From c1a24fbea67e4f531d44d43507029aee2b01641b Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Thu, 30 Nov 2000 14:10:38 +0000 Subject: 2000-11-30 Joel Sherrill * README: Updated to reflect current status. Misaligned reference during initialization may be compiler problem. * console/console-io.c: Added support for printk(). * startup/linkcmds: Reserve 512K for RTEMS Workspace. --- c/src/lib/libbsp/mips/jmr3904/ChangeLog | 7 ++++++ c/src/lib/libbsp/mips/jmr3904/README | 28 ++++++++++++++-------- c/src/lib/libbsp/mips/jmr3904/console/console-io.c | 7 ++++++ c/src/lib/libbsp/mips/jmr3904/startup/linkcmds | 2 +- 4 files changed, 33 insertions(+), 11 deletions(-) diff --git a/c/src/lib/libbsp/mips/jmr3904/ChangeLog b/c/src/lib/libbsp/mips/jmr3904/ChangeLog index ba0eba1974..9427326c90 100644 --- a/c/src/lib/libbsp/mips/jmr3904/ChangeLog +++ b/c/src/lib/libbsp/mips/jmr3904/ChangeLog @@ -1,3 +1,10 @@ +2000-11-30 Joel Sherrill + + * README: Updated to reflect current status. Misaligned reference + during initialization may be compiler problem. + * console/console-io.c: Added support for printk(). + * startup/linkcmds: Reserve 512K for RTEMS Workspace. + 2000-11-27 Joel Sherrill * startup/linkcmds: Fix typo and add extra 0 to base address. diff --git a/c/src/lib/libbsp/mips/jmr3904/README b/c/src/lib/libbsp/mips/jmr3904/README index b3fdc24d20..a6d974712b 100644 --- a/c/src/lib/libbsp/mips/jmr3904/README +++ b/c/src/lib/libbsp/mips/jmr3904/README @@ -8,16 +8,24 @@ Simulator Invocation ==================== The following is not 100% correct since it does not work. :) -target sim --board=jmr3904pal --memory-region 0xffff8000,0x900 \ - --memory-region 0xffffe000,0x4 --memory-region 0xb2100000,0x4 - --memory-region 0x8800000,0x100000 -memory-region 0x80000000,0x40000 \ - --memory-region 0xfffff300,0x10 +target sim --board=jmr3904pal --memory-region 0x8800000,0x100000 Status ====== -This BSP is not working. It gets to the point where the -console_outbyte_polled() routine is called during printf -and it locks up checking for a status bit. This is probably -a simulator initialization issue related to the setup command. -As of 25 Nov 2000, email was sent to the gdb and newlib maintainers -asking for advice. + ++ printk() works and is being called from bsp_start as prove. + ++ There appears to be a compilation problem in _Thread_Handler_initialization +where _Thread_Ready_chain[1] is only 1 byte -- not 12 from +_Thread_Ready_chain[0]. I am throwing this to the RTEMS list +first before reporting it. + +Made it to bsp_start +mips-core: 4 byte write to unaligned address 0x8803bb01 at 0x8800d83c + +Program received signal SIGBUS, Bus error. +0x8800d83c in _Chain_Initialize_empty (the_chain=0x8803bb01) + at ../../../../../jmr3904/lib/include/rtems/score/chain.inl:222 +222 the_chain->first = _Chain_Tail( the_chain ); +(gdb) q + diff --git a/c/src/lib/libbsp/mips/jmr3904/console/console-io.c b/c/src/lib/libbsp/mips/jmr3904/console/console-io.c index 5a301fe4f1..1ad3d9af29 100644 --- a/c/src/lib/libbsp/mips/jmr3904/console/console-io.c +++ b/c/src/lib/libbsp/mips/jmr3904/console/console-io.c @@ -121,3 +121,10 @@ int console_inbyte_nonblocking( return -1; } +#include + +void JMR3904_output_char(char c) { console_outbyte_polled( 0, c ); } + +BSP_output_char_function_type BSP_output_char = JMR3904_output_char; +BSP_polling_getchar_function_type BSP_poll_char = NULL; + diff --git a/c/src/lib/libbsp/mips/jmr3904/startup/linkcmds b/c/src/lib/libbsp/mips/jmr3904/startup/linkcmds index e6d73d9cea..d26b2c1148 100644 --- a/c/src/lib/libbsp/mips/jmr3904/startup/linkcmds +++ b/c/src/lib/libbsp/mips/jmr3904/startup/linkcmds @@ -77,7 +77,7 @@ SECTIONS . += _StackSize; _clear_end = .; WorkspaceBase = .; - . += 64K; /* reserve some memory for workspace */ + . += 512K; /* reserve some memory for workspace */ HeapBase = .; . += HeapSize; /* reserve some memory for heap */ } -- cgit v1.2.3