1 #ifndef CYGONCE_HAL_PLF_STUB_H
2 #define CYGONCE_HAL_PLF_STUB_H
4 //=============================================================================
8 // Platform header for GDB stub support.
10 //=============================================================================
11 //####ECOSGPLCOPYRIGHTBEGIN####
12 // -------------------------------------------
13 // This file is part of eCos, the Embedded Configurable Operating System.
14 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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22 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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30 // or inline functions from this file, or you compile this file and link it
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40 // at http://sources.redhat.com/ecos/ecos-license/
41 // -------------------------------------------
42 //####ECOSGPLCOPYRIGHTEND####
43 //=============================================================================
44 //#####DESCRIPTIONBEGIN####
49 // Purpose: Platform HAL stub support for Fujitsu FRV-400
50 // Usage: #include <cyg/hal/plf_stub.h>
52 //####DESCRIPTIONEND####
54 //=============================================================================
56 #include <pkgconf/hal.h>
57 #include <cyg/infra/cyg_type.h> // CYG_UNUSED_PARAM
59 //#include <cyg/hal/hal_io.h> // IO macros
60 //#include <cyg/hal/hal_intr.h> // Interrupt macros
61 #include <cyg/hal/frv_stub.h> // architecture stub support
63 #ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
64 //----------------------------------------------------------------------------
65 // Define some platform specific communication details. This is mostly
66 // handled by hal_if now, but we need to make sure the comms tables are
67 // properly initialized.
69 externC void cyg_hal_plf_comms_init(void);
71 #define HAL_STUB_PLATFORM_INIT_SERIAL() cyg_hal_plf_comms_init()
72 #define HAL_STUB_PLATFORM_SET_BAUD_RATE(baud) CYG_UNUSED_PARAM(int, (baud))
73 #define HAL_STUB_PLATFORM_INTERRUPTIBLE 0
75 //----------------------------------------------------------------------------
77 #define HAL_STUB_PLATFORM_INIT() CYG_EMPTY_STATEMENT
79 // ---------------------------------------------------------------------------
80 // Hardware breakpoint/watchpoint support
81 extern int cyg_hal_plf_hw_breakpoint(int setflag, void *addr, int len);
82 extern int cyg_hal_plf_hw_watchpoint(int setflag, void *addr, int len, int type);
83 extern int cyg_hal_plf_is_stopped_by_hardware(void **paddr);
85 #define HAL_STUB_HW_BREAKPOINT_LIST_SIZE 4
86 #define HAL_STUB_HW_WATCHPOINT_LIST_SIZE 2
88 #define HAL_STUB_HW_BREAKPOINT(f,a,l) cyg_hal_plf_hw_breakpoint((f),(a),(l))
89 #define HAL_STUB_HW_WATCHPOINT(f,a,l,t) cyg_hal_plf_hw_watchpoint((f),(a),(l),(t))
90 #define HAL_STUB_IS_STOPPED_BY_HARDWARE(p) cyg_hal_plf_is_stopped_by_hardware(&(p))
92 #endif // ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
94 // ------------------------------------------------------------------------
95 // Horrid stuff to enter and exit debug mode
97 #define HAL_FRV_ENTER_DEBUG_MODE() asm volatile ("break" : : : "lr")
99 #define HAL_FRV_EXIT_DEBUG_MODE() \
102 "10:\t movsg lr, gr6 \n" /* get local addr */ \
103 "\t addi gr6, #16, gr6 \n" /* skip past rett */ \
104 "\t movgs gr6, bpcsr \n" /* Break PC save reg */ \
108 : "gr6","lr" /* clobber list */ \
112 //-----------------------------------------------------------------------------
113 #endif // CYGONCE_HAL_PLF_STUB_H