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The second instruction in an MLX bundle is slot one, not slot two, even

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though the actual opcode is stored in the value in slot two.
This commit is contained in:
Doug Rabson 2001-09-20 16:29:30 +00:00
parent db4de7c98c
commit 1e59a2270d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=83732
1 changed files with 13 additions and 1 deletions
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14
sys/ia64/ia64/db_disasm.c
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@ -2831,6 +2831,14 @@ db_disasm(db_addr_t loc, boolean_t altfmt)
loc &= ~15;
db_read_bundle(loc, &b);
/*
* The uses a Restart Instruction value of one to represent
* the L+X slot of an MLX template bundle but the opcode is
* actually in slot two.
*/
if ((b.template == 4 || b.template == 5) && slot == 1)
slot = 2;
if (b.slot[slot] & 63)
db_printf("(p%ld) ", b.slot[slot] & 63);
(prints[b.template][slot])(loc, b.slot[slot], altfmt);
@ -2839,9 +2847,13 @@ db_disasm(db_addr_t loc, boolean_t altfmt)
else
db_printf("\n");
/*
* Handle MLX bundles by advancing from slot one to the
* following bundle.
*/
if (b.template == 4 || b.template == 5) {
if (slot == 0)
loc += 2;
loc += 1;
else
loc += 16;
} else {