FreeCalypso > hg > freecalypso-citrine
annotate L1/cfile/l1_small_asm.S @ 46:38cf7fa65976
sprintf/float.c: rounding corner case bug
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 29 Sep 2017 03:23:01 +0000 |
parents | 75a11d740a02 |
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rev | line source |
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1 /* |
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2 * Assembly code extracted out of TI's l1_small.c |
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3 * |
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4 * This code is correct ONLY for CHIPSET 10 or 11 as currently used |
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5 * by FreeCalypso; see TI's original code for what changes would be |
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6 * needed to support other CHIPSETs. |
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7 */ |
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8 |
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9 .text |
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10 .code 32 |
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11 |
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12 /*-------------------------------------------------------*/ |
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13 /* _GSM_Small_Sleep */ |
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14 /* (formerly INT_Small_Sleep) */ |
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15 /*-------------------------------------------------------*/ |
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16 /* */ |
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17 /* Description: small sleep */ |
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18 /* ------------ */ |
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19 /* Called by TCT_Schedule main loop of Nucleus */ |
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20 /*-------------------------------------------------------*/ |
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21 |
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22 #define SMALL_SLEEP 0x01 |
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23 #define ALL_SLEEP 0x04 |
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24 #define PWR_MNGT 0x01 |
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25 |
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26 .globl _GSM_Small_Sleep |
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27 _GSM_Small_Sleep: |
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28 |
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29 ldr r0,Switch |
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30 ldr r0,[r0] |
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31 ldrb r1,[r0] |
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32 cmp r1,#PWR_MNGT |
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33 bne TCT_Schedule_Loop |
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34 |
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35 ldr r0,Mode |
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36 ldr r0,[r0] |
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37 ldrb r1,[r0] |
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38 cmp r1,#SMALL_SLEEP |
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39 beq Small_sleep_ok |
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40 cmp r1,#ALL_SLEEP |
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41 bne TCT_Schedule_Loop |
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42 |
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43 Small_sleep_ok: |
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44 |
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45 // ***************************************************** |
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46 //reset the DEEP_SLEEP bit 12 of CNTL_ARM_CLK register |
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47 // (Cf BUG_1278) |
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48 |
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49 ldr r0,addrCLKM @ pick up CNTL_ARM_CLK register address |
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50 ldrh r1,[r0] @ take the current value of the register |
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51 orr r1,r1,#0x1000 @ reset the bit |
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52 strh r1,[r0] @ store the result |
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53 |
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54 ldr r0,addrCLKM @ pick up CLKM clock register address |
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55 ldrh r1,[r0] @ take the current value of the register |
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56 bic r1,r1,#1 @ disable ARM clock |
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57 strh r1,[r0] |
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58 |
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59 B TCT_Schedule_Loop @ Return to TCT_Schedule main loop |
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60 |
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61 addrCLKM: .word 0xfffffd00 @ CLKM clock register address |
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62 |
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63 Mode: .word mode_authorized |
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64 Switch: .word switch_PWR_MNGT |