target/arm/arm-semi: Factor out implementation of SYS_FLEN
Factor out the implementation of SYS_FLEN via the new function tables. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20190916141544.17540-13-peter.maydell@linaro.org
This commit is contained in:
parent
45e88ffc76
commit
1631a7be3a
|
@ -391,6 +391,7 @@ typedef uint32_t sys_readfn(ARMCPU *cpu, GuestFD *gf,
|
||||||
typedef uint32_t sys_isattyfn(ARMCPU *cpu, GuestFD *gf);
|
typedef uint32_t sys_isattyfn(ARMCPU *cpu, GuestFD *gf);
|
||||||
typedef uint32_t sys_seekfn(ARMCPU *cpu, GuestFD *gf,
|
typedef uint32_t sys_seekfn(ARMCPU *cpu, GuestFD *gf,
|
||||||
target_ulong offset);
|
target_ulong offset);
|
||||||
|
typedef uint32_t sys_flenfn(ARMCPU *cpu, GuestFD *gf);
|
||||||
|
|
||||||
static uint32_t host_closefn(ARMCPU *cpu, GuestFD *gf)
|
static uint32_t host_closefn(ARMCPU *cpu, GuestFD *gf)
|
||||||
{
|
{
|
||||||
|
@ -454,6 +455,17 @@ static uint32_t host_seekfn(ARMCPU *cpu, GuestFD *gf, target_ulong offset)
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static uint32_t host_flenfn(ARMCPU *cpu, GuestFD *gf)
|
||||||
|
{
|
||||||
|
CPUARMState *env = &cpu->env;
|
||||||
|
struct stat buf;
|
||||||
|
uint32_t ret = set_swi_errno(env, fstat(gf->hostfd, &buf));
|
||||||
|
if (ret == (uint32_t)-1) {
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
return buf.st_size;
|
||||||
|
}
|
||||||
|
|
||||||
static uint32_t gdb_closefn(ARMCPU *cpu, GuestFD *gf)
|
static uint32_t gdb_closefn(ARMCPU *cpu, GuestFD *gf)
|
||||||
{
|
{
|
||||||
return arm_gdb_syscall(cpu, arm_semi_cb, "close,%x", gf->hostfd);
|
return arm_gdb_syscall(cpu, arm_semi_cb, "close,%x", gf->hostfd);
|
||||||
|
@ -486,12 +498,19 @@ static uint32_t gdb_seekfn(ARMCPU *cpu, GuestFD *gf, target_ulong offset)
|
||||||
gf->hostfd, offset);
|
gf->hostfd, offset);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static uint32_t gdb_flenfn(ARMCPU *cpu, GuestFD *gf)
|
||||||
|
{
|
||||||
|
return arm_gdb_syscall(cpu, arm_semi_flen_cb, "fstat,%x,%x",
|
||||||
|
gf->hostfd, arm_flen_buf(cpu));
|
||||||
|
}
|
||||||
|
|
||||||
typedef struct GuestFDFunctions {
|
typedef struct GuestFDFunctions {
|
||||||
sys_closefn *closefn;
|
sys_closefn *closefn;
|
||||||
sys_writefn *writefn;
|
sys_writefn *writefn;
|
||||||
sys_readfn *readfn;
|
sys_readfn *readfn;
|
||||||
sys_isattyfn *isattyfn;
|
sys_isattyfn *isattyfn;
|
||||||
sys_seekfn *seekfn;
|
sys_seekfn *seekfn;
|
||||||
|
sys_flenfn *flenfn;
|
||||||
} GuestFDFunctions;
|
} GuestFDFunctions;
|
||||||
|
|
||||||
static const GuestFDFunctions guestfd_fns[] = {
|
static const GuestFDFunctions guestfd_fns[] = {
|
||||||
|
@ -501,6 +520,7 @@ static const GuestFDFunctions guestfd_fns[] = {
|
||||||
.readfn = host_readfn,
|
.readfn = host_readfn,
|
||||||
.isattyfn = host_isattyfn,
|
.isattyfn = host_isattyfn,
|
||||||
.seekfn = host_seekfn,
|
.seekfn = host_seekfn,
|
||||||
|
.flenfn = host_flenfn,
|
||||||
},
|
},
|
||||||
[GuestFDGDB] = {
|
[GuestFDGDB] = {
|
||||||
.closefn = gdb_closefn,
|
.closefn = gdb_closefn,
|
||||||
|
@ -508,6 +528,7 @@ static const GuestFDFunctions guestfd_fns[] = {
|
||||||
.readfn = gdb_readfn,
|
.readfn = gdb_readfn,
|
||||||
.isattyfn = gdb_isattyfn,
|
.isattyfn = gdb_isattyfn,
|
||||||
.seekfn = gdb_seekfn,
|
.seekfn = gdb_seekfn,
|
||||||
|
.flenfn = gdb_flenfn,
|
||||||
},
|
},
|
||||||
};
|
};
|
||||||
|
|
||||||
|
@ -687,16 +708,7 @@ target_ulong do_arm_semihosting(CPUARMState *env)
|
||||||
return set_swi_errno(env, -1);
|
return set_swi_errno(env, -1);
|
||||||
}
|
}
|
||||||
|
|
||||||
if (use_gdb_syscalls()) {
|
return guestfd_fns[gf->type].flenfn(cpu, gf);
|
||||||
return arm_gdb_syscall(cpu, arm_semi_flen_cb, "fstat,%x,%x",
|
|
||||||
gf->hostfd, arm_flen_buf(cpu));
|
|
||||||
} else {
|
|
||||||
struct stat buf;
|
|
||||||
ret = set_swi_errno(env, fstat(gf->hostfd, &buf));
|
|
||||||
if (ret == (uint32_t)-1)
|
|
||||||
return -1;
|
|
||||||
return buf.st_size;
|
|
||||||
}
|
|
||||||
case TARGET_SYS_TMPNAM:
|
case TARGET_SYS_TMPNAM:
|
||||||
qemu_log_mask(LOG_UNIMP, "%s: SYS_TMPNAM not implemented", __func__);
|
qemu_log_mask(LOG_UNIMP, "%s: SYS_TMPNAM not implemented", __func__);
|
||||||
return -1;
|
return -1;
|
||||||
|
|
Loading…
Reference in a new issue