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Code

almost working, just before major change

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This commit is contained in:
Bas Wijnen 2009-08-13 17:28:36 +02:00
parent 5198fd8db4
commit 7b99ba0bdf
8 changed files with 131 additions and 129 deletions
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1
alloc.ccp
View File

@ -189,6 +189,7 @@ Thread *Memory::alloc_thread (unsigned size):
ret->flags = 0
ret->schedule_prev = NULL
ret->schedule_next = NULL
ret->slots = size
for unsigned i = 0; i < size; ++i:
ret->caps[i] = NULL
return ret

2
boot-programs/init.ccp
View File

@ -61,7 +61,7 @@ char const *decode_kbd = "0123456789abcdefghijklmnopqrstuvwxyz!@#$%^&*() T\n[],.
int main ():
// Set up lcd first
//schedule ()
schedule ()
kdebug ("start init\n")
setup ()
kdebug ("run init\n")

6
boot-programs/lcd.ccp
View File

@ -128,10 +128,6 @@ int main ():
unsigned pages = (frame_size + ~PAGE_MASK) >> PAGE_BITS
unsigned physical = alloc_range (__my_memory, pages)
assert (physical)
//Capability cappage[2]
//unsigned base[2]
//cappage[0] = memory_create_cappage (__my_memory, &base[0])
//cappage[1] = memory_create_cappage (__my_memory, &base[1])
for unsigned i = 0; i < pages; ++i:
memory_create_page (6, __my_memory)
alloc_physical (6, physical + i * PAGE_SIZE, 0, 1)
@ -168,7 +164,7 @@ int main ():
invoke_11 (__my_parent, cap_copy (6), INIT_SET_LCD)
receiver_create_capability (15, __my_receiver, LCD_LOG)
__asm__ volatile ("li $a0, 1\nlw $a1, 15\nbreak" ::: "a0", "a1", "memory")
__asm__ volatile ("li $a0, 1\nli $a1, 15\nbreak" ::: "a0", "a1", "memory")
while true:
Message msg

3
invoke.ccp
View File

@ -50,8 +50,9 @@ CapRef Thread::find_capability (unsigned code, bool *copy):
unsigned c = code & ~CAPABILITY_COPY
unsigned slot = c >> 16
unsigned num = c & 0xffff
if slot >= slots || !caps[slot] || num >= caps[slot]->size || !caps[slot]->caps[num].target:
if slot >= slots || !caps[slot] || num >= caps[slot]->size:
if c != CAPABILITY_NONE:
panic (code, "debug")
dbg_log_num ((unsigned)old_current)
dbg_log (": invalid capability ")
dbg_log_num (code)

204
iris.h
View File

@ -234,10 +234,10 @@ static void call (Capability target, Message *msg, Capability r0, Capability r1,
Capability t = cap_copy (target);
__asm__ volatile ("lw $v0, %0\n"
"\tlw $v1, %1\n"
"\tlw $t4, %1\n"
"\tlw $t5, %2\n"
"\tlw $t6, %3\n"
"\tlw $t7, %4\n"
"\tlw $t4, %2\n"
"\tlw $t5, %3\n"
"\tlw $t6, %4\n"
"\tlw $t7, %5\n"
"\tlw $t0, 0($v1)\n"
"\tlw $t1, 4($v1)\n"
"\tlw $t2, 8($v1)\n"
@ -265,10 +265,10 @@ static void invoke_00 (Capability t)
msg.data[1] = 0;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[0] = 0;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[0] = CAPABILITY_NONE;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
invoke (t, &msg);
}
@ -279,10 +279,10 @@ static void invoke_01 (Capability t, unsigned d)
msg.data[1] = 0;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[0] = 0;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[0] = CAPABILITY_NONE;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
invoke (t, &msg);
}
@ -293,10 +293,10 @@ static void invoke_02 (Capability t, unsigned d0, unsigned d1)
msg.data[1] = d1;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[0] = 0;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[0] = CAPABILITY_NONE;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
invoke (t, &msg);
}
@ -307,10 +307,10 @@ static void invoke_03 (Capability t, unsigned d0, unsigned d1, unsigned d2)
msg.data[1] = d1;
msg.data[2] = d2;
msg.data[3] = 0;
msg.cap[0] = 0;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[0] = CAPABILITY_NONE;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
invoke (t, &msg);
}
@ -321,10 +321,10 @@ static void invoke_04 (Capability t, unsigned d0, unsigned d1, unsigned d2, unsi
msg.data[1] = d1;
msg.data[2] = d2;
msg.data[3] = d3;
msg.cap[0] = 0;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[0] = CAPABILITY_NONE;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
invoke (t, &msg);
}
@ -336,9 +336,9 @@ static void invoke_10 (Capability t, Capability c)
msg.data[1] = 0;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
invoke (t, &msg);
}
@ -350,9 +350,9 @@ static void invoke_11 (Capability t, Capability c, unsigned d)
msg.data[1] = 0;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
invoke (t, &msg);
}
@ -364,9 +364,9 @@ static void invoke_12 (Capability t, Capability c, unsigned d0, unsigned d1)
msg.data[1] = d1;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
invoke (t, &msg);
}
@ -378,9 +378,9 @@ static void invoke_13 (Capability t, Capability c, unsigned d0, unsigned d1, uns
msg.data[1] = d1;
msg.data[2] = d2;
msg.data[3] = 0;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
invoke (t, &msg);
}
@ -392,9 +392,9 @@ static void invoke_14 (Capability t, Capability c, unsigned d0, unsigned d1, uns
msg.data[1] = d1;
msg.data[2] = d2;
msg.data[3] = d3;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
invoke (t, &msg);
}
@ -407,8 +407,8 @@ static void invoke_20 (Capability t, Capability c0, Capability c1)
msg.data[1] = 0;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
invoke (t, &msg);
}
@ -421,8 +421,8 @@ static void invoke_21 (Capability t, Capability c0, Capability c1, unsigned d)
msg.data[1] = 0;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
invoke (t, &msg);
}
@ -436,7 +436,7 @@ static void invoke_31 (Capability t, Capability c0, Capability c1, Capability c2
msg.data[1] = 0;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[3] = 0;
msg.cap[3] = CAPABILITY_NONE;
invoke (t, &msg);
}
@ -462,9 +462,9 @@ static void call_00 (Capability c)
msg.data[1] = 0;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
call (__my_call, &msg, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE);
}
@ -476,9 +476,9 @@ static unsigned call_n00 (Capability c)
msg.data[1] = 0;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
call (__my_call, &msg, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE);
return msg.data[0];
}
@ -491,9 +491,9 @@ static void call_c00 (Capability c, Capability target)
msg.data[1] = 0;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
call (__my_call, &msg, target, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE);
}
@ -505,9 +505,9 @@ static void call_c01 (Capability c, Capability target, unsigned d)
msg.data[1] = 0;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
call (__my_call, &msg, target, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE);
}
@ -519,9 +519,9 @@ static unsigned long long call_l01 (Capability c, unsigned d)
msg.data[1] = 0;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
call (__my_call, &msg, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE);
return (unsigned long long)msg.data[0] | ((unsigned long long)msg.data[1] << 32);
}
@ -534,9 +534,9 @@ static void call_c02 (Capability c, Capability target, unsigned d0, unsigned d1)
msg.data[1] = d1;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
call (__my_call, &msg, target, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE);
}
@ -548,9 +548,9 @@ static unsigned long long call_l02 (Capability c, unsigned d0, unsigned d1)
msg.data[1] = d1;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
call (__my_call, &msg, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE);
return (unsigned long long)msg.data[0] | ((unsigned long long)msg.data[1] << 32);
}
@ -563,9 +563,9 @@ static void call_c03 (Capability c, Capability target, unsigned d0, unsigned d1,
msg.data[1] = d1;
msg.data[2] = d2;
msg.data[3] = 0;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
call (__my_call, &msg, target, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE);
}
@ -577,9 +577,9 @@ static unsigned long long call_l04 (Capability c, unsigned d0, unsigned d1, unsi
msg.data[1] = d1;
msg.data[2] = d2;
msg.data[3] = d3;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
call (__my_call, &msg, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE);
return (unsigned long long)msg.data[0] | ((unsigned long long)msg.data[1] << 32);
}
@ -593,8 +593,8 @@ static void call_c12 (Capability c, Capability target, Capability c1, unsigned d
msg.data[1] = d1;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
call (__my_call, &msg, target, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE);
}
@ -607,8 +607,8 @@ static void call_c13 (Capability c, Capability target, Capability c1, unsigned d
msg.data[1] = d1;
msg.data[2] = d2;
msg.data[3] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
call (__my_call, &msg, target, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE);
}
@ -620,9 +620,9 @@ static unsigned call_n01 (Capability c, unsigned d)
msg.data[1] = 0;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
call (__my_call, &msg, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE);
return msg.data[0];
}
@ -636,8 +636,8 @@ static unsigned call_n11 (Capability c, Capability c1, unsigned d)
msg.data[1] = 0;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
call (__my_call, &msg, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE);
return msg.data[0];
}
@ -651,8 +651,8 @@ static unsigned call_n12 (Capability c, Capability c1, unsigned d0, unsigned d1)
msg.data[1] = d1;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
call (__my_call, &msg, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE);
return msg.data[0];
}
@ -666,8 +666,8 @@ static unsigned call_n14 (Capability c, Capability c1, unsigned d0, unsigned d1,
msg.data[1] = d1;
msg.data[2] = d2;
msg.data[3] = d3;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
call (__my_call, &msg, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE);
return msg.data[0];
}
@ -680,9 +680,9 @@ static unsigned call_n02 (Capability c, unsigned d0, unsigned d1)
msg.data[1] = d1;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
call (__my_call, &msg, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE);
return msg.data[0];
}
@ -695,9 +695,9 @@ static Capability call_p02 (Capability c, unsigned d0, unsigned d1, unsigned *ba
msg.data[1] = d1;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
call (__my_call, &msg, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE);
*base_return = msg.data[0];
return msg.cap[0];
@ -711,9 +711,9 @@ static unsigned call_n03 (Capability c, unsigned d0, unsigned d1, unsigned d2)
msg.data[1] = d1;
msg.data[2] = d2;
msg.data[3] = 0;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
call (__my_call, &msg, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE);
return msg.data[0];
}
@ -727,9 +727,9 @@ static unsigned call_n04 (Capability c, unsigned d0, unsigned d1, unsigned d2, u
msg.data[2] = d2;
msg.data[3] = d3;
msg.data[3] = 0;
msg.cap[1] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[1] = CAPABILITY_NONE;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
call (__my_call, &msg, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE);
return msg.data[0];
}
@ -743,8 +743,8 @@ static void call_c11 (Capability target, Capability c, Capability c1, unsigned d
msg.data[1] = 0;
msg.data[2] = 0;
msg.data[3] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
call (__my_call, &msg, target, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE);
}
@ -757,8 +757,8 @@ static unsigned call_n13 (Capability c, Capability c1, unsigned d0, unsigned d1,
msg.data[1] = d1;
msg.data[2] = d2;
msg.data[3] = 0;
msg.cap[2] = 0;
msg.cap[3] = 0;
msg.cap[2] = CAPABILITY_NONE;
msg.cap[3] = CAPABILITY_NONE;
call (__my_call, &msg, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE, CAPABILITY_NONE);
return msg.data[0];
}
@ -879,7 +879,7 @@ static void receiver_create_async_call_capability (Capability target, Capability
return call_c02 (receiver, target, CAP_RECEIVER_CREATE_CALL_CAPABILITY, 1);
}
static void memory_create (Capability target, Capability memory, unsigned type)
static void memory_create (Capability memory, Capability target, unsigned type)
{
return call_c02 (memory, target, CAP_MEMORY_CREATE, type);
}
@ -998,7 +998,7 @@ static void caps_set (Capability caps, Capability cap, unsigned index)
invoke_12 (caps, cap, CAP_CAPS_SET, index);
}
#if 0
#if 1
/* Use a define instead of an inline function, because this is better visible in disassembly, even when not optimizing. */
#define kdebug_char(c) do { unsigned d = (c); __asm__ volatile ("move $a0, $zero\nlw $a1, %0\nbreak" :: "m"(d) : "a0", "a1", "memory"); } while (0)
#else

2
mips/Makefile.arch
View File

@ -17,7 +17,7 @@
load = 0x80000000
ARCH_CXXFLAGS = -DNUM_THREADS=2
ARCH_CXXFLAGS = -DNUM_THREADS=3
ARCH_CPPFLAGS = -Imips -Wa,-mips32
CROSS = mipsel-linux-gnu-
OBJDUMP = $(CROSS)objdump

38
mips/interrupts.ccp
View File

@ -137,24 +137,26 @@ static void arch_invoke ():
c3 = old_current->find_capability (old_current->arch.t7, &dummy)
old_current->wait (c0, c1, c2, c3)
if !target:
if (old_current->arch.v0 & ~CAPABILITY_COPY) != ~CAPABILITY_COPY:
panic (old_current->arch.v0, "debug")
// There must be no action here.
else:
Capability::Context c
c.cap[0] = old_current->find_capability (old_current->arch.a0, &c.copy[0])
c.cap[1] = old_current->find_capability (old_current->arch.a1, &c.copy[1])
c.cap[2] = old_current->find_capability (old_current->arch.a2, &c.copy[2])
c.cap[3] = old_current->find_capability (old_current->arch.a3, &c.copy[3])
c.data[0] = old_current->arch.t0
c.data[1] = old_current->arch.t1
c.data[2] = old_current->arch.t2
c.data[3] = old_current->arch.t3
target->invoke (&c)
if do_schedule && !wait:
// If the call was to schedule without wait, it isn't done yet.
schedule ()
else if old_current != current && (old_current->flags & (THREAD_FLAG_RUNNING | THREAD_FLAG_WAITING)) == THREAD_FLAG_RUNNING:
// If the caller received an immediate reply from the kernel, it is no longer set as current. Don't let it lose its timeslice.
current = old_current
return
Capability::Context c
c.cap[0] = old_current->find_capability (old_current->arch.a0, &c.copy[0])
c.cap[1] = old_current->find_capability (old_current->arch.a1, &c.copy[1])
c.cap[2] = old_current->find_capability (old_current->arch.a2, &c.copy[2])
c.cap[3] = old_current->find_capability (old_current->arch.a3, &c.copy[3])
c.data[0] = old_current->arch.t0
c.data[1] = old_current->arch.t1
c.data[2] = old_current->arch.t2
c.data[3] = old_current->arch.t3
target->invoke (&c)
if do_schedule && !wait:
// If the call was to schedule without wait, it isn't done yet.
schedule ()
else if old_current != current && (old_current->flags & (THREAD_FLAG_RUNNING | THREAD_FLAG_WAITING)) == THREAD_FLAG_RUNNING:
// If the caller received an immediate reply from the kernel, it is no longer set as current. Don't let it lose its timeslice.
current = old_current
/// A general exception has occurred.
Thread *exception ():
@ -211,7 +213,7 @@ Thread *exception ():
break
case 9:
// Breakpoint.
#if 1
#if 0
current->raise (ERR_BREAKPOINT, 0)
#else
current->pc += 4

4
plan
View File

@ -1,4 +1,6 @@
kernel capabilities: 1 per aktie; bevat code in plaats van bitmask. CREATE ipv DEGRADE.
activation address in receiver
message: a0-a3: data; protectedL; protectedH; caps
message: a0-a3: data0; data1; protectedL; protectedH
caps is stored in designated (by receiver) slot
caps zonder size limit?
invoke ipc: try sync; try receiver memory; try caller memory; fail.