diff options
Diffstat (limited to 'c/src/lib/libbsp/mips/rbtx4925')
| -rw-r--r-- | c/src/lib/libbsp/mips/rbtx4925/Makefile.am | 10 | ||||
| -rw-r--r-- | c/src/lib/libbsp/mips/rbtx4925/startup/bsp_specs | 9 | ||||
| -rw-r--r-- | c/src/lib/libbsp/mips/rbtx4925/startup/bspstart.c | 34 | ||||
| -rw-r--r-- | c/src/lib/libbsp/mips/rbtx4925/startup/idttlb.S | 388 | ||||
| -rw-r--r-- | c/src/lib/libbsp/mips/rbtx4925/startup/inittlb.c | 17 | ||||
| -rw-r--r-- | c/src/lib/libbsp/mips/rbtx4925/startup/linkcmds | 188 |
6 files changed, 5 insertions, 641 deletions
diff --git a/c/src/lib/libbsp/mips/rbtx4925/Makefile.am b/c/src/lib/libbsp/mips/rbtx4925/Makefile.am index ca8846dfd4..b483b2413e 100644 --- a/c/src/lib/libbsp/mips/rbtx4925/Makefile.am +++ b/c/src/lib/libbsp/mips/rbtx4925/Makefile.am @@ -3,7 +3,7 @@ ACLOCAL_AMFLAGS = -I ../../../../aclocal include $(top_srcdir)/../../../../automake/compile.am include $(top_srcdir)/../../bsp.am -dist_project_lib_DATA = startup/bsp_specs +dist_project_lib_DATA = ../../../../../../bsps/mips/rbtx4925/start/bsp_specs #isr @@ -23,12 +23,12 @@ librtemsbsp_a_SOURCES = librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspfatal-default.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspgetworkarea-default.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspreset-empty.c -librtemsbsp_a_SOURCES += startup/bspstart.c +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/rbtx4925/start/bspstart.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/dev/getentropy/getentropy-cpucounter.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/sbrk.c -librtemsbsp_a_SOURCES += startup/inittlb.c -librtemsbsp_a_SOURCES += ../shared/startup/idttlb.S -librtemsbsp_a_SOURCES += ../shared/startup/idtmem.S +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/rbtx4925/start/inittlb.c +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/shared/start/idttlb.S +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/shared/start/idtmem.S librtemsbsp_a_SOURCES += ../shared/irq/exception.S # clock librtemsbsp_a_SOURCES +=../../../../../../bsps/mips/rbtx4925/clock/clockdrv.c diff --git a/c/src/lib/libbsp/mips/rbtx4925/startup/bsp_specs b/c/src/lib/libbsp/mips/rbtx4925/startup/bsp_specs deleted file mode 100644 index 87638cc027..0000000000 --- a/c/src/lib/libbsp/mips/rbtx4925/startup/bsp_specs +++ /dev/null @@ -1,9 +0,0 @@ -%rename endfile old_endfile -%rename startfile old_startfile - -*startfile: -%{!qrtems: %(old_startfile)} \ -%{!nostdlib: %{qrtems: crti.o%s crtbegin.o%s}} - -*endfile: -%{!qrtems: %(old_endfile)} %{qrtems: crtend.o%s crtn.o%s} diff --git a/c/src/lib/libbsp/mips/rbtx4925/startup/bspstart.c b/c/src/lib/libbsp/mips/rbtx4925/startup/bspstart.c deleted file mode 100644 index fc9fce1d94..0000000000 --- a/c/src/lib/libbsp/mips/rbtx4925/startup/bspstart.c +++ /dev/null @@ -1,34 +0,0 @@ -/** - * @file - * - * This routine starts the application. It includes application, - * board, and monitor specific initialization and configuration. - * The generic CPU dependent initialization has been performed - * before this routine is invoked. - */ - -/* - * COPYRIGHT (c) 1989-2012. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - */ - -#include <bsp.h> -#include <libcpu/isr_entries.h> -#include <bsp/irq-generic.h> - -void bsp_start( void ); - -/* - * bsp_start - * - * This routine does the bulk of the system initialization. - */ -void bsp_start( void ) -{ - bsp_interrupt_initialize(); -} - diff --git a/c/src/lib/libbsp/mips/rbtx4925/startup/idttlb.S b/c/src/lib/libbsp/mips/rbtx4925/startup/idttlb.S deleted file mode 100644 index 2574027dc9..0000000000 --- a/c/src/lib/libbsp/mips/rbtx4925/startup/idttlb.S +++ /dev/null @@ -1,388 +0,0 @@ -/* - -Based upon IDT provided code with the following release: - -This source code has been made available to you by IDT on an AS-IS -basis. Anyone receiving this source is licensed under IDT copyrights -to use it in any way he or she deems fit, including copying it, -modifying it, compiling it, and redistributing it either with or -without modifications. No license under IDT patents or patent -applications is to be implied by the copyright license. - -Any user of this software should understand that IDT cannot provide -technical support for this software and will not be responsible for -any consequences resulting from the use of this software. - -Any person who transfers this source code or any derivative work must -include the IDT copyright notice, this paragraph, and the preceeding -two paragraphs in the transferred software. - -COPYRIGHT IDT CORPORATION 1996 -LICENSED MATERIAL - PROGRAM PROPERTY OF IDT -*/ - - -/* -** idttlb.s - fetch the registers associated with and the contents -** of the tlb. -** -*/ -/* 950308: Ketan patched a few tlb functions that would not have worked.*/ -#include <rtems/mips/iregdef.h> -#include <rtems/mips/idtcpu.h> -#include <rtems/asm.h> - - - .text - -#if __mips == 1 -/* -** ret_tlblo -- returns the 'entrylo' contents for the TLB -** 'c' callable - as ret_tlblo(index) - where index is the -** tlb entry to return the lo value for - if called from assembly -** language then index should be in register a0. -*/ -FRAME(ret_tlblo,sp,0,ra) - .set noreorder - mfc0 t0,C0_SR # save sr - nop - and t0,~SR_PE # dont inadvertantly clear PE - mtc0 zero,C0_SR # clear interrupts - mfc0 t1,C0_TLBHI # save pid - sll a0,TLBINX_INXSHIFT # position index - mtc0 a0,C0_INX # write to index register - nop - tlbr # put tlb entry in entrylo and hi - nop - mfc0 v0,C0_TLBLO # get the requested entry lo - mtc0 t1,C0_TLBHI # restore pid - mtc0 t0,C0_SR # restore status register - j ra - nop - .set reorder -ENDFRAME(ret_tlblo) -#endif -#if __mips == 3 -/* -** ret_tlblo[01] -- returns the 'entrylo' contents for the TLB -** 'c' callable - as ret_tlblo(index) - where index is the -** tlb entry to return the lo value for - if called from assembly -** language then index should be in register a0. -*/ -FRAME(ret_tlblo0,sp,0,ra) - mfc0 t0,C0_SR # save sr - mtc0 zero,C0_SR # clear interrupts - mfc0 t1,C0_TLBHI # save pid - mtc0 a0,C0_INX # write to index register - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - tlbr # put tlb entry in entrylo and hi - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - mfc0 v0,C0_TLBLO0 # get the requested entry lo - mtc0 t1,C0_TLBHI # restore pid - mtc0 t0,C0_SR # restore status register - j ra -ENDFRAME(ret_tlblo0) - -FRAME(ret_tlblo1,sp,0,ra) - mfc0 t0,C0_SR # save sr - mtc0 zero,C0_SR # clear interrupts - mfc0 t1,C0_TLBHI # save pid - mtc0 a0,C0_INX # write to index register - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - tlbr # put tlb entry in entrylo and hi - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - mfc0 v0,C0_TLBLO1 # get the requested entry lo - mtc0 t1,C0_TLBHI # restore pid - mtc0 t0,C0_SR # restore status register - j ra -ENDFRAME(ret_tlblo1) - -/* -** ret_pagemask(index) -- return pagemask contents of tlb entry "index" -*/ -FRAME(ret_pagemask,sp,0,ra) - mfc0 t0,C0_SR # save sr - mtc0 zero,C0_SR # disable interrupts - mfc0 t1,C0_TLBHI # save current pid - mtc0 a0,C0_INX # drop it in C0 register - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - tlbr # read entry to entry hi/lo - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - mfc0 v0,C0_PAGEMASK # to return value - mtc0 t1,C0_TLBHI # restore current pid - mtc0 t0,C0_SR # restore sr - j ra -ENDFRAME(ret_pagemask) - -/* -** ret_tlbwired(void) -- return wired register -*/ -FRAME(ret_tlbwired,sp,0,ra) - mfc0 v0,C0_WIRED - j ra -ENDFRAME(ret_tlbwired) -#endif - -/* -** ret_tlbhi -- return the tlb entry high content for tlb entry -** index -*/ -FRAME(ret_tlbhi,sp,0,ra) -#if __mips == 1 - .set noreorder - mfc0 t0,C0_SR # save sr - nop - and t0,~SR_PE - mtc0 zero,C0_SR # disable interrupts - mfc0 t1,C0_TLBHI # save current pid - sll a0,TLBINX_INXSHIFT # position index - mtc0 a0,C0_INX # drop it in C0 register - nop - tlbr # read entry to entry hi/lo - nop - mfc0 v0,C0_TLBHI # to return value - mtc0 t1,C0_TLBHI # restore current pid - mtc0 t0,C0_SR # restore sr - j ra - nop - .set reorder -#endif -#if __mips == 3 - mfc0 t0,C0_SR # save sr - mtc0 zero,C0_SR # disable interrupts - mfc0 t1,C0_TLBHI # save current pid - mtc0 a0,C0_INX # drop it in C0 register - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - tlbr # read entry to entry hi/lo0/lo1/mask - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - mfc0 v0,C0_TLBHI # to return value - mtc0 t1,C0_TLBHI # restore current pid - mtc0 t0,C0_SR # restore sr - j ra -#endif -ENDFRAME(ret_tlbhi) - -/* -** ret_tlbpid() -- return tlb pid contained in the current entry hi -*/ -FRAME(ret_tlbpid,sp,0,ra) -#if __mips == 1 - .set noreorder - mfc0 v0,C0_TLBHI # fetch tlb high - nop - and v0,TLBHI_PIDMASK # isolate and position - srl v0,TLBHI_PIDSHIFT - j ra - nop - .set reorder -#endif -#if __mips == 3 - mfc0 v0,C0_TLBHI # to return value - nop - and v0,TLBHI_PIDMASK - j ra -#endif -ENDFRAME(ret_tlbpid) - -/* -** tlbprobe(address, pid) -- probe the tlb to see if address is currently -** mapped -** a0 = vpn - virtual page numbers are 0=0 1=0x1000, 2=0x2000... -** virtual page numbers for the r3000 are in -** entry hi bits 31-12 -** a1 = pid - this is a process id ranging from 0 to 63 -** this process id is shifted left 6 bits and or'ed into -** the entry hi register -** returns an index value (0-63) if successful -1 -f not -*/ -FRAME(tlbprobe,sp,0,ra) -#if __mips == 1 - .set noreorder - mfc0 t0,C0_SR /* fetch status reg */ - and a0,TLBHI_VPNMASK /* isolate just the vpn */ - and t0,~SR_PE /* don't inadvertantly clear pe */ - mtc0 zero,C0_SR - mfc0 t1,C0_TLBHI - sll a1,TLBHI_PIDSHIFT /* possition the pid */ - and a1,TLBHI_PIDMASK - or a0,a1 /* build entry hi value */ - mtc0 a0,C0_TLBHI - nop - tlbp /* do the probe */ - nop - mfc0 v1,C0_INX - li v0,-1 - bltz v1,1f - nop - sra v0,v1,TLBINX_INXSHIFT /* get index positioned for return */ -1: - mtc0 t1,C0_TLBHI /* restore tlb hi */ - mtc0 t0,C0_SR /* restore the status reg */ - j ra - nop - .set reorder -#endif -#if __mips == 3 - mfc0 t0,C0_SR # save sr - mtc0 zero,C0_SR # disable interrupts - mfc0 t1,C0_TLBHI # save current pid - and a0,TLBHI_VPN2MASK # construct tlbhi for probe - and a1,TLBHI_PIDMASK - or a0,a1 - mtc0 a0,C0_TLBHI - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - tlbp # probe entry to entry hi/lo0/lo1/mask - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - mfc0 v1,C0_INX - li v0,-1 - bltz v1,1f - move v0,v1 -1: mtc0 t1,C0_TLBHI # restore current pid - mtc0 t0,C0_SR # restore sr - j ra -#endif -ENDFRAME(tlbprobe) - -/* -** resettlb(index) Invalidate the TLB entry specified by index -*/ -FRAME(resettlb,sp,0,ra) -#if __mips == 1 - .set noreorder - mfc0 t0,C0_TLBHI # fetch the current hi - mfc0 v0,C0_SR # fetch the status reg. - li t2,K0BASE&TLBHI_VPNMASK - and v0,~SR_PE # dont inadvertantly clear PE - mtc0 zero,C0_SR - mtc0 t2,C0_TLBHI # set up tlbhi - mtc0 zero,C0_TLBLO - sll a0,TLBINX_INXSHIFT - mtc0 a0,C0_INX - nop - tlbwi # do actual invalidate - nop - mtc0 t0,C0_TLBHI - mtc0 v0,C0_SR - j ra - nop - .set reorder -#endif -#if __mips == 3 - li t2,K0BASE&TLBHI_VPN2MASK - mfc0 t0,C0_TLBHI # save current TLBHI - mfc0 v0,C0_SR # save SR and disable interrupts - mtc0 zero,C0_SR - mtc0 t2,C0_TLBHI # invalidate entry - mtc0 zero,C0_TLBLO0 - mtc0 zero,C0_TLBLO1 - mtc0 a0,C0_INX - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - tlbwi - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - mtc0 t0,C0_TLBHI - mtc0 v0,C0_SR - j ra -#endif -ENDFRAME(resettlb) - -#if __mips == 1 -/* -** Setup TLB entry -** -** map_tlb(index, tlbhi, phypage) -** a0 = TLB entry index -** a1 = virtual page number and PID -** a2 = physical page -*/ -FRAME(map_tlb,sp,0,ra) - .set noreorder - sll a0,TLBINX_INXSHIFT - mfc0 v0,C0_SR # fetch the current status - mfc0 a3,C0_TLBHI # save the current hi - and v0,~SR_PE # dont inadvertantly clear parity - - mtc0 zero,C0_SR - mtc0 a1,C0_TLBHI # set the hi entry - mtc0 a2,C0_TLBLO # set the lo entry - mtc0 a0,C0_INX # load the index - nop - tlbwi # put the hi/lo in tlb entry indexed - nop - mtc0 a3,C0_TLBHI # put back the tlb hi reg - mtc0 v0,C0_SR # restore the status register - j ra - nop - .set reorder -ENDFRAME(map_tlb) -#endif -#if __mips == 3 -/* -** Setup R4000 TLB entry -** -** map_tlb4000(mask_index, tlbhi, pte_even, pte_odd) -** a0 = TLB entry index and page mask -** a1 = virtual page number and PID -** a2 = pte -- contents of even pte -** a3 = pte -- contents of odd pte -*/ -FRAME(map_tlb4000,sp,0,ra) - and t2,a0,TLBPGMASK_MASK - and a0,TLBINX_INXMASK - mfc0 t1,C0_TLBHI # save current TLBPID - mfc0 v0,C0_SR # save SR and disable interrupts - mtc0 zero,C0_SR - mtc0 t2,C0_PAGEMASK # set - mtc0 a1,C0_TLBHI # set VPN and TLBPID - mtc0 a2,C0_TLBLO0 # set PPN and access bits - mtc0 a3,C0_TLBLO1 # set PPN and access bits - mtc0 a0,C0_INX # set INDEX to wired entry - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - tlbwi # drop it in - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - mtc0 t1,C0_TLBHI # restore TLBPID - mtc0 v0,C0_SR # restore SR - j ra -ENDFRAME(map_tlb4000) -#endif - - -/* -** Set current TLBPID. This assumes PID is positioned correctly in reg. -** a0. -*/ -FRAME(set_tlbpid,sp,0,ra) - .set noreorder - mtc0 a0,C0_TLBHI - j ra - nop - .set reorder -ENDFRAME(set_tlbpid) - diff --git a/c/src/lib/libbsp/mips/rbtx4925/startup/inittlb.c b/c/src/lib/libbsp/mips/rbtx4925/startup/inittlb.c deleted file mode 100644 index ab09e9c854..0000000000 --- a/c/src/lib/libbsp/mips/rbtx4925/startup/inittlb.c +++ /dev/null @@ -1,17 +0,0 @@ -/* - * inittlb.c - */ - -#include <bsp.h> -#include <rtems/mips/idtcpu.h> - -extern void resettlb( int i ); - -void init_tlb(void) -{ - int i; - - for (i = 0; i < N_TLB_ENTRIES; i++ ) - resettlb(i); -} - diff --git a/c/src/lib/libbsp/mips/rbtx4925/startup/linkcmds b/c/src/lib/libbsp/mips/rbtx4925/startup/linkcmds deleted file mode 100644 index 4f7de84115..0000000000 --- a/c/src/lib/libbsp/mips/rbtx4925/startup/linkcmds +++ /dev/null @@ -1,188 +0,0 @@ -/* - * linkcmds - */ - -/* - * Declare some sizes. - */ -RamBase = DEFINED(RamBase) ? RamBase : 0x80000000; -RamSize = DEFINED(RamSize) ? RamSize : 4M; -HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0; -_StackSize = DEFINED(_StackSize) ? _StackSize : 0x1000; - -ENTRY(start) -STARTUP(start.o) - -SECTIONS -{ - /* 0x80000000 - 0x8001FFFF used by PMON (with 0x80010000 - 0x8001FFFF as heap for symbol storage) - 0x80020000 - 0x8002FFFF reserved for shared memory - 0x80030000 beginning of text (code) section - */ - .text 0x80030000 : - { - _ftext = . ; - eprol = .; - *(.text) - *(.text.*) - *(.gnu.linkonce.t*) - *(.mips16.fn.*) - *(.mips16.call.*) - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - - /* - * Special FreeBSD sysctl sections. - */ - . = ALIGN (16); - __start_set_sysctl_set = .; - *(set_sysctl_*); - __stop_set_sysctl_set = ABSOLUTE(.); - *(set_domain_*); - *(set_pseudo_*); - - *(.gcc_except_table*) - *(.eh_frame_hdr) - *(.eh_frame) - } - - .init : - { - KEEP(*crti.o(.init)) - KEEP(*(.init)) - KEEP(*crtn.o(.init)) - } - - .fini : - { - KEEP(*crti.o(.fini)) - KEEP(*(.fini)) - KEEP(*crtn.o(.fini)) - } - - .ctors : - { - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - - KEEP (*crtbegin.o(.ctors)) - - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - - KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } - - .dtors : - { - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - - etext = .; - _etext = .; - } - - .rdata : { - *(.rdata) - *(.rodata) - *(.rodata.*) - KEEP (*(SORT(.rtemsroset.*))) - *(.gnu.linkonce.r*) - } - - .tdata : { - _TLS_Data_begin = .; - *(.tdata .tdata.* .gnu.linkonce.td.*) - _TLS_Data_end = .; - } - - .tbss : { - _TLS_BSS_begin = .; - *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) - _TLS_BSS_end = .; - } - - _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin; - _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin; - _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin; - _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin; - _TLS_Size = _TLS_BSS_end - _TLS_Data_begin; - _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss)); - - _fdata = ALIGN(16); - - .data : { - *(.data) - *(.data.*) - KEEP (*(SORT(.rtemsrwset.*))) - *(.gnu.linkonce.d*) - SORT(CONSTRUCTORS) - } - . = ALIGN(8); - - .jcr : { - KEEP (*(.jcr)) - } - - _gp = ALIGN(16) + 0x8000; - __global = _gp; - - .sdata : { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s*) - } - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - - edata = .; - _edata = .; - _fbss = .; - - .sbss : { - *(.sbss) - *(.scommon) - } - .bss : { - _bss_start = . ; - *(.bss) - *(COMMON) - . = ALIGN (64); - _stack_limit = .; - . += _StackSize; - __stack = .; - _stack_init = .; - end = .; - _end = .; - WorkAreaBase = .; - } - - - /* Debug sections. These should never be loadable, but they must have - zero addresses for the debuggers to work correctly. */ - .line 0 : { *(.line) } - .debug 0 : { *(.debug) } - .debug_sfnames 0 : { *(.debug_sfnames) } - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_macinfo 0 : { *(.debug_macinfo) } - .debug_pubnames 0 : { *(.debug_pubnames) } - .debug_aranges 0 : { *(.debug_aranges) } -} |