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76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
/*
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* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note
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*
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* Bootinfo tags from linux bootinfo.h and bootinfo-mac.h:
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* This is an easily parsable and extendable structure containing all
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* information to be passed from the bootstrap to the kernel
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*
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* This structure is copied right after the kernel by the bootstrap
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* routine.
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*/
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#ifndef HW_M68K_BOOTINFO_H
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#define HW_M68K_BOOTINFO_H
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#define BOOTINFO0(base, id) \
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do { \
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stw_be_p(base, id); \
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base += 2; \
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stw_be_p(base, sizeof(struct bi_record)); \
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base += 2; \
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} while (0)
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#define BOOTINFO1(base, id, value) \
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do { \
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stw_be_p(base, id); \
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base += 2; \
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stw_be_p(base, sizeof(struct bi_record) + 4); \
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base += 2; \
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stl_be_p(base, value); \
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base += 4; \
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} while (0)
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#define BOOTINFO2(base, id, value1, value2) \
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do { \
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stw_be_p(base, id); \
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base += 2; \
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stw_be_p(base, sizeof(struct bi_record) + 8); \
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base += 2; \
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stl_be_p(base, value1); \
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base += 4; \
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stl_be_p(base, value2); \
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base += 4; \
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} while (0)
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#define BOOTINFOSTR(base, id, string) \
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do { \
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stw_be_p(base, id); \
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base += 2; \
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stw_be_p(base, \
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(sizeof(struct bi_record) + strlen(string) + \
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1 /* null termination */ + 3 /* padding */) & ~3); \
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base += 2; \
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for (unsigned i_ = 0; string[i_]; i_++) { \
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stb_p(base++, string[i_]); \
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} \
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stb_p(base++, 0); \
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base = QEMU_ALIGN_PTR_UP(base, 4); \
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} while (0)
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#define BOOTINFODATA(base, id, data, len) \
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do { \
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stw_be_p(base, id); \
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base += 2; \
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stw_be_p(base, \
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(sizeof(struct bi_record) + len + \
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2 /* length field */ + 3 /* padding */) & ~3); \
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base += 2; \
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stw_be_p(base, len); \
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base += 2; \
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for (unsigned i_ = 0; i_ < len; ++i_) { \
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stb_p(base++, data[i_]); \
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} \
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base = QEMU_ALIGN_PTR_UP(base, 4); \
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} while (0)
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#endif
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