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little endian fixes, note that trampolines are still not 64-bit clean either

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This commit is contained in:
gbeauche 2003-09-29 22:50:31 +00:00
parent 663b536257
commit 19053d4992
1 changed files with 19 additions and 15 deletions
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34
SheepShaver/src/kpx_cpu/sheepshaver_glue.cpp
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@ -273,13 +273,13 @@ void sheepshaver_cpu::interrupt(uint32 entry)
gpr(1) = SheepStack1Base - 64;
// Build trampoline to return from interrupt
uint32 trampoline[] = { POWERPC_EMUL_OP | 1 };
uint32 trampoline[] = { htonl(POWERPC_EMUL_OP | 1) };
// Prepare registers for nanokernel interrupt routine
kernel_data->v[0x004 >> 2] = gpr(1);
kernel_data->v[0x018 >> 2] = gpr(6);
kernel_data->v[0x004 >> 2] = htonl(gpr(1));
kernel_data->v[0x018 >> 2] = htonl(gpr(6));
gpr(6) = kernel_data->v[0x65c >> 2];
gpr(6) = ntohl(kernel_data->v[0x65c >> 2]);
assert(gpr(6) != 0);
WriteMacInt32(gpr(6) + 0x13c, gpr(7));
WriteMacInt32(gpr(6) + 0x144, gpr(8));
@ -290,7 +290,7 @@ void sheepshaver_cpu::interrupt(uint32 entry)
WriteMacInt32(gpr(6) + 0x16c, gpr(13));
gpr(1) = KernelDataAddr;
gpr(7) = kernel_data->v[0x660 >> 2];
gpr(7) = ntohl(kernel_data->v[0x660 >> 2]);
gpr(8) = 0;
gpr(10) = (uint32)trampoline;
gpr(12) = (uint32)trampoline;
@ -335,7 +335,8 @@ void sheepshaver_cpu::execute_68k(uint32 entry, M68kRegisters *r)
WriteMacInt32(gpr(1), sp);
// Save PowerPC registers
memcpy(Mac2HostAddr(gpr(1)+56), &gpr(13), sizeof(uint32)*(32-13));
for (int i = 13; i < 32; i++)
WriteMacInt32(gpr(1) + 56 + i*4, gpr(i));
#if SAVE_FP_EXEC_68K
memcpy(Mac2HostAddr(gpr(1)+56+19*4), &fpr(14), sizeof(double)*(32-14));
#endif
@ -351,8 +352,8 @@ void sheepshaver_cpu::execute_68k(uint32 entry, M68kRegisters *r)
gpr(25) = ReadMacInt32(XLM_68K_R25); // MSB of SR
gpr(26) = 0;
gpr(28) = 0; // VBR
gpr(29) = kernel_data->ed.v[0x74 >> 2]; // Pointer to opcode table
gpr(30) = kernel_data->ed.v[0x78 >> 2]; // Address of emulator
gpr(29) = ntohl(kernel_data->ed.v[0x74 >> 2]); // Pointer to opcode table
gpr(30) = ntohl(kernel_data->ed.v[0x78 >> 2]); // Address of emulator
gpr(31) = KernelDataAddr + 0x1000;
// Push return address (points to EXEC_RETURN opcode) on stack
@ -384,7 +385,8 @@ void sheepshaver_cpu::execute_68k(uint32 entry, M68kRegisters *r)
r->a[i] = gpr(16 + i);
// Restore PowerPC registers
memcpy(&gpr(13), Mac2HostAddr(gpr(1)+56), sizeof(uint32)*(32-13));
for (int i = 13; i < 32; i++)
gpr(i) = ReadMacInt32(gpr(1) + 56 + i*4);
#if SAVE_FP_EXEC_68K
memcpy(&fpr(14), Mac2HostAddr(gpr(1)+56+19*4), sizeof(double)*(32-14));
#endif
@ -407,7 +409,7 @@ uint32 sheepshaver_cpu::execute_macos_code(uint32 tvect, int nargs, uint32 const
uint32 saved_ctr= ctr();
// Build trampoline with EXEC_RETURN
uint32 trampoline[] = { POWERPC_EMUL_OP | 1 };
uint32 trampoline[] = { htonl(POWERPC_EMUL_OP | 1) };
lr() = (uint32)trampoline;
gpr(1) -= 64; // Create stack frame
@ -449,7 +451,7 @@ inline void sheepshaver_cpu::execute_ppc(uint32 entry)
uint32 saved_lr = lr();
uint32 saved_ctr= ctr();
const uint32 trampoline[] = { POWERPC_EMUL_OP | 1 };
const uint32 trampoline[] = { htonl(POWERPC_EMUL_OP | 1) };
lr() = (uint32)trampoline;
ctr()= entry;
@ -461,7 +463,7 @@ inline void sheepshaver_cpu::execute_ppc(uint32 entry)
}
// Resource Manager thunk
extern "C" void check_load_invoc(uint32 type, int16 id, uint16 **h);
extern "C" void check_load_invoc(uint32 type, int16 id, uint32 h);
inline void sheepshaver_cpu::get_resource(uint32 old_get_resource)
{
@ -473,11 +475,11 @@ inline void sheepshaver_cpu::get_resource(uint32 old_get_resource)
// Call old routine
execute_ppc(old_get_resource);
uint16 **handle = (uint16 **)gpr(3);
// Call CheckLoad()
uint32 handle = gpr(3);
check_load_invoc(type, id, handle);
gpr(3) = (uint32)handle;
gpr(3) = handle;
// Cleanup stack
gpr(1) += 56;
@ -829,7 +831,9 @@ void Execute68k(uint32 pc, M68kRegisters *r)
void Execute68kTrap(uint16 trap, M68kRegisters *r)
{
uint16 proc[2] = {trap, M68K_RTS};
uint16 proc[2];
proc[0] = htons(trap);
proc[1] = htons(M68K_RTS);
Execute68k((uint32)proc, r);
}