forked from luck/tmp_suning_uos_patched
m68k: Toward platform agnostic framebuffer debug logging
Code subject to #ifdef CONSOLE is made more generic, as was apparently intended by the original author. Remove console_put_stats() routine. If it should be somehow useful, it should also be useful on platforms without framebuffer debug logging. The present implementation is only built #if defined CONFIG_MAC && defined CONSOLE even though puts() works everywhere. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Tested-by: Stephen N Chivers <schivers@csc.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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@ -153,7 +153,7 @@
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* ------------
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* The console is also able to be turned off. The console in head.S
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* is specifically for debugging and can be very useful. It is surrounded by
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* #ifdef CONSOLE/#endif clauses so it doesn't have to ship in known-good
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* #ifdef / #endif clauses so it doesn't have to ship in known-good
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* kernels. It's basic algorithm is to determine the size of the screen
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* (in height/width and bit depth) and then use that information for
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* displaying an 8x8 font or an 8x16 (widthxheight). I prefer the 8x8 for
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@ -198,9 +198,8 @@
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* CONFIG_xxx: These are the obvious machine configuration defines created
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* during configuration. These are defined in autoconf.h.
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*
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* CONSOLE: There is support for head.S console in this file. This
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* console can talk to a Mac frame buffer, but could easily be extrapolated
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* to extend it to support other platforms.
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* CONSOLE_DEBUG: Only supports a Mac frame buffer but could easily be
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* extended to support other platforms.
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*
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* TEST_MMU: This is a test harness for running on any given machine but
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* getting an MMU dump for another class of machine. The classes of machines
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@ -274,7 +273,7 @@
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#include <asm/machw.h>
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#ifdef CONFIG_FRAMEBUFFER_CONSOLE
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#define CONSOLE
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#define CONSOLE_DEBUG
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#endif
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#ifdef CONFIG_EARLY_PRINTK
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@ -480,22 +479,21 @@ func_define serial_putc,1
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func_define console_putc,1
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func_define console_init
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func_define console_put_stats
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func_define console_put_penguin
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func_define console_plot_pixel,3
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func_define console_scroll
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.macro putc ch
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#if defined(CONSOLE) || defined(SERIAL_DEBUG)
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#if defined(CONSOLE_DEBUG) || defined(SERIAL_DEBUG)
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pea \ch
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#endif
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#ifdef CONSOLE
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#ifdef CONSOLE_DEBUG
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func_call console_putc
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#endif
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#ifdef SERIAL_DEBUG
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func_call serial_putc
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#endif
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#if defined(CONSOLE) || defined(SERIAL_DEBUG)
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#if defined(CONSOLE_DEBUG) || defined(SERIAL_DEBUG)
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addql #4,%sp
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#endif
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.endm
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@ -515,7 +513,7 @@ func_define putn,1
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.endm
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.macro puts string
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#if defined(CONSOLE) || defined(SERIAL_DEBUG)
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#if defined(CONSOLE_DEBUG) || defined(SERIAL_DEBUG)
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__INITDATA
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.Lstr\@:
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.string "\string"
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@ -651,11 +649,9 @@ ENTRY(__start)
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lea %pc@(L(mac_rowbytes)),%a1
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movel %a0@,%a1@
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#ifdef SERIAL_DEBUG
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get_bi_record BI_MAC_SCCBASE
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lea %pc@(L(mac_sccbase)),%a1
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movel %a0@,%a1@
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#endif
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L(test_notmac):
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#endif /* CONFIG_MAC */
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@ -885,13 +881,12 @@ L(nothp):
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*/
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#ifdef CONFIG_MAC
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is_not_mac(L(nocon))
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# ifdef CONSOLE
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# ifdef CONSOLE_DEBUG
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console_init
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# ifdef CONFIG_LOGO
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console_put_penguin
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# endif /* CONFIG_LOGO */
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console_put_stats
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# endif /* CONSOLE */
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# endif /* CONSOLE_DEBUG */
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L(nocon):
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#endif /* CONFIG_MAC */
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@ -1396,15 +1391,13 @@ L(mmu_fixup_done):
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andl L(mac_videobase),%d0
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addl #VIDEOMEMBASE,%d0
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movel %d0,L(mac_videobase)
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#if defined(CONSOLE)
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#ifdef CONSOLE_DEBUG
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movel %pc@(L(phys_kernel_start)),%d0
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subl #PAGE_OFFSET,%d0
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subl %d0,L(console_font)
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subl %d0,L(console_font_data)
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#endif
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#ifdef SERIAL_DEBUG
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orl #0x50000000,L(mac_sccbase)
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#endif
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1:
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#endif
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@ -2734,7 +2727,11 @@ func_return get_new_page
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*/
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#ifdef CONFIG_MAC
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/* You may define either or both of these. */
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#define MAC_USE_SCC_A /* Modem port */
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#define MAC_USE_SCC_B /* Printer port */
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#if defined(MAC_USE_SCC_A) || defined(MAC_USE_SCC_B)
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L(scc_initable_mac):
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.byte 4,0x44 /* x16, 1 stopbit, no parity */
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.byte 3,0xc0 /* receiver: 8 bpc */
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@ -2748,6 +2745,7 @@ L(scc_initable_mac):
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.byte -1
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.even
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#endif
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#endif /* CONFIG_MAC */
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#ifdef CONFIG_ATARI
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/* #define USE_PRINTER */
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@ -2843,6 +2841,7 @@ func_start serial_init,%d0/%d1/%a0/%a1
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| movew #61,CUSTOMBASE+C_SERPER-ZTWOBASE
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1:
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#endif
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#ifdef CONFIG_ATARI
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is_not_atari(4f)
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movel %pc@(L(iobase)),%a1
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@ -2877,21 +2876,14 @@ func_start serial_init,%d0/%d1/%a0/%a1
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jra L(serial_init_done)
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4:
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#endif
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#ifdef CONFIG_MAC
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is_not_mac(L(serial_init_not_mac))
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#ifdef SERIAL_DEBUG
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/* You may define either or both of these. */
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#define MAC_USE_SCC_A /* Modem port */
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#define MAC_USE_SCC_B /* Printer port */
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#if defined(MAC_USE_SCC_A) || defined(MAC_USE_SCC_B)
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#define mac_scc_cha_b_ctrl_offset 0x0
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#define mac_scc_cha_a_ctrl_offset 0x2
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#define mac_scc_cha_b_data_offset 0x4
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#define mac_scc_cha_a_data_offset 0x6
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#if defined(MAC_USE_SCC_A) || defined(MAC_USE_SCC_B)
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movel %pc@(L(mac_sccbase)),%a0
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/* Reset SCC register pointer */
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moveb %a0@(mac_scc_cha_a_ctrl_offset),%d0
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@ -2905,7 +2897,6 @@ func_start serial_init,%d0/%d1/%a0/%a1
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subq #1,%d0
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jne 5b
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#endif
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#ifdef MAC_USE_SCC_A
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/* Initialize channel A */
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lea %pc@(L(scc_initable_mac)),%a1
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@ -2916,7 +2907,6 @@ func_start serial_init,%d0/%d1/%a0/%a1
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jra 5b
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6:
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#endif /* MAC_USE_SCC_A */
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#ifdef MAC_USE_SCC_B
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/* Initialize channel B */
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lea %pc@(L(scc_initable_mac)),%a1
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@ -2927,9 +2917,6 @@ func_start serial_init,%d0/%d1/%a0/%a1
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jra 7b
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8:
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#endif /* MAC_USE_SCC_B */
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#endif /* SERIAL_DEBUG */
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jra L(serial_init_done)
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L(serial_init_not_mac):
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#endif /* CONFIG_MAC */
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@ -2998,27 +2985,19 @@ func_start serial_putc,%d0/%d1/%a0/%a1
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#ifdef CONFIG_MAC
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is_not_mac(5f)
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#ifdef SERIAL_DEBUG
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#if defined(MAC_USE_SCC_A) || defined(MAC_USE_SCC_B)
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movel %pc@(L(mac_sccbase)),%a1
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#endif
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#ifdef MAC_USE_SCC_A
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3: btst #2,%a1@(mac_scc_cha_a_ctrl_offset)
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jeq 3b
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moveb %d0,%a1@(mac_scc_cha_a_data_offset)
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#endif /* MAC_USE_SCC_A */
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#ifdef MAC_USE_SCC_B
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4: btst #2,%a1@(mac_scc_cha_b_ctrl_offset)
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jeq 4b
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moveb %d0,%a1@(mac_scc_cha_b_data_offset)
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#endif /* MAC_USE_SCC_B */
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#endif /* SERIAL_DEBUG */
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jra L(serial_putc_done)
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5:
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#endif /* CONFIG_MAC */
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@ -3195,7 +3174,7 @@ func_start puts,%d0/%a0
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movel ARG1,%a0
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jra 2f
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1:
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#ifdef CONSOLE
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#ifdef CONSOLE_DEBUG
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console_putc %d0
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#endif
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#ifdef SERIAL_DEBUG
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@ -3224,7 +3203,7 @@ func_start putn,%d0-%d2
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jls 2f
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addb #'A'-('9'+1),%d2
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2:
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#ifdef CONSOLE
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#ifdef CONSOLE_DEBUG
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console_putc %d2
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#endif
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#ifdef SERIAL_DEBUG
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@ -3256,7 +3235,7 @@ ENTRY(mac_early_print)
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movel %sp@(22),%d1 /* fetch parameter */
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jra 2f
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1:
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#ifdef CONSOLE
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#ifdef CONSOLE_DEBUG
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console_putc %d0
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#endif
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#ifdef SERIAL_DEBUG
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@ -3292,7 +3271,7 @@ func_start set_leds,%d0/%a0
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func_return set_leds
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#endif
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#ifdef CONSOLE
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#ifdef CONSOLE_DEBUG
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/*
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* For continuity, see the data alignment
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* to which this structure is tied.
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@ -3396,43 +3375,6 @@ L(console_clear_loop):
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1:
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func_return console_init
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func_start console_put_stats,%a0/%d7
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/*
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* Some of the register usage that follows
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* a0 = pointer to boot_info
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* d7 = value of boot_info fields
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*/
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puts "\nMacLinux\n"
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#ifdef SERIAL_DEBUG
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puts "\n vidaddr:"
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putn %pc@(L(mac_videobase)) /* video addr. */
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puts "\n _stext:"
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lea %pc@(_stext),%a0
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putn %a0
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puts "\nbootinfo:"
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lea %pc@(_end),%a0
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putn %a0
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puts "\n cpuid:"
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putn %pc@(L(cputype))
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# ifdef CONFIG_MAC
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puts "\n sccbase:"
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putn %pc@(L(mac_sccbase))
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# endif
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# ifdef MMU_PRINT
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putc '\n'
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jbsr mmu_print_machine_cpu_types
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# endif
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#endif /* SERIAL_DEBUG */
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putc '\n'
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func_return console_put_stats
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#ifdef CONFIG_LOGO
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func_start console_put_penguin,%a0-%a1/%d0-%d7
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/*
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@ -3774,7 +3716,7 @@ L(white_16):
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L(console_plot_pixel_exit):
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func_return console_plot_pixel
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#endif /* CONSOLE */
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#endif /* CONSOLE_DEBUG */
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__INITDATA
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@ -3787,7 +3729,7 @@ L(iobase):
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.long 0
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#endif
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#if defined(CONSOLE)
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#ifdef CONSOLE_DEBUG
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L(console_globals):
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.long 0 /* cursor column */
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.long 0 /* cursor row */
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@ -3798,7 +3740,7 @@ L(console_font):
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.long 0 /* pointer to console font (struct font_desc) */
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L(console_font_data):
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.long 0 /* pointer to console font data */
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#endif /* CONSOLE */
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#endif /* CONSOLE_DEBUG */
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#if defined(MMU_PRINT)
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L(mmu_print_data):
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@ -3856,10 +3798,8 @@ L(mac_dimensions):
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.long 0
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L(mac_rowbytes):
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.long 0
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#ifdef SERIAL_DEBUG
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L(mac_sccbase):
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.long 0
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#endif
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#endif /* CONFIG_MAC */
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#if defined (CONFIG_APOLLO)
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