[OLPC-devel] Re: Status and some issues.

Ronald G Minnich rminnich at lanl.gov
Fri May 12 12:27:20 EDT 2006


Li-Ta Lo wrote:

> Can you trap at 0x40400000 to see if VSM is actually entered?

Call real_mode_switch_call_vsm
biosint: INT# 0x15
biosint: eax 0xbea7 ebx 0x4e53 ecx 0x10000026 edx 0x10000028
biosint: ebp 0x13f24 esp 0xff0 edi 0xea20 esi 0x38
biosint:  ip 0x5b3   cs 0x6000  flags 0x46
biosint: gs 0x0 fs 0x0 ds 0x6000 es 0x0
handleint21, eax 0xbea7
biosint: INT# 0x15
biosint: eax 0xbea4 ebx 0x4e53 ecx 0x10000026 edx 0x10000028
biosint: ebp 0x13f24 esp 0xfee edi 0xea20 esi 0x38
biosint:  ip 0x5c1   cs 0x6000  flags 0x46
biosint: gs 0x0 fs 0x0 ds 0x6000 es 0x0
handleint21, eax 0xbea4

so VSA is called.

but the breakpoint never triggers:

{-mode off}
{-mode off}
{-mode off}
{-mode off}
{-mode execution -addr 0x40400000 -length 1}
{-mode off}
{-mode off}
{-mode off}
{-mode off}
{-mode off}

damn.

ron



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