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powerpc-ofw-boot
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call-method

This commit is contained in:
aramya 2023-07-01 17:15:06 +01:00
parent 498512fe0d
commit 97f10d22f5
1 changed files with 35 additions and 1 deletions
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36
entry/ofw/tree.c
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@ -246,7 +246,41 @@ int32_t package_to_path(phandle package, void* buf, int32_t buflen)
}
void* call_method(char* method, ihandle instance, ...)
void* call_method(char* method, ihandle instance, int32_t* stack_args, int32_t n_stack_args)
{
struct
{
char* service;
int32_t n_args;
int32_t n_rets;
char* arg1;
ihandle arg2;
int32_t argN[n_stack_args];
int32_t ret1;
int32_t retN[16];
} ofw_arg;
SERVICE("call-method", 12, 2+n_stack_args, 16);
ofw_arg.arg1 = method;
ofw_arg.arg2 = instance;
int i;
for (i = 0; i < n_stack_args; i++)
{
ofw_arg.argN[i] = stack_args[i];
}
ofw(&ofw_arg);
int32_t* addr = claim((int32_t*)0x04000000, 17, 1);
*addr = ofw_arg.ret1;
for (i = 1; i < 17; i++)
{
addr[i] = ofw_arg.retN[i];
}
return addr;
}