | void sgcn_release(void); |
126 | extern void sgcn_release(void); |
121 | indev_t *sgcnin_init(void); |
127 | extern sgcn_instance_t *sgcnin_init(void); |
- | 128 | extern void sgcnin_wire(sgcn_instance_t *, indev_t *); |
|
122 | void sgcnout_init(void); |
129 | extern void sgcnout_init(void); |
123 | 130 | ||
124 | #endif |
131 | #endif |
125 | 132 | ||
126 | /** @} |
133 | /** @} |
127 | */ |
134 | */ |