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Add in the test rom
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263
testrom/entry.c
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263
testrom/entry.c
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/*
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Copyright (c) 2001 by William A. Gatliff
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All rights reserved. bgat@billgatliff.com
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Copyright (c) 2009 by D. Jeff Dionne
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All rights reserved. jeff@uClinux.org
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See the file COPYING for details.
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This file is provided "as-is", and without any express
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or implied warranties, including, without limitation,
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the implied warranties of merchantability and fitness
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for a particular purpose.
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The authors welcome feedback regarding this file.
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Simple GDB ROM for SH J2 architecture devices
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*/
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#include "gdb.h"
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#include "sh2.h"
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void uart_tx(unsigned char c);
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unsigned char uart_rx();
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void main_sh();
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void alutest();
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int gdb_putc (int c)
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{
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uart_tx(c & 0xff);
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return c & 0xff;
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}
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int gdb_getc (void)
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{
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return uart_rx();
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}
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void gdb_monitor_onexit (void) {}
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void gdb_startup (void)
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{
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main_sh();
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}
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__asm__(
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".section .vect\n"
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".align 2\n"
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".global _vector_table\n"
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"_vector_table:\n"
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" .long _start /* 0: power-on reset */\n"
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" .long _stack+0x2fc\n"
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" .long _start /* 2: manual reset */\n"
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" .long _stack+0x2fc\n"
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" .long _gdb_illegalinst_isr /* 4: general illegal instruction */\n"
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" .long _gdb_unhandled_isr /* 5: (reserved) */\n"
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" .long _gdb_illegalinst_isr /* 6: slot illegal instruction */\n"
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" .long _gdb_unhandled_isr /* 7: (reserved) */\n"
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" .long _gdb_unhandled_isr /* 8: (reserved) */\n"
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" .long _gdb_addresserr_isr /* 9: CPU address error */\n"
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" .long _gdb_addresserr_isr /* 10: DMAC/DTC address error */\n"
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" .long _gdb_nmi_isr /* 11: NMI */\n"
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" .long _gdb_unhandled_isr /* 12: UBC */\n"
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" .long _gdb_unhandled_isr /* 13: (reserved) */\n"
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" .long _gdb_unhandled_isr /* 14: (reserved) */\n"
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" .long _gdb_unhandled_isr /* 15: (reserved) */\n"
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#if 0 /* using sh2i.c for interrupts test */
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" .long _gdb_pit_isr /* 16: PIT */\n"
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" .long _gdb_ihandler_emac /* 0x11: (EMAC interface) */\n"
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" .long _gdb_unhandled_isr /* 0x12: (reserved) */\n"
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" .long _gdb_unhandled_isr /* 0x13: (reserved) */\n"
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" .long _gdb_unhandled_isr /* 0x14: (reserved) */\n"
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" .long _gdb_unhandled_isr /* 0x15: (reserved) */\n"
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" .long _gdb_unhandled_isr /* 0x16: (reserved) */\n"
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" .long _gdb_ihandler_uart1 /* 0x17: (UART Console) */\n"
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" .long _gdb_unhandled_isr /* 0x18: (reserved) */\n"
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#else /* interrupts default to save space */
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" .long _gdb_unhandled_isr /* 16: PIT */\n"
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" .long _gdb_unhandled_isr /* 0x11: (EMAC interface) */\n"
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" .long _gdb_unhandled_isr /* 0x12: (reserved) */\n"
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" .long _gdb_unhandled_isr /* 0x13: (reserved) */\n"
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" .long _gdb_unhandled_isr /* 0x14: (reserved) */\n"
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" .long _gdb_unhandled_isr /* 0x15: (reserved) */\n"
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" .long _gdb_unhandled_isr /* 0x16: (reserved) */\n"
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" .long _gdb_unhandled_isr /* 0x17: (UART Console) */\n"
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" .long _gdb_unhandled_isr /* 0x18: (reserved) */\n"
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#endif
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" .long _gdb_unhandled_isr /* 25: (when AIC countdown reach 0) */\n"
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" .long _gdb_unhandled_isr /* 26: (reserved) */\n"
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" .long _gdb_unhandled_isr /* 27: (reserved) */\n"
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" .long _gdb_unhandled_isr /* 28: (reserved) */\n"
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" .long _gdb_unhandled_isr /* 29: (reserved) */\n"
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" .long _gdb_unhandled_isr /* 30: (reserved) */\n"
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" .long _gdb_unhandled_isr /* 31: (reserved) */\n"
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" .long _gdb_trapa32_isr /* 32: trap 32 instruction */\n"
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" .long _gdb_trapa33_isr /* 33: trap 33 instruction */\n"
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" .long _gdb_trapa34_isr /* 34: trap 34 instruction */\n"
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" .long _gdb_unhandled_isr /* */\n"
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" .long _gdb_unhandled_isr /* */\n"
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" .long _gdb_unhandled_isr /* */\n"
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" .long _gdb_unhandled_isr /* */\n"
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" .long _gdb_unhandled_isr /* */\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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" .long _gdb_unhandled_isr\n"
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""
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".section .text\n"
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".align 2\n"
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"_testjsr:\n"
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" mov.l jsr_leds, r0\n"
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" mov.l pio_addr, r1\n"
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" mov.l r0, @r1\n"
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" rts\n"
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" nop\n"
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""
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".section .text\n"
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".align 2\n"
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".global _start\n"
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".global start\n"
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"start:\n"
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"_start:\n"
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" nop\n"
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" mov.l start_leds, r0\n"
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" mov.l pio_addr, r1\n"
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" mov.l r0, @r1\n"
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" mov.l testjsr_k, r0\n"
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" jsr @r0\n"
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" nop\n"
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" mov.l pio_addr, r1\n"
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" mov.l start1_leds, r0\n"
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" mov.l r0, @r1\n"
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#ifndef NO_TESTS
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" mov.l testbra_k, r0\n"
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" jsr @r0\n"
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" nop\n"
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" mov.l testmov_k, r0\n"
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" jsr @r0\n"
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" nop\n"
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" mov.l testmov2_k, r0\n"
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" jsr @r0\n"
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" nop\n"
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" mov.l testmov3_k, r0\n"
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" jsr @r0\n"
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" nop\n"
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" mov.l testalu_k, r0\n"
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" jsr @r0\n"
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" nop\n"
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" mov.l testshift_k, r0\n"
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" jsr @r0\n"
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" nop\n"
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" mov.l testmul_k, r0\n"
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" jsr @r0\n"
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" nop\n"
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" mov.l testmulu_k, r0\n"
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" jsr @r0\n"
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" nop\n"
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" mov.l testmuls_k, r0\n"
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" jsr @r0\n"
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" nop\n"
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" mov.l testmull_k, r0\n"
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" jsr @r0\n"
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" nop\n"
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" mov.l testdmulu_k, r0\n"
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" jsr @r0\n"
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" nop\n"
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" mov.l testdmuls_k, r0\n"
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" jsr @r0\n"
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" nop\n"
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" mov.l testmulconf_k, r0\n"
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" jsr @r0\n"
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" nop\n"
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" mov.l testdiv_k, r0\n"
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" jsr @r0\n"
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" nop\n"
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" mov.l testmacw_k, r0\n"
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" jsr @r0\n"
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" nop\n"
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" mov.l testmacl_k, r0\n"
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" jsr @r0\n"
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#endif /* NO_TESTS */
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" nop\n"
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" mov #0, r0\n"
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" mov #1, r1\n"
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" mov #2, r2\n"
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" mov #3, r3\n"
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" mov #4, r4\n"
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" mov #5, r5\n"
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" mov #6, r6\n"
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" mov #7, r7\n"
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" mov #8, r8\n"
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" mov #9, r9\n"
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" mov #10, r10\n"
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" mov #11, r11\n"
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" mov #12, r12\n"
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" mov #13, r13\n"
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" mov #0, r14\n"
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" ldc r14, vbr\n"
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" ldc r14, gbr\n"
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" ldc r14, sr\n"
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" mov.l gdbstartup_k, r0\n"
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" jsr @r0\n"
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" nop\n"
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" trapa #32\n"
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" nop\n"
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".align 2\n"
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"gdbstartup_k: .long _gdb_startup\n"
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"gdbmonitor_k: .long _gdb_monitor\n"
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"testjsr_k: .long _testjsr\n"
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#ifndef NO_TESTS
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"testbra_k: .long _testbra\n"
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"testmov_k: .long _testmov\n"
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"testmov2_k: .long _testmov2\n"
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"testmov3_k: .long _testmov3\n"
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"testalu_k: .long _testalu\n"
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"testshift_k: .long _testshift\n"
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"testmul_k: .long _testmul\n"
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"testmulu_k: .long _testmulu\n"
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"testmuls_k: .long _testmuls\n"
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"testmull_k: .long _testmull\n"
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"testdmulu_k: .long _testdmulu\n"
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"testdmuls_k: .long _testdmuls\n"
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"testmulconf_k: .long _testmulconf\n"
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"testdiv_k: .long _testdiv\n"
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"testmacw_k: .long _testmacw\n"
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"testmacl_k: .long _testmacl\n"
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#endif /* NO_TESTS */
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"pio_addr: .long 0xABCD0000\n"
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"start_leds: .long 0x000000ff\n"
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"start1_leds: .long 0x0000004f\n"
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"jsr_leds: .long 0x00000011\n"
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);
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