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* run.c (main): Don't "load" sections which don't have

Browse Source 
SEC_LOAD set.
        * compile.c (sim_resume, case "O_NOT"): Use ONOT instead
        of OSHIFTS.
        (ONOT): Define.
        (sim_resume, shift/rotate cases): Add support for shift/rotate
        by two bits.
        (OSHIFTS): Corresponding changes.
Handling more H8/S ops.
This commit is contained in:
Jeff Law 1996-07-03 05:10:47 +00:00
parent 7eaffbec23
commit 7647e0dd79
3 changed files with 94 additions and 36 deletions
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11
sim/h8300/ChangeLog
View File

@ -1,3 +1,14 @@
Tue Jul 2 23:08:45 1996 Jeffrey A Law (law@cygnus.com)
* run.c (main): Don't "load" sections which don't have
SEC_LOAD set.
* compile.c (sim_resume, case "O_NOT"): Use ONOT instead
of OSHIFTS.
(ONOT): Define.
(sim_resume, shift/rotate cases): Add support for shift/rotate
by two bits.
(OSHIFTS): Corresponding changes.
start-sanitize-h8s
Tue Jul 2 01:37:27 1996 Jeffrey A Law (law@cygnus.com)

106
sim/h8300/compile.c
View File

@ -823,7 +823,7 @@ mop (code, bsize, sign)
}
#define OSHIFTS(name, how) \
#define ONOT(name, how) \
case O(name, SB): \
{ \
int t; \
@ -849,6 +849,53 @@ case O(name, SL): \
goto shift32; \
}
#define OSHIFTS(name, how1, how2) \
case O(name, SB): \
{ \
int t; \
int hm = 0x80; \
rd = GET_B_REG (code->src.reg); \
if ((GET_MEMORY_B (pc + 1) & 0x40) == 0) \
{ \
how1; \
} \
else \
{ \
how2; \
} \
goto shift8; \
} \
case O(name, SW): \
{ \
int t; \
int hm = 0x8000; \
rd = GET_W_REG (code->src.reg); \
if ((GET_MEMORY_B (pc + 1) & 0x40) == 0) \
{ \
how1; \
} \
else \
{ \
how2; \
} \
goto shift16; \
} \
case O(name, SL): \
{ \
int t; \
int hm = 0x80000000; \
rd = GET_L_REG (code->src.reg); \
if ((GET_MEMORY_B (pc + 1) & 0x40) == 0) \
{ \
how1; \
} \
else \
{ \
how2; \
} \
goto shift32; \
}
#define OBITOP(name,f, s, op) \
case O(name, SB): \
{ \
@ -1204,38 +1251,31 @@ sim_resume (step, siggnal)
printf ("%c", cpu.regs[2]);
goto next;
OSHIFTS (O_NOT, rd = ~rd; v = 0;);
OSHIFTS (O_SHLL, c = rd & hm; v = 0;
rd <<= 1);
OSHIFTS (O_SHLR, c = rd & 1; v = 0;
rd = (unsigned int) rd >> 1);
OSHIFTS (O_SHAL, c = rd & hm;
v = (rd & hm) != ((rd & (hm >> 1)) << 1);
rd <<= 1);
OSHIFTS (O_SHAR, t = rd & hm;
c = rd & 1;
v = 0;
rd >>= 1;
rd |= t;
);
OSHIFTS (O_ROTL, c = rd & hm;
v = 0;
rd <<= 1;
rd |= C);
OSHIFTS (O_ROTR, c = rd & 1;
v = 0;
rd = (unsigned int) rd >> 1;
if (c) rd |= hm;);
OSHIFTS (O_ROTXL, t = rd & hm;
rd <<= 1;
rd |= C;
c = t;
v = 0;
);
OSHIFTS (O_ROTXR, t = rd & 1;
rd = (unsigned int) rd >> 1;
if (C) rd |= hm; c = t;
v = 0;);
ONOT (O_NOT, rd = ~rd; v = 0;);
OSHIFTS (O_SHLL,
c = rd & hm; v = 0; rd <<= 1,
c = rd & (hm >> 1); v = 0; rd <<= 2);
OSHIFTS (O_SHLR,
c = rd & 1; v = 0; rd = (unsigned int) rd >> 1,
c = rd & 2; v = 0; rd = (unsigned int) rd >> 2);
OSHIFTS (O_SHAL,
c = rd & hm; v = (rd & hm) != ((rd & (hm >> 1)) << 1); rd <<= 1,
c = rd & (hm >> 1); v = (rd & (hm >> 1)) != ((rd & (hm >> 2)) << 2); rd <<= 2);
OSHIFTS (O_SHAR,
t = rd & hm; c = rd & 1; v = 0; rd >>= 1; rd |= t,
t = rd & hm; c = rd & 2; v = 0; rd >>= 2; rd |= t | t >> 1 );
OSHIFTS (O_ROTL,
c = rd & hm; v = 0; rd <<= 1; rd |= C,
c = rd & (hm >> 1); v = 0; rd <<= 2; rd |= C);
OSHIFTS (O_ROTR,
c = rd & 1; v = 0; rd = (unsigned int) rd >> 1; if (c) rd |= hm,
c = rd & 2; v = 0; rd = (unsigned int) rd >> 2; if (c) rd |= hm);
OSHIFTS (O_ROTXL,
t = rd & hm; rd <<= 1; rd |= C; c = t; v = 0,
t = rd & (hm >> 1); rd <<= 2; rd |= C; c = t; v = 0);
OSHIFTS (O_ROTXR,
t = rd & 1; rd = (unsigned int) rd >> 1; if (C) rd |= hm; c = t; v = 0,
t = rd & 2; rd = (unsigned int) rd >> 2; if (C) rd |= hm; c = t; v = 0);
case O (O_JMP, SB):
{

13
sim/h8300/run.c
View File

@ -98,9 +98,16 @@ main (ac, av)
for (s = abfd->sections; s; s=s->next)
{
char *buffer = malloc(bfd_section_size(abfd,s));
bfd_get_section_contents(abfd, s, buffer, 0, bfd_section_size(abfd,s));
sim_write(s->vma, buffer, bfd_section_size(abfd,s));
char *buffer;
if (s->flags & SEC_LOAD)
{
buffer = malloc(bfd_section_size(abfd,s));
bfd_get_section_contents(abfd, s, buffer, 0,
bfd_section_size (abfd, s));
sim_write(s->vma, buffer, bfd_section_size (abfd, s));
}
}
start_address = bfd_get_start_address(abfd);