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192 lines
5.9 KiB
192 lines
5.9 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* Device driver for the SYMBIOS/LSILOGIC 53C8XX and 53C1010 family |
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* of PCI-SCSI IO processors. |
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* |
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* Copyright (C) 1999-2001 Gerard Roudier <[email protected]> |
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* |
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* This driver is derived from the Linux sym53c8xx driver. |
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* Copyright (C) 1998-2000 Gerard Roudier |
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* |
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* The sym53c8xx driver is derived from the ncr53c8xx driver that had been |
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* a port of the FreeBSD ncr driver to Linux-1.2.13. |
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* |
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* The original ncr driver has been written for 386bsd and FreeBSD by |
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* Wolfgang Stanglmeier <[email protected]> |
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* Stefan Esser <[email protected]> |
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* Copyright (C) 1994 Wolfgang Stanglmeier |
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* |
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* Other major contributions: |
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* |
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* NVRAM detection and reading. |
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* Copyright (C) 1997 Richard Waltham <[email protected]> |
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* |
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*----------------------------------------------------------------------------- |
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*/ |
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#ifndef SYM_FW_H |
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#define SYM_FW_H |
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/* |
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* Macro used to generate interfaces for script A. |
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*/ |
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#define SYM_GEN_FW_A(s) \ |
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SYM_GEN_A(s, start) SYM_GEN_A(s, getjob_begin) \ |
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SYM_GEN_A(s, getjob_end) \ |
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SYM_GEN_A(s, select) SYM_GEN_A(s, wf_sel_done) \ |
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SYM_GEN_A(s, send_ident) \ |
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SYM_GEN_A(s, dispatch) SYM_GEN_A(s, init) \ |
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SYM_GEN_A(s, clrack) SYM_GEN_A(s, complete_error) \ |
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SYM_GEN_A(s, done) SYM_GEN_A(s, done_end) \ |
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SYM_GEN_A(s, idle) SYM_GEN_A(s, ungetjob) \ |
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SYM_GEN_A(s, reselect) \ |
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SYM_GEN_A(s, resel_tag) SYM_GEN_A(s, resel_dsa) \ |
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SYM_GEN_A(s, resel_no_tag) \ |
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SYM_GEN_A(s, data_in) SYM_GEN_A(s, data_in2) \ |
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SYM_GEN_A(s, data_out) SYM_GEN_A(s, data_out2) \ |
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SYM_GEN_A(s, pm0_data) SYM_GEN_A(s, pm1_data) |
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/* |
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* Macro used to generate interfaces for script B. |
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*/ |
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#define SYM_GEN_FW_B(s) \ |
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SYM_GEN_B(s, no_data) \ |
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SYM_GEN_B(s, sel_for_abort) SYM_GEN_B(s, sel_for_abort_1) \ |
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SYM_GEN_B(s, msg_bad) SYM_GEN_B(s, msg_weird) \ |
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SYM_GEN_B(s, wdtr_resp) SYM_GEN_B(s, send_wdtr) \ |
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SYM_GEN_B(s, sdtr_resp) SYM_GEN_B(s, send_sdtr) \ |
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SYM_GEN_B(s, ppr_resp) SYM_GEN_B(s, send_ppr) \ |
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SYM_GEN_B(s, nego_bad_phase) \ |
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SYM_GEN_B(s, ident_break) SYM_GEN_B(s, ident_break_atn) \ |
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SYM_GEN_B(s, sdata_in) SYM_GEN_B(s, resel_bad_lun) \ |
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SYM_GEN_B(s, bad_i_t_l) SYM_GEN_B(s, bad_i_t_l_q) \ |
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SYM_GEN_B(s, wsr_ma_helper) |
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/* |
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* Macro used to generate interfaces for script Z. |
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*/ |
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#define SYM_GEN_FW_Z(s) \ |
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SYM_GEN_Z(s, snooptest) SYM_GEN_Z(s, snoopend) |
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/* |
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* Generates structure interface that contains |
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* offsets within script A, B and Z. |
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*/ |
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#define SYM_GEN_A(s, label) s label; |
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#define SYM_GEN_B(s, label) s label; |
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#define SYM_GEN_Z(s, label) s label; |
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struct sym_fwa_ofs { |
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SYM_GEN_FW_A(u_short) |
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}; |
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struct sym_fwb_ofs { |
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SYM_GEN_FW_B(u_short) |
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SYM_GEN_B(u_short, start64) |
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SYM_GEN_B(u_short, pm_handle) |
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}; |
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struct sym_fwz_ofs { |
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SYM_GEN_FW_Z(u_short) |
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}; |
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/* |
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* Generates structure interface that contains |
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* bus addresses within script A, B and Z. |
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*/ |
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struct sym_fwa_ba { |
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SYM_GEN_FW_A(u32) |
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}; |
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struct sym_fwb_ba { |
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SYM_GEN_FW_B(u32) |
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SYM_GEN_B(u32, start64); |
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SYM_GEN_B(u32, pm_handle); |
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}; |
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struct sym_fwz_ba { |
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SYM_GEN_FW_Z(u32) |
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}; |
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#undef SYM_GEN_A |
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#undef SYM_GEN_B |
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#undef SYM_GEN_Z |
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/* |
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* Let cc know about the name of the controller data structure. |
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* We need this for function prototype declarations just below. |
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*/ |
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struct sym_hcb; |
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/* |
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* Generic structure that defines a firmware. |
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*/ |
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struct sym_fw { |
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char *name; /* Name we want to print out */ |
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u32 *a_base; /* Pointer to script A template */ |
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int a_size; /* Size of script A */ |
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struct sym_fwa_ofs |
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*a_ofs; /* Useful offsets in script A */ |
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u32 *b_base; /* Pointer to script B template */ |
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int b_size; /* Size of script B */ |
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struct sym_fwb_ofs |
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*b_ofs; /* Useful offsets in script B */ |
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u32 *z_base; /* Pointer to script Z template */ |
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int z_size; /* Size of script Z */ |
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struct sym_fwz_ofs |
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*z_ofs; /* Useful offsets in script Z */ |
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/* Setup and patch methods for this firmware */ |
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void (*setup)(struct sym_hcb *, struct sym_fw *); |
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void (*patch)(struct Scsi_Host *); |
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}; |
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/* |
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* Macro used to declare a firmware. |
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*/ |
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#define SYM_FW_ENTRY(fw, name) \ |
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{ \ |
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name, \ |
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(u32 *) &fw##a_scr, sizeof(fw##a_scr), &fw##a_ofs, \ |
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(u32 *) &fw##b_scr, sizeof(fw##b_scr), &fw##b_ofs, \ |
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(u32 *) &fw##z_scr, sizeof(fw##z_scr), &fw##z_ofs, \ |
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fw##_setup, fw##_patch \ |
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} |
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/* |
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* Macros used from the C code to get useful |
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* SCRIPTS bus addresses. |
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*/ |
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#define SCRIPTA_BA(np, label) (np->fwa_bas.label) |
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#define SCRIPTB_BA(np, label) (np->fwb_bas.label) |
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#define SCRIPTZ_BA(np, label) (np->fwz_bas.label) |
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/* |
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* Macros used by scripts definitions. |
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* |
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* HADDR_1 generates a reference to a field of the controller data. |
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* HADDR_2 generates a reference to a field of the controller data |
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* with offset. |
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* RADDR_1 generates a reference to a script processor register. |
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* RADDR_2 generates a reference to a script processor register |
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* with offset. |
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* PADDR_A generates a reference to another part of script A. |
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* PADDR_B generates a reference to another part of script B. |
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* |
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* SYM_GEN_PADDR_A and SYM_GEN_PADDR_B are used to define respectively |
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* the PADDR_A and PADDR_B macros for each firmware by setting argument |
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* `s' to the name of the corresponding structure. |
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* |
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* SCR_DATA_ZERO is used to allocate a DWORD of data in scripts areas. |
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*/ |
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#define RELOC_SOFTC 0x40000000 |
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#define RELOC_LABEL_A 0x50000000 |
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#define RELOC_REGISTER 0x60000000 |
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#define RELOC_LABEL_B 0x80000000 |
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#define RELOC_MASK 0xf0000000 |
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#define HADDR_1(label) (RELOC_SOFTC | offsetof(struct sym_hcb, label)) |
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#define HADDR_2(label,ofs) (RELOC_SOFTC | \ |
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(offsetof(struct sym_hcb, label)+(ofs))) |
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#define RADDR_1(label) (RELOC_REGISTER | REG(label)) |
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#define RADDR_2(label,ofs) (RELOC_REGISTER | ((REG(label))+(ofs))) |
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#define SYM_GEN_PADDR_A(s, label) (RELOC_LABEL_A | offsetof(s, label)) |
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#define SYM_GEN_PADDR_B(s, label) (RELOC_LABEL_B | offsetof(s, label)) |
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#define SCR_DATA_ZERO 0xf00ff00f |
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#endif /* SYM_FW_H */
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