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Avoid using pdata for variables in scratch trampoline

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This commit is contained in:
Jeremy Soller 2020-01-29 14:58:52 -07:00
parent 9a7e779999
commit 4f3eaf88f9
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GPG Key ID: E988B49EE78A7FB1
3 changed files with 7 additions and 3 deletions
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4
src/board/system76/darp5/scratch.c
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@ -45,6 +45,8 @@ static void scratch_start(void) __naked {
void scratch_trampoline(void) {
// Uses SCAR0, 1, 2, 3, and 4 which are mapped at 0x0000 in data space and are
// 4096 bytes in size.
//TODO: ensure pdata is not used!
if ((SCAR0H == 0x00) || (SCAR1H == 0x00) || (SCAR2H == 0x00) || (SCAR3H == 0x00) || (SCAR4H == 0x00)) {
// Disable scratch RAM mapping
@ -54,7 +56,7 @@ void scratch_trampoline(void) {
SCAR3H = 0b11;
SCAR4H = 0b11;
} else {
int i;
int __data i;
// Copy scratch ROM
for (i = 0; i < ARRAY_SIZE(scratch_rom) && i < ARRAY_SIZE(scratch_ram); i++) {
scratch_ram[i] = scratch_rom[i];

4
src/board/system76/galp3-c/scratch.c
View File

@ -45,6 +45,8 @@ static void scratch_start(void) __naked {
void scratch_trampoline(void) {
// Uses SCAR0, 1, 2, 3, and 4 which are mapped at 0x0000 in data space and are
// 4096 bytes in size.
//TODO: ensure pdata is not used!
if ((SCAR0H == 0x00) || (SCAR1H == 0x00) || (SCAR2H == 0x00) || (SCAR3H == 0x00) || (SCAR4H == 0x00)) {
// Disable scratch RAM mapping
@ -54,7 +56,7 @@ void scratch_trampoline(void) {
SCAR3H = 0b11;
SCAR4H = 0b11;
} else {
int i;
int __data i;
// Copy scratch ROM
for (i = 0; i < ARRAY_SIZE(scratch_rom) && i < ARRAY_SIZE(scratch_ram); i++) {
scratch_ram[i] = scratch_rom[i];

2
src/board/system76/lemp9/scratch.c
View File

@ -36,7 +36,7 @@ void scratch_trampoline(void) {
// Disable scratch RAM mapping
SCAR0H = 0b11;
} else {
int i;
int __data i;
// Copy scratch ROM
for (i = 0; i < ARRAY_SIZE(scratch_rom) && i < ARRAY_SIZE(scratch_ram); i++) {
scratch_ram[i] = scratch_rom[i];