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relax fpu detection, and wow, it goes up to the boot menu !

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(but there are lots of remaining stubs, like mmu)


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23553 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
François Revol
2008-01-16 04:28:06 +00:00
parent 7ef900d3ef
commit 084b710863
1 changed files with 8 additions and 3 deletions
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src/system/boot/platform/atari_m68k/cpu.cpp
+8 -3
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@@ -38,19 +38,22 @@ check_cpu_features()
#warning M68K: TODO: probe ourselves, we shouldn't trust the TOS! #warning M68K: TODO: probe ourselves, we shouldn't trust the TOS!
const tos_cookie *c; const tos_cookie *c;
uint16 cpu_type, fpu_type, fpu_emul;
c = tos_find_cookie('_CPU'); c = tos_find_cookie('_CPU');
if (!c) { if (!c) {
panic("can't get a cookie (_CPU)! Mum, I'm hungry!"); panic("can't get a cookie (_CPU)! Mum, I'm hungry!");
return EINVAL; return EINVAL;
} }
cpu_type = (uint16) c->ivalue;
dump_tos_cookies(); dump_tos_cookies();
#warning M68K: check for 020 + mmu #warning M68K: check for 020 + mmu
if (c->ivalue < 30/*20*/) if (cpu_type < 30/*20*/)
return EINVAL; return EINVAL;
gKernelArgs.arch_args.has_lpstop = (c->ivalue >= 60)?true:false; gKernelArgs.arch_args.has_lpstop = (cpu_type >= 60)?true:false;
#warning M68K: add cpu type to kern args #warning M68K: add cpu type to kern args
c = tos_find_cookie('_FPU'); c = tos_find_cookie('_FPU');
@@ -58,9 +61,11 @@ check_cpu_features()
panic("can't get a cookie (_FPU)! Mum, I'm hungry!"); panic("can't get a cookie (_FPU)! Mum, I'm hungry!");
return EINVAL; return EINVAL;
} }
fpu_type = (uint16)(c->ivalue >> 16);
fpu_emul = (uint16)(c->ivalue);
#warning M68K: check for fpu in detail #warning M68K: check for fpu in detail
if (c->ivalue < 2 || c->ivalue > 7) { if (fpu_type < 2 || fpu_type > 9) {
panic("bad fpu"); panic("bad fpu");
return EINVAL; return EINVAL;
} }